Heads up! Small hail spotted in these regions: Kingsport, TN • Johnson City, TN • Huntsville, AL • Gadsden, AL • Colorado Springs, CO • Denver, COATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Grand Junction, CO • Fayetteville, NC • Durham, NC • Raleigh, NC • Saint Louis, MO • Rawlins, WY • Champaign, IL • Mattoon, IL • Sebring, FL • North Port, FL • Fort Myers, FL • Tampa, FL • Hickory, NC • Charlotte, NC • Owensboro, KY • Knoxville, TN • Evansville, IN • Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UTHeads up! Small hail spotted in these regions: Kingsport, TN • Johnson City, TN • Huntsville, AL • Gadsden, AL • Colorado Springs, CO • Denver, COATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Grand Junction, CO • Fayetteville, NC • Durham, NC • Raleigh, NC • Saint Louis, MO • Rawlins, WY • Champaign, IL • Mattoon, IL • Sebring, FL • North Port, FL • Fort Myers, FL • Tampa, FL • Hickory, NC • Charlotte, NC • Owensboro, KY • Knoxville, TN • Evansville, IN • Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UT
Hi folks! Stay ahead of the storm with a 48-hour severe weather outlook, precise hail alerts, and live hail tracking. Access hail insights, historical hail maps, and detailed reports across 300+ regions for better planning and fewer "uh-oh" moments. Stay informed, stay safe, and stay protected - all completely free. Hi folks! Stay ahead of the storm with a 48-hour severe weather outlook, precise hail alerts, and live hail tracking. Access hail insights, historical hail maps, and detailed reports across 300+ regions for better planning and fewer "uh-oh" moments. Stay informed, stay safe, and stay protected - all completely free.
NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA
Hail, Wind & Tornado Reports in Fond du Lac County, WI
Public hail, wind, and tornado reports across Fond du Lac County, WI from June 20, 1956 through September 4, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.
Example: 53014 — search hail, wind and tornado public reports for any U.S. ZIP code
Hail Reports
110
Wind Reports
249
Tornado Reports
59
Max Hail Size
3.25″
Source NOAA SPC · NWS Local Storm ReportsCoverage Fond du Lac County, WI · 1956–presentUpdated Daily · last Sep 4, 2026
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3 SE Fond Du Lac, WI
1.50″hail
Jul 1, 2026 5:30 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: 4 miles ESE of Fond du Lac. Time est from radar.
NWS Hail Report Location: 4 NNW Eden, WI
1.25″hail
Jul 1, 2026 5:30 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Half Dollar (1.25 in.).
NWS Hail Report Location: 4 W Eden, WI
3.25″hail
Jul 1, 2026 5:28 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Approx 1 mile SSW of the intersection of I-41 and US HWY 151.
NWS Hail Report Location: 4 S Fond Du Lac, WI
1.00″hail
Jul 1, 2026 5:26 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.).
NWS Hail Report Location: 2 S Fond Du Lac, WI
3.00″hail
Jul 1, 2026 5:25 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Picture from social media that included a ruler. Time est from radar.
NWS Hail Report Location: 3 SE Fond Du Lac, WI
2.50″hail
Jul 1, 2026 5:25 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Size est from social media pics sent to local media shared by County EM. Time est from radar.
NWS Hail Report Location: 4 SE Fond Du Lac, WI
2.00″hail
Jul 1, 2026 5:25 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Size est from social media pics sent to local media shared by County EM. Time est from radar.
NWS Hail Report Location: 3 NW Eden, WI
1.75″hail
Jul 1, 2026 5:24 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Corner of Rolling Meadows and Hickory.
NWS Hail Report Location: 3 SSW Fond Du Lac, WI
1.00″hail
Jul 1, 2026 5:23 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.).
NWS Hail Report Location: 4 W Eden, WI
1.00″hail
Jul 1, 2026 5:23 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.).
NWS Hail Report Location: 3 E Lamartine, WI
2.00″hail
Jul 1, 2026 5:20 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Picture shared by local media. Time est from radar.
