Hail History

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Hail history for Hartland, WI

Last hail within 10 milesJul 27, 20261 in (quarter)
Hail days, last 12 months2
Largest hail since 20063 in (tea cup)Jun 7, 2008
Hail days since 200646
Days with hail 1 inch or larger30
Tornadoes within 10 miles8
Damaging wind reports within 10 miles114

Hail has been reported within 10 miles of Hartland on 46 days since 2006. The largest stones measured 3 in (tea cup) on Jun 7, 2008. Hail is most common here in May and June.

Recent hail near Hartland

DateHail sizeWhereSource
Jul 27, 20262.5 in
tennis ball		Oconomowoc, Lac La Belle, Delafield
4 hail reports · closest 4 mi from Hartland		NWS storm report (preliminary)
Apr 14, 20261.5 in
ping pong ball		Merton, Monches, Oconomowoc Lake
5 hail reports · closest near the center of Hartland		NOAA Storm Events
May 15, 20252 in
hen egg		Alderley, Dousman, Lac La Belle
8 hail reports · closest 3 mi from Hartland		NOAA Storm Events
Apr 18, 20251 in
quarter		Bethesda, Lac La Belle, Waukesha Co Airport
3 hail reports · closest 7 mi from Hartland		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 Hartland by year

6064073081093101113122132142151641711819120121322223324225226

When hail season peaks near Hartland

Of the 46 hail days since 2006, most fell in May (9) and June (9).

Jan1Feb2Mar5Apr9May9Jun6Jul6Aug8SepOctNovDec

Largest hail storms near Hartland

Jun 7, 2008 · 3 in (tea cup) · Hartland (2 mi from Hartland)

National Weather Service description (English): Hail size ranged from 0.75 to 3.00 inches in diameter.

Jul 27, 2026 · 2.5 in (tennis ball) · Oconomowoc (8 mi from Hartland)

Apr 13, 2006 · 2 in (hen egg) · Sussex (7 mi from Hartland)

National Weather Service description (English): Hail sized ranged from 1.00 to 2.00 inches in diameter.

May 11, 2011 · 2 in (hen egg) · Hartland (1 mi from Hartland)

May 15, 2025 · 2 in (hen egg) · Alderley (10 mi from Hartland)

Tornadoes within 10 miles of Hartland

DateRatingWherePath
Aug 18, 2026EF?Hubertus
10 mi from Hartland
Apr 14, 2026EF2Merton
4 mi from Hartland		3.8 mi long, 150 yd wide
Oct 12, 2022EF0Nashotah
2 mi from Hartland		0.6 mi long, 50 yd wide
Jul 29, 2021EF1Bethesda
8 mi from Hartland		0.9 mi long, 95 yd wide
Jul 29, 2021EF1Utica
9 mi from Hartland		1.0 mi long, 75 yd wide
Jul 29, 2021EF0Lapham Peak State Park
5 mi from Hartland		2.4 mi long, 50 yd wide
May 9, 2018EF0Holy Hill
7 mi from Hartland		5.2 mi long, 50 yd wide
Aug 18, 2015EF0Bethesda
10 mi from Hartland		0.6 mi long, 25 yd wide

Damaging thunderstorm winds near Hartland

114 reports of damaging thunderstorm wind within 10 miles of Hartland since 2006, on 72 days. The strongest measured gust was 77 mph on Aug 10, 2021.

DateStrongest gustWhereSource
Aug 18, 2026damage reportedRichfield, Hubertus, Sussex
5 wind reports		NWS storm report (preliminary)
Jul 2, 2026damage reportedHartland, Pewaukee
2 wind reports		NWS storm report (preliminary)
Apr 14, 202681 mph, estimatedOconomowoc Lake
1 wind report		NOAA Storm Events
Sep 22, 202558 mph, estimatedDelafield
1 wind report		NOAA Storm Events
Aug 12, 202564 mph, estimatedDelafield
1 wind report		NOAA Storm Events
May 16, 202566 mph, measuredSummit Corners, Oconomowoc Lake
2 wind reports		NOAA Storm Events
Mar 15, 202567 mph, measuredSummit Corners, Oconomowoc
2 wind reports		NOAA Storm Events
Aug 27, 202458 mph, estimatedOconomowoc, Delafield
2 wind reports		NOAA Storm Events
Jun 17, 202470 mph, estimatedSummit Corners, Plat
2 wind reports		NOAA Storm Events
May 22, 202458 mph, estimatedBethesda
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 Hartland; 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 Hartland.

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