Hail History

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Hail history for Johnson Creek, WI

Last hail within 10 milesApr 14, 20261 in (quarter)
Hail days, last 12 months1
Largest hail since 20064.25 inMay 11, 2011
Hail days since 200633
Days with hail 1 inch or larger19
Tornadoes within 10 miles9
Damaging wind reports within 10 miles57

Hail has been reported within 10 miles of Johnson Creek on 33 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 Johnson Creek

DateHail sizeWhereSource
Apr 14, 20262.75 in
baseball		Watertown Airport, Grellton, Watertown
9 hail reports · closest 5 mi from Johnson Creek		NOAA Storm Events
Apr 18, 20251.75 in
golf ball		Milford, Watertown Airport, Hoopers
6 hail reports · closest 4 mi from Johnson Creek		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 Johnson Creek by year

3062074080911041121211321411516417118192032112222324125126

When hail season peaks near Johnson Creek

Of the 33 hail days since 2006, most fell in April (10) and June (8).

JanFeb1Mar10Apr6May8Jun3Jul3Aug1Sep1OctNovDec

Largest hail storms near Johnson Creek

Apr 13, 2006 · 4.25 in · Lake Mills (9 mi from Johnson Creek)

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

May 11, 2011 · 4.25 in · Jefferson (7 mi from Johnson Creek)

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

Apr 14, 2026 · 2.75 in (baseball) · Watertown Airport (8 mi from Johnson Creek)

National Weather Service description (English): Trained spotter reports 2.75 inch diameter hail southeast of Watertown.

Aug 24, 2006 · 1.75 in (golf ball) · Janesville (9 mi from Johnson Creek)

Jun 2, 2010 · 1.75 in (golf ball) · Lake Mills (8 mi from Johnson Creek)

Tornadoes within 10 miles of Johnson Creek

DateRatingWherePath
Jun 22, 2024EF1Hubbleton
8 mi from Johnson Creek		2.0 mi long, 150 yd wide
Oct 12, 2022EF0Grellton
7 mi from Johnson Creek		0.5 mi long, 25 yd wide
Oct 12, 2022EF0Aztalan
2 mi from Johnson Creek		0.4 mi long, 25 yd wide
Jul 29, 2021EF0Grellton
7 mi from Johnson Creek		6.0 mi long, 100 yd wide
Jul 29, 2021EF1Pipersville
6 mi from Johnson Creek		7.7 mi long, 200 yd wide
Jul 29, 2021EF0Grellton
3 mi from Johnson Creek		3.6 mi long, 25 yd wide
Oct 1, 2019EF1Sullivan
9 mi from Johnson Creek		4.4 mi long, 100 yd wide
Jul 22, 2010EF0Farmington
6 mi from Johnson Creek		0.1 mi long, 30 yd wide
Jun 7, 2008EF0Aztalan
3 mi from Johnson Creek		0.1 mi long, 50 yd wide

Damaging thunderstorm winds near Johnson Creek

57 reports of damaging thunderstorm wind within 10 miles of Johnson Creek since 2006, on 47 days. The strongest measured gust was 62 mph on Mar 7, 2017.

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
Sep 22, 202558 mph, estimatedIxonia
1 wind report		NOAA Storm Events
Mar 15, 202563 mph, estimatedHubbleton
3 wind reports		NOAA Storm Events
Aug 24, 202358 mph, estimatedJefferson
1 wind report		NOAA Storm Events
Jul 28, 202358 mph, estimatedPipersville
1 wind report		NOAA Storm Events
Oct 12, 202258 mph, estimatedJohnson Creek
1 wind report		NOAA Storm Events
Sep 25, 202258 mph, estimatedLake Mills
1 wind report		NOAA Storm Events
Jun 15, 202258 mph, estimatedFort Atkinson Muni Airport
1 wind report		NOAA Storm Events
Jun 13, 202264 mph, estimatedLake Mills, Aztalan
2 wind reports		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 Johnson Creek; 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 Johnson Creek.

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