NWS Hail Report Location: 2 SSW Fond Du Lac, WI
2.00″hail
Jul 1, 2026 5:15 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: From social media picture. Time est from radar.
NWS Hail Report Location: 2 ENE Lamartine, WI
1.25″hail
Jul 1, 2026 5:10 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Half Dollar (1.25 in.).
NWS Hail Report Location: 4 S Rosendale, WI
2.50″hail
Jul 1, 2026 5:00 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Size est from social media pics sent to local media shared by County EM. Time est from radar.
NWS Hail Report Location: 4 S Rosendale, WI
1.00″hail
Jul 1, 2026 5:00 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.).
NWS Hail Report Location: 4 S Rosendale, WI
1.50″hail
Jul 1, 2026 4:50 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Size est from social media pics sent to local media shared by County EM. Time est from radar.
NWS Hail Report Location: Brandon, WI
1.00″hail
Jun 16, 2026 7:00 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Quarter sized hail at Camp Long Lake.
NWS Hail Report Location: 3 NNE Dundee, WI
1.00″hail
Apr 15, 2026 12:02 AM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.).
NWS Hail Report Location: Ripon, WI
1.25″hail
May 15, 2025 11:22 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Report from mPING: Half Dollar (1.25 in.).
NWS Hail Report Location: 1 N Campbellsport, WI
1.75″hail
Sep 7, 2021 3:45 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Fond Du Lac, WI
1.00″hail
Sep 7, 2021 3:42 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2 SSE Fond Du Lac, WI
1.50″hail
Sep 7, 2021 3:39 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: SPOTTER REPORTED PING PONG BALL SIZE HAIL NEAR THE INTERSECTION OF.
NWS Hail Report Location: 3 S Fond Du Lac, WI
3.00″hail
Sep 7, 2021 3:10 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: IMAGE SHARED WITH US ON SOCIAL MEDIA.
NWS Hail Report Location: 2 NNE North Fond Du Lac, WI
2.00″hail
Sep 7, 2021 2:43 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: REPORTS OF 3/4 INCH UP TO 2 INCH HAIL.
NWS Hail Report Location: Ripon, WI
1.00″hail
Aug 8, 2019 1:30 AM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 NNW Ripon, WI
1.00″hail
Aug 16, 2018 7:30 PM UTC
Hail report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6 ESE Brandon, WI
Showing 15 of 30
Hail Damage Risk for Your Home+
Hail reports describe hail by diameter, often comparing stone size to familiar objects like peas, quarters, golf balls, and softballs. Use this guide as a starting point for possible hail damage to your roof, siding, gutters, vents, windows, and exterior. Actual hail damage depends on hail hardness, density, wind speed, impact angle, roof age, shingle condition, roof pitch, roofing material, installation quality, and prior storm damage.
Pea
0.25″
Low
Usually too small to cause hail damage to most sound asphalt roofs, siding, or gutters.
Mothball
0.50″
Sub-Severe Watch
Below the NWS severe-hail threshold, but not always harmless. Repeated small hail can scuff surfaces, wear aging shingles, and loosen protective granules over time.
Penny
0.75″
Minor / Watch
Below the NWS severe-hail threshold, but roof hail damage is still possible on older, brittle, poorly installed, or previously damaged shingles. May also mark screens, vents, gutters, and soft metal.
Nickel
0.88″
Minor / Watch
Still below the severe-hail threshold, but large enough to leave visible marks on soft metal and add wear to older or hail-weakened roof shingles.
Quarter
1.00″
Watch
The NWS severe-hail threshold. Quarter-size hail can bruise shingles, dent soft metal, and create roof hail damage worth checking.
Half Dollar
1.25″
Watch
More likely to dent gutters, vents, flashing, and siding. Hail damage risk rises quickly on older roofs or hail-weakened shingles.
Ping Pong / Walnut
1.50″
Likely
Hail damage becomes more likely, including bruised shingles, granule loss, dented siding, and damaged roof vents.
Golf Ball
1.75″
Likely
Often causes roof hail damage, cracked shingles, dented gutters, damaged flashing, and siding impacts. A roof inspection is recommended.
