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NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA

Hail, Wind & Tornado Reports in Mahaska County, IA

Public hail, wind, and tornado reports across Mahaska County, IA from August 18, 1956 through June 11, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Example: 52501 — search hail, wind and tornado public reports for any U.S. ZIP code 
Hail Reports
96
Wind Reports
154
Tornado Reports
24
Max Hail Size
4.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  Mahaska County, IA · 1956–present Updated  Daily · last Jun 11, 2026

Latest NWS Hail Reports in Mahaska County

30 reports
Free hail report for your home →
1.00″ hail
Jun 11, 2026
1:14 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 WSW Oskaloosa, IA
1.00″ hail
Apr 17, 2026
8:28 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.) Time estimated from radar.
NWS Hail Report Location: New Sharon, IA
1.00″ hail
Apr 17, 2026
8:25 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: Delayed report - time estimated from radar.
NWS Hail Report Location: New Sharon, IA
1.00″ hail
Apr 17, 2026
8:25 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: Report from mPING: Quarter (1.00 in.) Time estimated from radar.
NWS Hail Report Location: 1 W New Sharon, IA
1.75″ hail
May 21, 2024
4:39 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: Golf ball hail in Taintor. Time estimated from radar.
NWS Hail Report Location: 5 WNW New Sharon, IA
1.75″ hail
Jul 29, 2023
3:40 AM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: Golf ball sized hail.
NWS Hail Report Location: 4 NW Eddyville, IA
1.00″ hail
Jul 17, 2023
1:33 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 N Oskaloosa, IA
1.00″ hail
Jul 17, 2023
1:32 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 N Oskaloosa, IA
2.00″ hail
May 7, 2023
10:43 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: DELAYED REPORT. IMAGE PROVIDED VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR.
NWS Hail Report Location: Rose Hill, IA
2.00″ hail
May 7, 2023
10:41 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: DELAYED REPORT. TIME ESTIMATED FROM RADAR.
NWS Hail Report Location: 1 W Rose Hill, IA
1.00″ hail
May 7, 2023
10:24 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: REPORT OF QUARTER SIZED HAIL WITH POTENTIALLY A FEW LARGER HAILSTONES PRESENT.
NWS Hail Report Location: 5 S New Sharon, IA
1.00″ hail
Apr 16, 2017
1:08 AM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: TRAINED SPOTTER REPORTED QUARTER SIZED HAIL AT HIS SONS PROPERTY. TIME RADAR ESTIMATED.
NWS Hail Report Location: 4 E New Sharon, IA
1.25″ hail
Apr 10, 2017
6:02 AM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: PUBLIC REPORT RELAYED VIA KCCI ON SOCIAL MEDIA.
NWS Hail Report Location: New Sharon, IA
1.00″ hail
Feb 28, 2017
10:38 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: TRAINED SPOTTER REPORTED 1 INCH HAIL.
NWS Hail Report Location: 2 NW Oskaloosa, IA
1.00″ hail
Feb 28, 2017
10:36 PM UTC
Hail report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Hail Report Description: TRAINED SPOTTER REPORTED LOTS OF SMALL HAIL WITH A FEW MEASURED 1 INCH HAIL STONES MIXED IN.
NWS Hail Report Location: 1 N Oskaloosa, IA
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.

Latest NWS Wind Reports in Mahaska County

30 reports
Free hail report + wind check →
UNK mph
Jun 11, 2026
1:35 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Report of sheds down relayed from EMA. Time estimated by radar.
NWS Wind Report Location: 5 SSE Barnes City, IA
60 mph
Apr 15, 2026
11:55 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Delayed report.
NWS Wind Report Location: 3 WNW Fremont, IA
UNK mph
Jun 20, 2025
4:20 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Medium sized tree split with lots of other trees damaged. Time estimated from radar.
NWS Wind Report Location: Keomah Village, IA
67 mph
Mar 14, 2025
11:28 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 3 WNW Fremont, IA
62 mph
Jul 29, 2024
6:35 AM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: AWOS station KOOA Oskaloosa Airport. 62 mph gust in the 10 min period ending at 135am CDT.
NWS Wind Report Location: 4 WNW Fremont, IA
61 mph
Jul 15, 2024
11:44 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Personal weather station reported a measured wind gust of 61 mph.
NWS Wind Report Location: 3 N Rose Hill, IA
UNK mph
Jul 15, 2024
11:38 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Report from mPING.
NWS Wind Report Location: 1 W Oskaloosa, IA
70 mph
May 24, 2024
11:00 AM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Delayed report - estimated 70 mph winds and large branches down. Time estimated by radar.
NWS Wind Report Location: New Sharon, IA
71 mph
May 24, 2024
10:56 AM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Peak gust at Oskaloosa Airport.
NWS Wind Report Location: 3 WNW Fremont, IA
UNK mph
May 21, 2024
10:55 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Report from mPING. 1-inch tree limbs broken. Shingles blown off.
NWS Wind Report Location: 4 W Beacon, IA
59 mph
May 19, 2024
9:41 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Measured wind speed of 59.3 mph.
NWS Wind Report Location: New Sharon, IA
UNK mph
Apr 27, 2024
11:26 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Reports of large trees down and power outages in town. Time estimated via radar.
NWS Wind Report Location: Oskaloosa, IA
UNK mph
Apr 27, 2024
11:26 PM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: Reports of trees and branches down. Time estimated via radar.
NWS Wind Report Location: Oskaloosa, IA
60 mph
Dec 16, 2021
1:52 AM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: REPORTED AT OSKALOOSA MUNICIPAL AIRPORT.
NWS Wind Report Location: 3 WNW Fremont, IA
70 mph
Dec 16, 2021
1:16 AM UTC
Wind report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Wind Report Description: SPOTTER REPORTS 60 TO 70 MPH WINDS AND POWER FLASHES. RELAYED REPORT FROM DVN.
NWS Wind Report Location: Oskaloosa, IA
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 Mahaska County

