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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on August 18, 2026

Public hail, wind, and tornado reports across the United States on August 18, 2026 from August 18, 2026 through August 18, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Pick any date to see hail, wind and tornado public reports for that day — e.g. September 19, 2026.
Hail Reports
39
Wind Reports
248
Tornado Reports
1
Max Hail Size
2.50″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · August 18, 2026 · 2026–present Updated  Daily · last Aug 18, 2026

NWS Hail Reports on August 18, 2026

39 reports
Free hail report for your home →
1.00″ hail
Aug 18, 2026
11:42 PM UTC
Hail report for August 18, 2026
Rush County · 1,592 Homes in County
Hail Report Description: Report of quarter-size hail.
NWS Hail Report Location: 7 Ene Ash Valley, KS
1.00″ hail
Aug 18, 2026
11:38 PM UTC
Hail report for August 18, 2026
Nobles County · 6,599 Homes in County
Hail Report Description: Called and reported both quarter sized hail and wind with damage and downed small tree limbs.
NWS Hail Report Location: Adrian, MN
1.00″ hail
Aug 18, 2026
11:02 PM UTC
Hail report for August 18, 2026
Jackson County · 13,236 Homes in County
Hail Report Description: Viewer report of quarter size hail in the Marianna area.
NWS Hail Report Location: Marianna, FL
0.88″ hail
Aug 18, 2026
10:45 PM UTC
Hail report for August 18, 2026
Menominee County · 10,594 Homes in County
Hail Report Description: From Facebook messages to the office.
NWS Hail Report Location: 2 E Daggett, MI
1.00″ hail
Aug 18, 2026
9:50 PM UTC
Hail report for August 18, 2026
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Spotter report of quarter sized hail in Fond du Lac.
NWS Hail Report Location: 1 Sse Fond Du Lac, WI
1.00″ hail
Aug 18, 2026
9:50 PM UTC
Hail report for August 18, 2026
Fond du Lac County · 32,214 Homes in County
Hail Report Description: Delayed Storm Report. Quarter sized hail.
NWS Hail Report Location: 1 Ne Fond Du Lac, WI
0.75″ hail
Aug 18, 2026
9:26 PM UTC
Hail report for August 18, 2026
Waushara County · 12,466 Homes in County
Hail Report Description: Report from mPING: Dime (0.75 in.).
NWS Hail Report Location: 1 N Silver Lake, WI
0.25″ hail
Aug 18, 2026
8:55 PM UTC
Hail report for August 18, 2026
Cascade County · 26,463 Homes in County
Hail Report Description: Hail up to pea size falling.
NWS Hail Report Location: 7 Sse Ulm, MT
1.00″ hail
Aug 18, 2026
8:24 PM UTC
Hail report for August 18, 2026
La Crosse County · 31,916 Homes in County
Hail Report Description: Report by trained spotter with photo of 1 inch hail. Time estimated by radar.
NWS Hail Report Location: 1 Ne Onalaska, WI
1.25″ hail
Aug 18, 2026
8:23 PM UTC
Hail report for August 18, 2026
La Crosse County · 31,916 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 Wnw Onalaska, WI
1.00″ hail
Aug 18, 2026
8:19 PM UTC
Hail report for August 18, 2026
La Crosse County · 31,916 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2 S Holmen, WI
0.10″ hail
Aug 18, 2026
8:03 PM UTC
Hail report for August 18, 2026
Clay County · 64,109 Homes in County
Hail Report Description: Dime size hail reported near Lakeside Junior High.
NWS Hail Report Location: 2 S Bellair, FL
0.10″ hail
Aug 18, 2026
8:00 PM UTC
Hail report for August 18, 2026
Clay County · 64,109 Homes in County
Hail Report Description: Dime size hail reported at Sonnys BBQ in Orange Park.
NWS Hail Report Location: 1 Sse Bellair, FL
1.00″ hail
Aug 18, 2026
7:59 PM UTC
Hail report for August 18, 2026
Winona County · 14,424 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Saint Charles, MN
0.88″ hail
Aug 18, 2026
7:46 PM UTC
Hail report for August 18, 2026
Marinette County · 23,369 Homes in County
Hail Report Description: Corrects previous hail report from 1 ESE Crivitz. Also_ winds were estimated at 40-50 mph.
NWS Hail Report Location: 1 Ese Crivitz, WI
Showing 15 of 39
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.