Hen Egg
2.00″
Serious
Can crack or puncture shingles, expose mat, dent siding, and cause widespread hail damage across the roof and exterior.
Tennis Ball
2.50″
Serious
Can cause heavy roof hail damage, punctured siding, broken skylights, damaged vents, and widespread exterior damage.
Baseball
2.75″
Major
Major hail damage is likely, including severe roof impacts, damaged siding, broken windows, and possible major roof repairs.
Tea Cup / Large Apple
3.00″
Major
Can cause heavy hail damage across the roof, siding, gutters, windows, and exterior. Significant repairs are often needed.
Softball
4.00″
Extreme
Destructive hail damage. Can severely damage roofing materials, siding, windows, gutters, vents, vehicles, and exterior surfaces.
Grapefruit
4.50″
Extreme
Catastrophic hail damage risk for roofs, windows, vehicles, siding, gutters, and exterior surfaces.
Source: NOAA / National Weather Service hail size references are used for hail-size comparisons and the 1.00″ severe-hail threshold. Damage descriptions are general homeowner guidance, not official NOAA/NWS damage ratings. Sub-severe hail under 1.00″ is below the severe threshold, but that does not mean “no roof damage.” Penny- to nickel-size hail can still contribute to granule loss, cosmetic surface marks, and added wear, especially on older, brittle, poorly installed, or previously damaged roofs.
Wind Report Description: Report of roof blown off of trailer. Time estimated from radar and surrounding reports.
NWS Wind Report Location: 2 S Fond Du Lac, WI
58mph
Sep 4, 2026 5:53 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Personal Wx Station measurement.
NWS Wind Report Location: 1 Ne Fond Du Lac, WI
52mph
Sep 4, 2026 5:51 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: REPORTED AT KFLD.
NWS Wind Report Location: 2 Wsw Fond Du Lac, WI
68mph
Sep 2, 2026 7:27 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Personal Wx Station Report.
NWS Wind Report Location: 1 Sw Ripon, WI
UNKmph
Aug 18, 2026 9:46 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Tree down across both lanes of Golf Course Road_ reported by Fond du Lac Police. Time estimated by radar.
NWS Wind Report Location: 1 Ese Taycheedah, WI
UNKmph
Jul 27, 2026 5:52 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Delayed Report: Numerous large branches and a tree down on property. Time estimated based on radar.
NWS Wind Report Location: St. Peter, WI
UNKmph
Jul 27, 2026 5:50 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Delayed Report - EM report of power line down. Time estimated from radar.
NWS Wind Report Location: 1 W St. Peter, WI
UNKmph
Jun 24, 2026 11:10 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Large tree branch down near intersection of Elm St and West St. Time est from radar.
NWS Wind Report Location: Fairwater, WI
UNKmph
Jun 10, 2026 8:10 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Several trees down in Fond du Lac and Brandon.
NWS Wind Report Location: 1 ESE Fond Du Lac, WI
UNKmph
Jun 10, 2026 8:00 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Tree on house. Time est from radar.
NWS Wind Report Location: 1 SSE Ripon, WI
UNKmph
Apr 15, 2026 12:48 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Trained spotter reports broken tree branches and limbs.
NWS Wind Report Location: 3 SW Fond Du Lac, WI
UNKmph
Apr 14, 2026 4:59 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Barn collapsed and occupied with 30-40 cattle.
NWS Wind Report Location: 4 S Rosendale, WI
58mph
Aug 16, 2025 5:05 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: ASOS station KFLD Fond Du Lac Airport.
NWS Wind Report Location: 2 SW Fond Du Lac, WI
UNKmph
Jul 16, 2025 9:00 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Trees down and uprooted. Garbage bins blown 75 yards. Pea size hail. Estimated winds of 60 mph.
NWS Wind Report Location: 3 N North Fond Du Lac, WI
UNKmph
Jun 23, 2025 11:38 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Several trees and limbs down... one uprooted.
NWS Wind Report Location: 2 ENE Lamartine, WI
UNKmph
Jun 23, 2025 11:35 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Several trees and limbs downed between Lamartine and Oakfield.
