Hail History

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Hail history for Greendale, WI

Last hail within 10 milesAug 10, 20260.75 in (penny)
Hail days, last 12 months3
Largest hail since 20063 in (tea cup)Aug 2, 2015
Hail days since 200648
Days with hail 1 inch or larger31
Tornadoes within 10 miles4
Damaging wind reports within 10 miles115

Hail has been reported within 10 miles of Greendale on 48 days since 2006. The largest stones measured 3 in (tea cup) on Aug 2, 2015. Hail is most common here in April and August.

Recent hail near Greendale

DateHail sizeWhereSource
Aug 10, 20260.75 in
penny		Hales Corners
1 hail report · closest 4 mi from Greendale		NWS storm report (preliminary)
Apr 21, 20261 in
quarter		Greenfield, Mitchell Apt
3 hail reports · closest 2 mi from Greendale		NOAA Storm Events
Apr 15, 20261 in
quarter		Hales Corners
1 hail report · closest 3 mi from Greendale		NOAA Storm Events
Sep 22, 20250.75 in
penny		New Berlin, Tess Corners, St Martins
3 hail reports · closest 3 mi from Greendale		NOAA Storm Events
May 15, 20251.75 in
golf ball		Rawson, Tess Corners, Muskego
10 hail reports · closest 1 mi from Greendale		NOAA Storm Events
Apr 18, 20251 in
quarter		New Berlin, Prospect, Milwaukee County Zoo
4 hail reports · closest 6 mi from Greendale		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 Greendale by year

606107080941011111211351431521631711819120121222423624325326

When hail season peaks near Greendale

Of the 48 hail days since 2006, most fell in April (11) and August (8).

Jan1Feb1Mar11Apr7May5Jun4Jul8Aug7Sep2Oct2NovDec

Largest hail storms near Greendale

Aug 2, 2015 · 3 in (tea cup) · St Martins (4 mi from Greendale)

May 12, 2014 · 2 in (hen egg) · Wauwatosa (9 mi from Greendale)

National Weather Service description (English): The large hail resulted in broken windows, dented vehicles, and extensive damage to trees and shrubs.

May 15, 2025 · 1.75 in (golf ball) · Rawson (9 mi from Greendale)

Nov 17, 2013 · 1.5 in (ping pong ball) · South Milwaukee (7 mi from Greendale)

May 7, 2024 · 1.5 in (ping pong ball) · Oak Creek (6 mi from Greendale)

Tornadoes within 10 miles of Greendale

DateRatingWherePath
Apr 17, 2026EF0Muskego Lake
10 mi from Greendale		0.6 mi long, 70 yd wide
Apr 17, 2026EF1Franksville Hunts Airport
10 mi from Greendale		3.9 mi long, 75 yd wide
Apr 17, 2026EF1Franklin Airport
7 mi from Greendale		1.3 mi long, 75 yd wide
Oct 12, 2022EF0Milwaukee County Zoo
5 mi from Greendale		3.1 mi long, 40 yd wide

Damaging thunderstorm winds near Greendale

115 reports of damaging thunderstorm wind within 10 miles of Greendale since 2006, on 62 days. The strongest measured gust was 79 mph on Nov 10, 2020.

DateStrongest gustWhereSource
Aug 18, 2026damage reportedWest Milwaukee
1 wind report		NWS storm report (preliminary)
Jul 27, 2026damage reportedCudahy
1 wind report		NWS storm report (preliminary)
Apr 17, 202681 mph, estimatedCaddy Vista
1 wind report		NOAA Storm Events
Apr 14, 202658 mph, estimatedWest Allis, West Milwaukee, Butler
3 wind reports		NOAA Storm Events
May 15, 202561 mph, measuredMitchell Apt, Milwaukee County Zoo
2 wind reports		NOAA Storm Events
Mar 15, 202562 mph, measuredMitchell Apt
1 wind report		NOAA Storm Events
Jul 7, 202458 mph, estimatedMilwaukee County Zoo, Elm Grove
2 wind reports		NOAA Storm Events
Aug 11, 202358 mph, estimatedCudahy
1 wind report		NOAA Storm Events
Jul 28, 202360 mph, estimatedMuskego, Downtown Milwaukee
2 wind reports		NOAA Storm Events
Jul 5, 202360 mph, estimatedMilwaukee Bradford Beach, Oak Creek
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 Greendale; 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 Greendale.

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