Hail History

Home › Wisconsin › Jefferson County › Fort Atkinson

Hail history for Fort Atkinson, WI

Last hail within 10 milesApr 2, 20261 in (quarter)
Hail days, last 12 months1
Largest hail since 20064.25 inMay 11, 2011
Hail days since 200627
Days with hail 1 inch or larger19
Tornadoes within 10 miles9
Damaging wind reports within 10 miles74

Hail has been reported within 10 miles of Fort Atkinson on 27 days since 2006. The largest stones measured 4.25 in on May 11, 2011. Hail is most common here in June and April.

Recent hail near Fort Atkinson

DateHail sizeWhereSource
Apr 2, 20262 in
hen egg		Whitewater
2 hail reports · closest 7 mi from Fort Atkinson		NOAA Storm Events
Apr 18, 20252 in
hen egg		Cold Spg, Busseyville, Fort Atkinson
6 hail reports · closest near the center of Fort Atkinson		NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Fort Atkinson by year

406207208091102112121132141516217181920221122323124125126

When hail season peaks near Fort Atkinson

Of the 27 hail days since 2006, most fell in June (6) and April (6).

Jan1Feb2Mar6Apr5May6Jun2Jul4AugSep1OctNovDec

Largest hail storms near Fort Atkinson

May 11, 2011 · 4.25 in · Jefferson (5 mi from Fort Atkinson)

Apr 18, 2025 · 2 in (hen egg) · Cold Spg (3 mi from Fort Atkinson)

National Weather Service description (English): Hail size measured around 2.34 inches in diameter.

Apr 2, 2026 · 2 in (hen egg) · Whitewater (7 mi from Fort Atkinson)

May 1, 2012 · 1.75 in (golf ball) · Fort Atkinson (1 mi from Fort Atkinson)

May 12, 2014 · 1.75 in (golf ball) · Fort Atkinson (0 mi from Fort Atkinson)

National Weather Service description (English): Hail diameter ranged from 1 to 1.75 inches.

Tornadoes within 10 miles of Fort Atkinson

DateRatingWherePath
Apr 14, 2026EF0Busseyville
9 mi from Fort Atkinson		0.4 mi long, 50 yd wide
May 26, 2024EF0Lake Koshkonong
4 mi from Fort Atkinson		5.5 mi long, 30 yd wide
May 26, 2024EF0Cold Spg
6 mi from Fort Atkinson		3.5 mi long, 50 yd wide
Feb 8, 2024EF1Busseyville
9 mi from Fort Atkinson		6.1 mi long, 400 yd wide
Mar 31, 2023EF0Cambridge
10 mi from Fort Atkinson		1.4 mi long, 75 yd wide
Oct 1, 2019EF0Busseyville
7 mi from Fort Atkinson		7.1 mi long, 80 yd wide
Jul 22, 2010EF0Lake Koshkonong
7 mi from Fort Atkinson		2.8 mi long, 75 yd wide
Jul 22, 2010EF0Cold Spg
5 mi from Fort Atkinson		3.9 mi long, 75 yd wide
Jun 21, 2010EF1Busseyville
8 mi from Fort Atkinson		1.3 mi long, 100 yd wide

Damaging thunderstorm winds near Fort Atkinson

74 reports of damaging thunderstorm wind within 10 miles of Fort Atkinson since 2006, on 52 days. The strongest measured gust was 63 mph on Jun 17, 2014.

DateStrongest gustWhereSource
Aug 9, 202659 mph, measuredEdgerton
1 wind report		NWS storm report (preliminary)
Jun 10, 202685 mph, estimatedBusseyville, Fort Atkinson
2 wind reports		NOAA Storm Events
Apr 14, 202670 mph, estimatedCambridge Airport, Whitewater
2 wind reports		NOAA Storm Events
Apr 2, 202658 mph, estimatedWhitewater
1 wind report		NOAA Storm Events
Jul 11, 202558 mph, estimatedWhitewater
1 wind report		NOAA Storm Events
Jun 3, 202464 mph, estimatedLake Koshkonong
1 wind report		NOAA Storm Events
May 24, 202458 mph, estimatedWhtwtr Clover Vly Airport
1 wind report		NOAA Storm Events
Aug 24, 202358 mph, estimatedFort Atkinson, Whitewater, Jefferson
4 wind reports		NOAA Storm Events
Jul 28, 202375 mph, estimatedFort Atkinson
1 wind report		NOAA Storm Events
Jul 22, 202360 mph, estimatedLake Koshkonong
1 wind report		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Fort Atkinson; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Fort Atkinson.

Run a roofing company or a local news site? Show Fort Atkinson's hail history on your website with our free widget →

Roofing or restoration company? Get an email within the hour when hail is reported near Fort Atkinson with our hail alerts ($29 a month) →