NWS Wind Report Location: 1 SSE Lamartine, WI
UNKmph
Jun 23, 2025 11:22 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Multiple large branches and some trees down.
NWS Wind Report Location: Brandon, WI
UNKmph
May 15, 2025 10:18 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Corrects previous non-tstm wnd dmg report from Campbellsport. Public report of large tree snapped near the base. Time estimated by radar.
NWS Wind Report Location: Campbellsport, WI
UNKmph
May 15, 2025 10:15 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Corrects previous non-tstm wnd dmg report from 3 W Campbellsport. Public report of multiple trees and branches down outside Campbellsport. Time estimated from radar.
NWS Wind Report Location: 3 W Campbellsport, WI
68mph
Jul 14, 2024 1:05 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Corrects previous tstm wnd dmg report from 2 WSW Fond Du Lac. 68 mph wind gust at Fond du Lac County Airport.
NWS Wind Report Location: 2 WSW Fond Du Lac, WI
UNKmph
Jul 14, 2024 1:05 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: 68 mph wind gust at Fond du Lac County Airport.
NWS Wind Report Location: 2 WSW Fond Du Lac, WI
UNKmph
Jun 4, 2024 6:45 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Tree and powerline damage.
NWS Wind Report Location: Saint Cloud, WI
UNKmph
Jun 4, 2024 6:15 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Several reports of tree... powerline... and building damage east and south of Eden.
NWS Wind Report Location: 4 ENE Eden, WI
UNKmph
May 23, 2024 1:22 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Multiple trees and power lines down. A few homes with trees down/against them.
NWS Wind Report Location: Ripon, WI
UNKmph
Aug 12, 2023 1:55 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: 50mph winds reported with power outages in Ripon.
NWS Wind Report Location: Ripon, WI
UNKmph
Aug 4, 2023 12:55 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: Public report with time from spotter submitted with online form. Tree branches down as well as power outages. No visual verification available.
NWS Wind Report Location: 2 SSW Dundee, WI
UNKmph
Aug 4, 2023 12:05 AM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: 3 trees and power lines down.
NWS Wind Report Location: Saint Cloud, WI
UNKmph
Aug 3, 2023 11:55 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: 3-inch tree limbs and power poles broken.
NWS Wind Report Location: 5 SW North Fond Du Lac, WI
59mph
Nov 5, 2022 5:32 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: ASSOCIATED WITH FROPA.
NWS Wind Report Location: 2 WSW Fond Du Lac, WI
UNKmph
Sep 25, 2022 10:39 PM UTC
Wind report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Wind Report Description: MULTIPLE TREE LIMBS DOWN. REPORT VIA TWITTER.
NWS Wind Report Location: Campbellsport, WI
Showing 15 of 30
Wind Damage Risk for Your Home+
Storm reports list thunderstorm wind gusts in mph. The NWS marks storms as severe at 58+ mph, but wind damage to your home depends on roof age, shingle condition, installation, exposure, nearby trees, and prior hail or wind damage.
Below Severe
Under 58 mph
Minor
Usually little damage to a sound roof, but loose shingles, flashing, or debris may shift.
Severe
58–74 mph
Watch
Can loosen shingles, lift flashing, break limbs, and damage gutters, siding, fences, or trim.
Damaging
75–90 mph
Serious
Can peel shingles, damage vents, tear siding, rip gutters, and expose weak roof areas.
Extreme
90+ mph
Major
Can cause major roof covering loss, tree damage, broken windows, and structural damage.
Source: NOAA / National Weather Service storm reports. Gusts may be measured or estimated; actual wind damage varies by roof condition, exposure, and prior hail or wind damage.
Latest NWS Tornado Reports in Fond du Lac County
30 reports
UNKcategory
Jun 10, 2026 8:10 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: National Weather Service Storm Survey confirms a tornado rated EF-0 southeast of Eden. Several trees were damaged... a few uprooted... numerous limbs downed. A barn sustained damage with roofing material deposited downwind a hundred yards. Path width 75 yard... path length 1 miles.
