Hail History

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Hail history for Lake Mills, WI

Last hail within 10 milesApr 14, 20261.5 in (ping pong ball)
Hail days, last 12 months1
Largest hail since 20064.25 inMay 11, 2011
Hail days since 200635
Days with hail 1 inch or larger21
Tornadoes within 10 miles11
Damaging wind reports within 10 miles55

Hail has been reported within 10 miles of Lake Mills on 35 days since 2006. The largest stones measured 4.25 in on May 11, 2011. Hail is most common here in April and June.

Recent hail near Lake Mills

DateHail sizeWhereSource
Apr 14, 20262 in
hen egg		Marshall, Grellton, London
8 hail reports · closest 4 mi from Lake Mills		NOAA Storm Events
Apr 18, 20251.75 in
golf ball		Milford, Hoopers, Lake Mills
4 hail reports · closest near the center of Lake Mills		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 Lake Mills by year

5063073080911041121211321415116317181920121322323124125126

When hail season peaks near Lake Mills

Of the 35 hail days since 2006, most fell in April (8) and June (7).

Jan1Feb1Mar8Apr5May7Jun4Jul4Aug1Sep3Oct1NovDec

Largest hail storms near Lake Mills

Apr 13, 2006 · 4.25 in · Lake Mills (3 mi from Lake Mills)

National Weather Service description (English): Hail sizes ranged from 1.00 to 2.50 inches in diameter.

May 11, 2011 · 4.25 in · Jefferson (6 mi from Lake Mills)

National Weather Service description (English): Report from the public of baseball-sized hail that broke windows on homes and vehicles.

Apr 14, 2026 · 2 in (hen egg) · Marshall (9 mi from Lake Mills)

National Weather Service description (English): Trained spotter reports 2 inch diameter hail near Marshall.

Aug 24, 2006 · 1.75 in (golf ball) · Janesville (3 mi from Lake Mills)

Jun 2, 2010 · 1.75 in (golf ball) · Lake Mills (2 mi from Lake Mills)

Tornadoes within 10 miles of Lake Mills

DateRatingWherePath
Jun 22, 2024EF1Marshall
9 mi from Lake Mills		3.5 mi long, 300 yd wide
Jun 22, 2024EF0Waterloo
8 mi from Lake Mills		1.0 mi long, 200 yd wide
Jun 22, 2024EF1Hubbleton
7 mi from Lake Mills		2.0 mi long, 150 yd wide
Mar 31, 2023EF0Cambridge
8 mi from Lake Mills		1.4 mi long, 75 yd wide
Oct 12, 2022EF0Grellton
9 mi from Lake Mills		0.5 mi long, 25 yd wide
Oct 12, 2022EF0Aztalan
5 mi from Lake Mills		0.4 mi long, 25 yd wide
Jul 29, 2021EF0Grellton
9 mi from Lake Mills		6.0 mi long, 100 yd wide
Jul 29, 2021EF0Grellton
9 mi from Lake Mills		3.6 mi long, 25 yd wide
Aug 9, 2018EF0Deerfield
9 mi from Lake Mills		0.7 mi long, 25 yd wide
Jul 22, 2010EF0Waterloo
6 mi from Lake Mills		5.7 mi long, 30 yd wide
Jun 7, 2008EF0Aztalan
4 mi from Lake Mills		0.1 mi long, 50 yd wide

Damaging thunderstorm winds near Lake Mills

55 reports of damaging thunderstorm wind within 10 miles of Lake Mills since 2006, on 43 days. The strongest measured gust was 60 mph on Jun 10, 2026.

DateStrongest gustWhereSource
Jul 2, 202655 mph, measuredWatertown
1 wind report		NWS storm report (preliminary)
Jun 10, 202660 mph, measuredWatertown Airport
1 wind report		NOAA Storm Events
Apr 14, 202681 mph, estimatedCambridge, Waterloo
2 wind reports		NOAA Storm Events
Jul 16, 202559 mph, measuredLondon
1 wind report		NOAA Storm Events
Mar 15, 202563 mph, estimatedHubbleton, Waterloo
4 wind reports		NOAA Storm Events
Jun 21, 202458 mph, estimatedWaterloo
1 wind report		NOAA Storm Events
Aug 24, 202358 mph, estimatedJefferson
1 wind report		NOAA Storm Events
Jul 28, 202375 mph, estimatedFort Atkinson
1 wind report		NOAA Storm Events
Jul 5, 202360 mph, estimatedRockdale
1 wind report		NOAA Storm Events
Oct 12, 202258 mph, estimatedJohnson Creek
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 Lake Mills; 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 Lake Mills.

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