Tornado and Hail in Wisconsin, June 17, 1978

Name: Tornado and Hail in Wisconsin, June 17, 1978
Start: 1978-06-17T11:30
End: 1978-06-17T19:33
Location: Wisconsin

June 17, 1978 · 7 events in 5 counties and zones

4 thunderstorm wind, 2 hail, 1 tornado, 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

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The toll

Deaths: 0
Injuries: 0
Property damage: $2.5 million
Crop damage: None recorded
Events: 7

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

4 thunderstorm wind, 2 hail, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Jefferson

When: June 17, 11:30 AM CST
Where: Jefferson County
Coordinates: 43.100, -88.830

Thunderstorm Wind, Jefferson

When: June 17, 12:10 PM CST
Where: Jefferson County
Coordinates: 42.970, -88.600

Hail, Milwaukee

When: June 17, 12:30 PM CST
Where: Milwaukee County
Measured: 1.75 in hail
Coordinates: 42.930, -88.050

Thunderstorm Wind, Dodge

When: June 17, 6:50 PM CST
Where: Dodge County
Measured: 52 kt (60 mph)
Coordinates: 43.630, -88.730

Tornado, Dodge

When: June 17, 6:57 PM CST
Where: Dodge County
Rating: F2
Path length: 16.5 mi
Path width: 33 yd
Property damage: $2.5 million
Coordinates: 43.500, -88.770

Hail, Grant

When: June 17, 7:00 PM CST
Where: Grant County
Measured: 1.75 in hail
Coordinates: 42.720, -91.000

Thunderstorm Wind, Washington

When: June 17, 7:33 PM CST
Where: Washington County
Measured: 52 kt (60 mph)
Coordinates: 43.530, -88.100

What these are

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.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

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

The same day elsewhere

Every storm in Wisconsin in 1978 Every state in 1978 This day in weather history The tornado archive for Wisconsin, 1978

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: 10145844, 10145845, 10145846, 10145847, 10145848, 10145849, 10145850.