NWS Tornado Report Location: 3 SSE Eden, WI
UNKcategory
Aug 28, 2018 9:30 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE NEAR DUNDEE. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH... AND A PATH LENGTH OF 0.04 MILES.
NWS Tornado Report Location: 1 ENE Dundee, WI
UNKcategory
Aug 28, 2018 9:27 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: DAMAGE SURVEY FROM SOUTHWEST OF MULLET LAKE. ONE BARN DIRECTLY HIT WITH DEBRIS CARRIED DOWNSTREAM THROUGH THE FIELDS. PEAK WIND EST AT 100MPH.
NWS Tornado Report Location: 6 ENE Eden, WI
UNKcategory
Aug 28, 2018 9:22 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE SOUTH OF THE VILLAGE OF EDEN. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 90 MPH... WITH A PATH LENGTH OF 4.48 MILES.
NWS Tornado Report Location: 3 SSE Eden, WI
UNKcategory
Aug 28, 2018 9:16 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE EAST OF SOUTH BYRON. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 90 MPH... WITH A PATH LENGTH OF 3.05 MILES.
NWS Tornado Report Location: 3 E South Byron, WI
UNKcategory
Aug 28, 2018 9:15 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: DEBRIS VISIBLE FROM HWY Y LOOKING EAST OF OAKFIELD.
NWS Tornado Report Location: Oakfield, WI
UNKcategory
Aug 28, 2018 9:11 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE IN SOUTH BYRON. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH... WITH A PATH LENGTH OF 0.15 MILES.
NWS Tornado Report Location: South Byron, WI
UNKcategory
Aug 28, 2018 9:09 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE JUST SOUTH OF SOUTH BYRON. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 100 MPH AND A PATH LENGTH OF 0.92 MILES.
NWS Tornado Report Location: 1 WSW South Byron, WI
UNKcategory
Aug 28, 2018 9:08 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE SOUTH OF OAKFIELD... JUST NORTH OF THE DODGE COUNTY LINE. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH... WITH A PATH LENGTH OF 0.14 MILES.
NWS Tornado Report Location: 3 S Oakfield, WI
UNKcategory
Aug 28, 2018 9:04 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE NORTHEAST OF WAUPUN... OR SOUTHWEST OF OAKFIELD. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 94 MPH... WITH A PATH LENGTH OF 4.54 MILES.
NWS Tornado Report Location: 5 NE Waupun, WI
UNKcategory
Aug 28, 2018 9:00 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: EF0 TORNADO ADDED FOR 8/28 BASED UPON VIDEO AND DAMAGE REPORTS FROM FDL COUNTY SHERIFF.
NWS Tornado Report Location: 4 ESE Brandon, WI
UNKcategory
Aug 28, 2018 8:58 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE BEGINNING NEAR THE TOWN OF ALTO. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 100 MPH... WITH A PATH LENGTH OF 2.02 MILES.
NWS Tornado Report Location: Alto, WI
UNKcategory
Aug 28, 2018 8:58 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: PATH MAY BE EXTENDED FURTHER WEST.
NWS Tornado Report Location: 1 ESE Alto, WI
UNKcategory
Aug 28, 2018 8:58 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: CORRECTS PREVIOUS TORNADO REPORT FROM 4 NNW WAUPUN. PRELIMINARY EF1 RATING. SURVEY STILL ONGOING. START AND END POINTS TBD.
NWS Tornado Report Location: 4 NNW Waupun, WI
UNKcategory
Aug 28, 2018 7:58 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: PRELIMINARY EF1 RATING. SURVEY STILL ONGOING. START AND END POINTS TBD.
NWS Tornado Report Location: 4 NNW Waupun, WI
UNKcategory
Jun 13, 2017 12:16 AM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: STORM SURVEY REVEALED EF-0 WIND DAMAGE WITH PEAK WIND 80 MPH. THERE WERE NUMEROUS EYEWITNESSES OF A WATERSPOUT/TORNADO IN THE KETTLE MORAINE LAKE AREA. TIME ESTIMATED FROM RADAR.