NWS Wind Reports on August 18, 2026

248 reports
Free hail report + wind check →
UNK mph
Aug 18, 2026
11:58 PM UTC
Wind report for August 18, 2026
Mobile County · 135,034 Homes in County
Wind Report Description: KMOB ASOS reports thunderstorm wind gusts of 61mph.
NWS Wind Report Location: Mobile Regional Airport, AL
61 mph
Aug 18, 2026
11:58 PM UTC
Wind report for August 18, 2026
Mobile County · 135,034 Homes in County
Wind Report Description: Corrects previous tstm wnd dmg report from Mobile Regional Airport. KMOB ASOS reports thunderstorm wind gusts of 61mph.
NWS Wind Report Location: Mobile Regional Airport, AL
56 mph
Aug 18, 2026
11:56 PM UTC
Wind report for August 18, 2026
Milwaukee County · 192,464 Homes in County
Wind Report Description: AWOS station KMWC Milwaukee Timmerman Airport reports 56 mph winds during thunderstorm.
NWS Wind Report Location: 2 Ene Butler, WI
UNK mph
Aug 18, 2026
11:55 PM UTC
Wind report for August 18, 2026
Milwaukee County · 192,464 Homes in County
Wind Report Description: NWS employee reports 10 inch diameter branches down near Burbank Elementary School. Time estimated by radar.
NWS Wind Report Location: 1 Nw West Milwaukee, WI
53 mph
Aug 18, 2026
11:55 PM UTC
Wind report for August 18, 2026
Judith Basin County · 1,053 Homes in County
Wind Report Description: AWOS station K1CM Charlie.
NWS Wind Report Location: 2 Nw Windham, MT
54 mph
Aug 18, 2026
11:54 PM UTC
Wind report for August 18, 2026
Emmet County · 15,881 Homes in County
Wind Report Description: ASOS station KPLN Pellston - Rgnl Airport Of Emmet County.
NWS Wind Report Location: 1 Wnw Pellston, MI
60 mph
Aug 18, 2026
11:52 PM UTC
Wind report for August 18, 2026
Big Horn County · 4,267 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 6 Ne Hyattville, WY
UNK mph
Aug 18, 2026
11:51 PM UTC
Wind report for August 18, 2026
Milwaukee County · 192,464 Homes in County
Wind Report Description: Social media report of trees snapped in Pinelawn Memorial Park. Photo of a pine snapped approximately 1/4 way up. Time estimated by radar.
NWS Wind Report Location: 2 Se Butler, WI
UNK mph
Aug 18, 2026
11:49 PM UTC
Wind report for August 18, 2026
Ozaukee County · 26,042 Homes in County
Wind Report Description: Public report of large downed trees in Bayside.
NWS Wind Report Location: 1 N Bayside, WI
UNK mph
Aug 18, 2026
11:48 PM UTC
Wind report for August 18, 2026
Waukesha County · 120,477 Homes in County
Wind Report Description: Trained spotter reports 4 inch diameter tree branch broken with leading edge of storm. Time estimated by radar.
NWS Wind Report Location: 3 Se Waukesha, WI
UNK mph
Aug 18, 2026
11:47 PM UTC
Wind report for August 18, 2026
Sumter County · 3,592 Homes in County
Wind Report Description: Several trees down blocking roadways near Cuba.
NWS Wind Report Location: Cuba, AL
UNK mph
Aug 18, 2026
11:47 PM UTC
Wind report for August 18, 2026
Sumter County · 3,592 Homes in County
Wind Report Description: Metal roof peeled off the community center in Cuba near 2nd Street and US 80. This damage was visible on Baron Institute camera and the associated weather station measured 56 mph.
NWS Wind Report Location: 1 Ssw Cuba, AL
UNK mph
Aug 18, 2026
11:43 PM UTC
Wind report for August 18, 2026
Waukesha County · 120,477 Homes in County
Wind Report Description: Social media report of several 1 ft diameter trees down_ with a photo of a tree snapped about 1/4 of the way up in Menomonee Falls. Time estimated by radar.
NWS Wind Report Location: 1 E Menomonee Falls, WI
UNK mph
Aug 18, 2026
11:41 PM UTC
Wind report for August 18, 2026
Waukesha County · 120,477 Homes in County
Wind Report Description: Large pine tree fell on a camper. Time estimated from radar.
NWS Wind Report Location: Menomonee Falls, WI
UNK mph
Aug 18, 2026
11:41 PM UTC
Wind report for August 18, 2026
Marion County · 123,229 Homes in County
Wind Report Description: According to Ocala Fire_ at around 741 p.m._ a report came in regarding a structure collapse with potential entrapment at Arborgate_ located along NE 3rd St. A tree had fallen on a multifamily apartm
NWS Wind Report Location: 2 E Ocala, FL
Showing 15 of 248
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.

NWS Tornado Reports on August 18, 2026

1 reports
UNK category
Aug 18, 2026
11:33 PM UTC
Tornado report for August 18, 2026
Washington County · 40,489 Homes in County
Tornado Report Description: NWS storm survey finds a brief EF0 tornado damage track beginning near the intersection of Elmwood Rd & Timber Stone Way. Max wind speed 80 MPH. Additional details to follow in a Public Information S
NWS Tornado Report Location: 1 Ssw Hubertus, WI
Showing 1 of 1
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 on August 18, 2026 on the Interactive Map

Report type
Hail
Wind
Tornado

Get a Remote Hail Inspection

Not sure if hail may have affected your home on August 18, 2026? 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.

Frequently asked questions

for homeowners, buyers & sellers
How many storm reports were recorded on August 18, 2026?

Our records show 39 hail, 248 wind, and 1 tornado reports on August 18, 2026, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 18, 2026.

What was the largest hail reported on August 18, 2026?

The largest hail size in these storm-report records on August 18, 2026 is 2.50″, reported near Cedar Rapids, NE.

Some reports show UNK instead of a wind speed or tornado rating — what does that mean?

Wind reports come three ways: measured from an instrument, estimated from the damage observed, or UNK when no speed was recorded. Tornadoes show UNK until the National Weather Service finishes a damage survey and assigns an EF rating. UNK simply means that value was not available when the report was filed.

A report appeared near my home on August 18, 2026 — is my roof damaged?

Not necessarily. A storm report shows that hail, wind, or a tornado was observed nearby, not that any specific home was hit. To find out whether your property was affected, check an address-level hail report, and if it looks significant, ask a local pro about a Remote Hail Inspection before scheduling roof work.

I am buying or selling a home — how do these on August 18, 2026 reports help?

If a storm passed through, a roof or exterior may have damage that is hard to see, or a recent repair may trace back to it. Buyers can ask better questions before closing, and sellers can document the home condition up front — both starting from the property address rather than a whole region.

How do I check what happened at a specific address on August 18, 2026?

Use the address search to pull a free address-level hail report for any property — 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 on August 18, 2026 across the United States, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported, 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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