Hail History

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Hail history for East Troy, WI

Last hail within 10 milesAug 9, 20261.25 in (half dollar)
Hail days, last 12 months3
Largest hail since 20063.75 inAug 2, 2015
Hail days since 200629
Days with hail 1 inch or larger18
Tornadoes within 10 miles12
Damaging wind reports within 10 miles75

Hail has been reported within 10 miles of East Troy on 29 days since 2006. The largest stones measured 3.75 in on Aug 2, 2015. Hail is most common here in May and July.

Recent hail near East Troy

DateHail sizeWhereSource
Aug 9, 20261.25 in
half dollar		Mukwonago
2 hail reports · closest 6 mi from East Troy		NWS storm report (preliminary)
Jul 27, 20261 in
quarter		Waterford
1 hail report · closest 10 mi from East Troy		NWS storm report (preliminary)
Apr 17, 20261 in
quarter		Little Prairie, Eagle
3 hail reports · closest 6 mi from East Troy		NOAA Storm Events
May 15, 20252.75 in
baseball		Rochester Fox Rvr Airport, East Troy, Spring Prairie
11 hail reports · closest near the center of East Troy		NOAA Storm Events
Apr 18, 20251.5 in
ping pong ball		Jericho, North Prairie, Mukwonago
5 hail reports · closest 7 mi from East Troy		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 East Troy by year

20620708209210111123132142151164171819202122223124225326

When hail season peaks near East Troy

Of the 29 hail days since 2006, most fell in May (7) and July (6).

JanFeb2Mar5Apr7May3Jun6Jul4Aug1Sep1OctNovDec

Largest hail storms near East Troy

Aug 2, 2015 · 3.75 in · Mukwonago (8 mi from East Troy)

National Weather Service description (English): The hail put holes in the roof of a camper and dented a truck.

May 15, 2025 · 2.75 in (baseball) · Rochester Fox Rvr Airport (6 mi from East Troy)

National Weather Service description (English): Tennis to baseball sized hail caused significant damage to vehicles.

Jul 28, 2023 · 2.5 in (tennis ball) · Waterford (10 mi from East Troy)

National Weather Service description (English): A picture of the hail was provided on social media.

May 22, 2011 · 1.75 in (golf ball) · Eagle (8 mi from East Troy)

National Weather Service description (English): A severe thunderstorm produced hail up to 1.75 inches in diameter in a 4-mile wide swath from the southwest corner of Waukesha County northeast to North Prairie.

Jun 8, 2009 · 1.5 in (ping pong ball) · Mukwonago (7 mi from East Troy)

Tornadoes within 10 miles of East Troy

DateRatingWherePath
Apr 17, 2026EF0Lyons Airport
6 mi from East Troy		1.8 mi long, 50 yd wide
Apr 17, 2026EF0Caldwell
7 mi from East Troy		1.4 mi long, 50 yd wide
Apr 14, 2026EF1Troy
5 mi from East Troy		7.3 mi long, 75 yd wide
Apr 14, 2026EF1Rochester Fox Rvr Airport
5 mi from East Troy		5.2 mi long, 75 yd wide
Jul 28, 2023EF1Eagle
10 mi from East Troy		0.5 mi long, 90 yd wide
Mar 31, 2023EF1Palmyra
10 mi from East Troy		2.5 mi long, 50 yd wide
Mar 31, 2023EF1Eagle
10 mi from East Troy		0.3 mi long, 50 yd wide
Aug 18, 2015EF0Caldwell
8 mi from East Troy		1.0 mi long, 25 yd wide
Aug 18, 2015EF1Phantom Lake
9 mi from East Troy		1.5 mi long, 50 yd wide
Jun 21, 2010EF2Eagle
8 mi from East Troy		5.2 mi long, 880 yd wide
Jun 8, 2009EF0Mukwonago
6 mi from East Troy		3.1 mi long, 100 yd wide
Jun 7, 2008EF0Eagle
6 mi from East Troy		0.1 mi long, 20 yd wide

Damaging thunderstorm winds near East Troy

75 reports of damaging thunderstorm wind within 10 miles of East Troy since 2006, on 44 days. The strongest measured gust was 79 mph on Jun 21, 2011.

DateStrongest gustWhereSource
Jul 27, 202662 mph, measuredNorth Prairie, Eagle
2 wind reports		NWS storm report (preliminary)
Jul 3, 2026damage reportedBohners Lake, Burlington
2 wind reports		NWS storm report (preliminary)
Apr 17, 202664 mph, estimatedEast Troy
1 wind report		NOAA Storm Events
Apr 14, 202670 mph, estimatedBurlington Airport, Lake Beulah, Rochester Fox Rvr Airport
3 wind reports		NOAA Storm Events
Mar 15, 202561 mph, measuredPhantom Lake
1 wind report		NOAA Storm Events
Aug 6, 202470 mph, estimatedWandawega, Troy, East Troy Airport
3 wind reports		NOAA Storm Events
Jun 3, 202464 mph, estimatedEagle
2 wind reports		NOAA Storm Events
May 21, 202458 mph, estimatedWanoawega, North Prairie
2 wind reports		NOAA Storm Events
May 7, 202458 mph, estimatedEagle
1 wind report		NOAA Storm Events
Mar 4, 202458 mph, estimatedHoney 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 East Troy; 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 East Troy.

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