Wisconsin, 1987

Hail and Damaging Winds in Wisconsin, May 21, 1987

May 21, 1987 · NWS MKE · 15 events in 8 counties and zones

12 hail, 3 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
15

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

12 hail, 3 thunderstorm wind. Local standard time, as filed.

Hail, Dane

When
May 21, 5:10 PM CST
Where
Dane County
Measured
1.75 in hail
Coordinates
43.050, -89.070

Hail, Jefferson

When
May 21, 5:20 PM CST
Where
Jefferson County
Measured
2 in hail
Coordinates
43.080, -88.900

Thunderstorm Wind, Columbia

When
May 21, 5:25 PM CST
Where
Columbia County
Coordinates
43.520, -89.030

Hail, Dodge

When
May 21, 6:10 PM CST
Where
Dodge County
Measured
2 in hail
Coordinates
43.400, -88.700

Hail, Walworth

When
May 21, 6:15 PM CST
Where
Walworth County
Measured
0.75 in hail
Coordinates
42.830, -88.730

Thunderstorm Wind, Waukesha

When
May 21, 6:35 PM CST
Where
Waukesha County
Coordinates
42.870, -88.330

Hail, Jefferson

When
May 21, 6:40 PM CST
Where
Jefferson County
Measured
0.75 in hail
Coordinates
42.880, -88.600

Hail, Waukesha

When
May 21, 6:40 PM CST
Where
Waukesha County
Measured
1.75 in hail
Coordinates
43.080, -88.270

Hail, Washington

When
May 21, 6:40 PM CST
Where
Washington County
Measured
1 in hail
Coordinates
43.420, -88.180

Hail, Waukesha

When
May 21, 7:00 PM CST
Where
Waukesha County
Measured
1.75 in hail
Coordinates
43.000, -88.370

Hail, Waukesha

When
May 21, 7:16 PM CST
Where
Waukesha County
Measured
1.75 in hail
Coordinates
43.070, -88.150

Hail, Milwaukee

When
May 21, 7:26 PM CST
Where
Milwaukee County
Measured
1 in hail
Coordinates
43.050, -87.950

Hail, Milwaukee

When
May 21, 8:40 PM CST
Where
Milwaukee County
Measured
0.75 in hail
Coordinates
42.950, -87.900

Hail, Walworth

When
May 21, 10:55 PM CST
Where
Walworth County
Measured
0.75 in hail
Coordinates
42.500, -88.730

Thunderstorm Wind, Walworth

When
May 21, 11:05 PM CST
Where
Walworth County
Coordinates
42.600, -88.430

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wisconsin in 1987Every state in 1987This day in weather historyWarnings in Wisconsin, May 1987

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10161421, 10161422, 10162277, 10162278, 10162279, 10162280, 10162281, 10162282, 10162283, 10162284, 10162285, 10162286, 10162287, 10162288, 10162289.