Tornadoes and Hail in Wisconsin, July 4, 1986

Name: Tornadoes and Hail in Wisconsin, July 4, 1986
Start: 1986-07-04T02:58
End: 1986-07-04T19:35
Location: Wisconsin

July 4, 1986 · 6 events in 4 counties and zones

3 thunderstorm wind, 2 tornado, 1 hail, 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: $500,000
Crop damage: None recorded
Events: 6

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

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

Thunderstorm Wind, Polk

When: July 4, 2:58 AM CST
Where: Polk County
Coordinates: 45.320, -92.370

Thunderstorm Wind, Rusk

When: July 4, 3:30 AM CST
Where: Rusk County
Coordinates: 45.420, -90.920

Hail, Oneida

When: July 4, 5:55 PM CST
Where: Oneida County
Measured: 1.75 in hail
Coordinates: 45.870, -89.700

Thunderstorm Wind, Polk

When: July 4, 6:00 PM CST
Where: Polk County
Coordinates: 45.250, -92.270

Tornado, Marinette

When: July 4, 7:00 PM CST
Where: Marinette County
Rating: F3
Path length: 8 mi
Path width: 100 yd
Property damage: $250,000
Coordinates: 45.730, -87.770

Tornado, Oneida

When: July 4, 7:35 PM CST
Where: Oneida County
Rating: F2
Path length: 1.5 mi
Path width: 100 yd
Property damage: $250,000
Coordinates: 45.730, -89.630

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 1986 Every state in 1986 This day in weather history The tornado archive for Wisconsin, 1986 Warnings in Wisconsin, July 1986

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: 10160244, 10160245, 10160246, 10160247, 10160248, 10160249.