NWS Tornado Report Location: 5 NE Campbellsport, WI
UNKcategory
May 27, 2016 10:35 PM UTC
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: SURVEY TEAM HAS DETERMINED THE TORNADO TO BE AN EF1. BEGIN TIME 5:35 PM ABOUT 1/2 MILE SOUTH OF BRANDON. END TIME 5:52 PM ABOUT 4 MILES NORTH OF BRANDON. TOTAL PATH LENGTH OF 4 1/2 MILES. TORNADO DURATION 17 MINUTES.
NWS Tornado Report Location: Brandon, WI
EF1category
Jun 21, 2011 2:36 PM CST-6
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: This EF1 tornado touched down approximately 2.3 miles of northwest of Fairwater, about 200 feet southeast of the intersection of Watson Road and Searl Road/County Line Road, and traveled nearly parallel to County Line Road for almost a mile to the north-northwest before crossing County Line Road about 2000 feet north of Carter Road into Green Lake County. The average path width was 60 yards, with a maximum path width of 100 yards. The tornado uprooted trees and tore away a wall and part of the roof of a barn. The EF1 rating was determined by using DI 1(SBO) DOD4 EXP toward UB with estimated winds speeds of 95 mph. The exact starting point was 43.66761/-88.86583 and the exact ending point was 43.70275/-88.88517.
NWS Tornado Report Location: 2.27 NW Fairwater, WI
EF1category
Jun 21, 2011 2:21 PM CST-6
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: This EF1 tornado touched down about 4.4 miles west-southwest of the town of Alto in Fond Du Lac County, on Marshview Road, about one-third of a mile north of Lake Maria Road, and tracked about 2.6 miles to the north-northwest before crossing into Green Lake County, about 3.7 miles south-southwest of Fairwater, at County Road S approximately 1/4 mile east of Schure Road. This tornado exhibited three separate damage tracks within the path, suggesting three separate vortices formed and dissipated during the life span of the tornado. The average path width was 75 yards, with a maximum path width of 105 yards. The tornado blew over trees and flattened a pole shed. The EF1 rating was determined by using DI 21(MBS) DOD5 LB to EXP with estimated winds speeds of 105 mph. The exact starting point was 43.77112/-88.88480 and the exact ending point was 43.78370/-88.88558.
NWS Tornado Report Location: 4.37 WSW Alto, WI
F0category
Jul 3, 2006 12:28 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A very brief tornado spun up 0.7 miles west of Alto and tracked a tenth of a mile before dissipating. No damage was reported from this F0 tornado. This tornado was most likely of the landspout variety and the result of vertical stretching of a low-level circulation into the updraft of a towering cumulus cloud that formed on a weak atmospheric boundary that was moving south through Fond du Lac County. No precipitation was observed on the WSR-88D Doppler radar, and only very weak rotation was noted on only one volume scan with a +6 kt/-6 kt speed differential in the 0.5 degree scan.
NWS Tornado Report Location: 1 W Alto, WI
F0category
May 6, 2005 3:29 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A brief, weak tornado was spotted about 3.2 to 3.0 miles northwest of Pipe (Fond du Lac Co.) just inside the county line over Lake Winnebago. There were no reports of damage. This tornado was a continuation of a tornado that spun up over Lake Winnebago about 7.8 miles east-southeast of Oshkosh in Winnebago County at 1324CST and moved to a point 3.7 miles southwest of Brothertown at 1329CST in extreme southwest Calumet County. This tornado was seen by a severe weather spotter from Calumet County. The surface position is and F-scale rating are estimated and based on the spotter's report.
NWS Tornado Report Location: 3 NW Pipe, WI
F1category
Jun 23, 2004 8:10 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A weak F1 tornado (90-100 mph) spun up about 6 miles southwest of Campbellsport in southern Fond du Lac County, at a point ½ mile east of the Dodge County line on Superior Drive. It tracked east-southeast to 4 miles south-southwest of Campbellsport and moved into Washington County where Lake Bernice Dr. intersects with ST. Kilian Dr. Mainly moderate tree and crop damage was noted, but one pole shed was destroyed. Average path width was about 125 yards.