24 reports
UNK category
Jul 19, 2018
9:27 PM UTC
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: 4 NNW Leighton, IA
UNK category
Jul 19, 2018
9:19 PM UTC
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: LOCATION ESTIMATED FROM RADAR.
NWS Tornado Report Location: 2 NW Leighton, IA
EF2 category
Nov 11, 2015
4:20 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Tornado started in rural Mahaska county south of Barnes City. Tornado damaged or destroyed several structures along its path. Also damaged several trees with branches and trunks snapped. In Barnes City, multiple outbuildings were slid off their foundation. The back end of one car was shifted by 2 ft. Tornado then moved into Poweshiek county before dissipating.
NWS Tornado Report Location: 3.97 WNW Indianapolis, IA
EF0 category
Nov 11, 2015
4:16 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Storm Survey team found damage on the county line between Mahaska and Keokuk county. Tornado started in rural areas of eastern Mahaska county with only minor damage before exiting into Keokuk county.
NWS Tornado Report Location: 2.49 E Rose Hill, IA
EF1 category
Apr 14, 2012
8:22 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: The tornado was determined to be an EF1 with a broad and intense rear flank downdraft south of the track. Peak wind was around 100 MPH.
NWS Tornado Report Location: 1.08 E Wright, IA
EF1 category
Jun 20, 2011
3:59 AM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Winds estimated at 110 MPH. Numerous trees downed with some trees on top of houses. Power lines down and storage shed shifted from its foundation and cars pushed into a ditch.
NWS Tornado Report Location: 1.06 ESE New Sharon, IA
EF1 category
May 30, 2008
4:21 AM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Several homes were damaged or destroyed, two mobile homes were destroyed. Considerable tree damage was reported. The EF2 damage occurred in the Attica area, along with 10 injuries. The tornado weakened as it moved into Mahaska County out of Marion County.
NWS Tornado Report Location: 4.94 SSW Olivet, IA
EF1 category
Apr 10, 2008
4:43 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Shingles were removed from the roof of a house. An outbuilding was damaged and the top of an outbuilding was crushed. Damage was done to structures on the west side of Oskaloosa from the storm after the tornado had lifted. Intermittent track with rain wrapped tornado and considerable RFD wind damage.
NWS Tornado Report Location: 1.34 NE Truax, IA
EF0 category
Oct 2, 2007
4:55 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: A brief tornado touchdown occurred in an open field. The rotation of this tornado was anti-cyclonic.
NWS Tornado Report Location: 5.39 WSW Lakonta, IA
EF0 category
Oct 2, 2007
4:53 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: The public reported a tornado touchdown in open fields and pastures. It was on the ground for 4 minutes. The KCCI TV Twin Cedars web cam verifies the tornado.
NWS Tornado Report Location: 4.65 WNW Lakonta, IA
EF2 category
Sep 30, 2007
5:27 PM CST-6
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Tornado moved into Mahaska County from Marion County, then continued northeast into Jasper County.|
NWS Tornado Report Location: 3.7 W Peoria, IA
F1 category
May 10, 2003
4:55 PM CST
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Moved from Marion County into rural Mahaska County.
NWS Tornado Report Location: 5 WSW Leighton, IA
F1 category
Jun 14, 2001
3:45 PM CST
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: Brief touchdown on a farm northeast of Oskaloosa. Several buildings damaged.
NWS Tornado Report Location: 3 NE Oskaloosa, IA
F0 category
Jul 2, 1992
1:45 PM CST
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
F1 category
May 8, 1988
1:06 PM CST
Tornado report for Mahaska County, IA
Mahaska County · 7,582 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: Not provided, IA
Showing 15 of 24
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 Mahaska County on the Interactive Map

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Browse Cities with NWS Storm Reports in Mahaska County

NWS Storm Reports & Census Data

U.S. Census Data · County

Mahaska County, IA area census snapshot

People & households
Population22,045
Households8,891
Housing units9,708
Income
Median household income$69,019
$100k+ households42.3%
$150k+ households14.0%
Housing stock
Single-family detached7,582
Attached single-family96
Small multifamily1,186
Large multifamily330
Mobile homes503
Housing mix
Single-family share78.1%
Attached-home share1.0%
Multifamily share15.6%
Mobile-home share5.2%
Ownership & occupancy
Owner-occupied6,031
Renter-occupied2,860
Vacant units817
Home value & age
Median home value$140,900
Owner homes $300k+14.1%
Owner homes $500k+3.1%
Owner homes $750k+0.7%
Median year built1963
Older-home share70.0%
Vehicle context
Households with cars8,582
Free hail maps

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 Mahaska County

Get a Remote Hail Inspection

Not sure if hail may have affected your home in Mahaska 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.

Frequently asked questions

for homeowners, buyers & sellers
How many hail, wind, and tornado reports does Mahaska County have on record?

Our records show 96 hail, 154 wind, and 24 tornado reports in Mahaska County, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on June 11, 2026.

What is the largest hail ever reported in Mahaska County?

The largest hail size in these storm-report records in Mahaska County is 4.75″. It was reported near Oskaloosa, IA on May 8, 2003.

A storm report showed up near my home in Mahaska 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 Mahaska County and ask about a Remote Hail Inspection before anyone climbs on the roof.

I am buying a home in Mahaska 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 Mahaska County address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.

I am selling a home in Mahaska 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 Mahaska County address?

Use the address search to pull a free address-level hail report for any property in Mahaska 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 Mahaska County, IA, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in Mahaska 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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