NWS Tornado Report Location: 6 SW Campbellsport, WI
F3category
Jun 23, 2004 7:42 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: This tornado was a continuation of the tornado that moved east from the Lake Maria area of extreme southeastern Green Lake County. It maintained its F3 strength (175-200 mph) and moved east along Marshview Rd, only to merge with the F3 tornado moving east/southeast out of the Markesan area of southeast Green Lake County. The merger took place just east of a dogleg/bend of Oak Grove Rd., about 2.2 miles SSW of Alto. The civil Town of Alto reported that 8 residential homes had major damage. Four farms were affected with a tally of 8 ag-buildings/homes with minor damage, 19 with major damage, and 16 destroyed. Crop damage was severe. Public sector damage (roads/bridges) was about $100K. Average path width was about 275 yards.
NWS Tornado Report Location: 5 SW Alto, WI
F3category
Jun 23, 2004 7:42 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: This tornado was a continuation of the tornado that moved through the southern part of the city of Markesan (Green Lake Co.). It entered Fond du Lac County just south of Lake Maria Road, about 4.7 miles SW of Alto. It moved east-southeast on a line toward Waupun at F3 strength (estimated 175-200 mph), and actually merged with the Lake Maria tornado that moved east out of extreme southeastern Green Lake County. The merger took place just east of a dogleg/bend of Oak Grove Rd., about 2.2 miles SSW of Alto. The civil Town of Alto reported that 19 residential homes had major damage and 1 was destroyed. One business had major damage. Fourteen farms were affected with a tally of 8 ag-buildings/homes with minor damage, 19 with major damage, and 16 destroyed. Crop damage was severe. Public sector damage (roads/bridges) was about $225K. In the city of Waupun (Fond du Lac side), 4 homes had major damage, and roughly 150 had minor roof/siding damage due to severe tree damage. Average path width was about 300 yards.
NWS Tornado Report Location: 5 SW Alto, WI
F0category
Jul 6, 2003 4:43 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: This tornado spun up at a location about 4.1 miles south-southwest of Campbellsport (Fond du Lac Co.) , or about 50 yards north and 1/3 mile east of the intersection of County Highway BB and St. Kilian Dr. It quickly moved east-southeast, and didn't result in an property damage in Fond du Lac County. It proceeded for about two-thirds of a mile into Washington County where it damaged 3 homes.
NWS Tornado Report Location: 4 SSW Campbellsport, WI
F0category
Jun 8, 2003 1:33 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A short-lived, weak tornado was videotaped by a storm chaser east-southeast of the city of Fond du Lac up on the ridge locally known as "The Ledge." This tornado spun up on the east side of Rienzi Cemetery, about one-half mile east of the intersection of County Trunk Highway K and Rienzi Rd., and moved north-northeast to just north of the intersection of County Trunk T and Artesian Rd in the vicinity of Taycheedah Creek. Only minor vegetative damage was noted to trees and grasses.
NWS Tornado Report Location: 5 NNW Eden, WI
F1category
Sep 2, 2002 8:30 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A tornado, rated as F1 with winds of about 78 to 87 knots (90 to 100 mph) damaged three, large, cover-all, dairy barns. Severe damage was noted on the western-most barn. In addition, some trees were uprooted or had limbs ripped off. The three barns were part of Fond du Lac's largest dairy farm. Luckily, only one of the 1400 dairy cows was injured.
NWS Tornado Report Location: 1 N Eden, WI
F0category
Sep 2, 2002 8:06 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A brief tornado spun up just north-northwest of the village of Brandon, as a cluster of severe storms moved east across Fond du Lac County. Law enforcement officials observed some tree damage.
NWS Tornado Report Location: 1 NNW Brandon, WI
F0category
Aug 21, 2002 5:41 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A weak tornado spun up in the rural area north-northwest of Oakfield, just east-southeast of the intersection of Hwy 151 and TC. It moved east-southeast and crossed Hwy Y before dissipating. A few trees were uprooted and some grasses were flattened. Wind speeds, based on damage to vegetation, was estimated about 52 to 61 kts (60 to 70 mph). Amateur Radio operators who observed this weak tornado noted that one had to be within 100 yards of the vortex in order to see it due to rain-wrapping and haze.
NWS Tornado Report Location: 1 S Lamartine, WI
F0category
Jun 1, 2000 5:15 PM CST
Tornado report for Fond du Lac County, WI
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: 1 SE Oak Center, WI
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Tornado Damage Risk for Your Home+
After a tornado, the National Weather Service assigns an EF rating from EF0 to EF5 based on surveyed damage. The rating estimates wind speed from what the tornado damaged, so actual damage can vary by construction quality, roof age, garage doors, windows, trees, debris, and how close the home was to the tornado path.
EF0
65–85 mph
Light
Can peel shingles, damage gutters or siding, break tree limbs, and toss loose outdoor items.
EF1
86–110 mph
Moderate
Can strip roof covering, damage exterior doors, break windows, snap trees, and cause heavier siding or gutter damage.
EF2
111–135 mph
Serious
Can tear off large sections of roofing, break or uproot trees, destroy weaker structures, and cause major exterior damage.
EF3–EF5
136+ mph
Severe
Can remove roofs and walls, destroy large portions of homes, toss vehicles, and cause severe to total destruction near the path.
Source: NOAA / National Weather Service. EF ratings are assigned after a post-storm damage survey and are based on observed damage, not a direct measurement at every home.
NWS Hail, Wind and Tornado Reports in Fond du Lac County on the Interactive Map
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This snapshot is for local area context only and describes the selected state, county, city, or ZIP area — not a specific home or property. For ZIP-level estimated hail impact, use Free Hail Maps to generate a hail report with key impact details for that ZIP.
Top ZIP Codes with NWS Storm Reports in Fond du Lac County
Not sure if hail may have affected your home in Fond du Lac County? Ask a local pro for a Remote Hail Inspection. They can review hail activity for your property and help you decide whether an in-person roof or exterior inspection makes sense.
How many hail, wind, and tornado reports does Fond du Lac County have on record?
Our records show 110 hail, 249 wind, and 59 tornado reports in Fond du Lac County, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on September 4, 2026.
What is the largest hail ever reported in Fond du Lac County?
The largest hail size in these storm-report records in Fond du Lac County is 3.25″. It was reported near Fond Du Lac, WI on July 1, 2026.
A storm report showed up near my home in Fond du Lac County — does that mean my roof is damaged?
Not necessarily. A storm report only means hail, wind, or a tornado was observed nearby; it does not confirm damage at any specific address, and conditions change from block to block. Check an address-level hail report first, and if it looks significant, find a local pro that serves Fond du Lac County and ask about a Remote Hail Inspection before anyone climbs on the roof.
I am buying a home in Fond du Lac County — why should I look at its storm history?
Recent hail or wind can leave a roof or exterior with damage that is easy to miss during a walkthrough, and a recent roof replacement is sometimes an insurance job after a storm. Reviewing the storm history for a Fond du Lac County address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.
I am selling a home in Fond du Lac County — how does this help me?
Knowing the storm history for your address lets you answer buyer questions with confidence, document repairs you have already made, and decide whether a pre-listing roof check is worthwhile. A clear hail history removes a common sticking point during negotiations.
How do I check hail history for a specific Fond du Lac County address?
Use the address search to pull a free address-level hail report for any property in Fond du Lac County — no phone number or email required. It shows recent hail activity for that address so you know whether a closer roof or exterior review makes sense.
Where does this storm report data come from, and what are its limits?
Storm reports on this page are public reports from storm events across Fond du Lac County, WI, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in Fond du Lac County, but they do not confirm damage at any specific property. Report locations, sizes, and times may be approximate and can vary from what an individual home experienced. For property-specific hail history, use an address-level hail report or contact a participating local professional for a remote hail inspection. Pros inclusion is not an endorsement, and contacting a professional does not confirm damage at any property.
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