Thunderstorm Wind, Eau Claire
- When
- August 12, 4:22 PM CST
- Where
- Eau Claire County
- Coordinates
- 44.700, -91.280
Tornadoes and Hail in Wisconsin, August 12, 1985
18 thunderstorm wind, 5 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
The toll
- Deaths
- 2
- Injuries
- 36
- Property damage
- $30 million
- Crop damage
- None recorded
- Events
- 24
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
18 thunderstorm wind, 5 tornado, 1 hail. Local standard time, as filed.
Thunderstorm Wind, La Crosse
- When
- August 12, 5:30 PM CST
- Where
- La Crosse County
- Coordinates
- 43.900, -91.130
Hail, Vernon
- When
- August 12, 5:40 PM CST
- Where
- Vernon County
- Measured
- 1 in hail
- Coordinates
- 43.600, -90.830
Tornado, Clark
- When
- August 12, 5:55 PM CST
- Where
- Clark County
- Rating
- F1
- Path length
- 1.2 mi
- Path width
- 150 yd
- Coordinates
- 44.470, -90.470
Thunderstorm Wind, Crawford
- When
- August 12, 6:10 PM CST
- Where
- Crawford County
- Coordinates
- 43.170, -91.030
Tornado, Wood
- When
- August 12, 6:13 PM CST
- Where
- Wood County
- Rating
- F2
- Path length
- 10 mi
- Path width
- 880 yd
- Injuries
- 14 direct, 0 indirect
- Property damage
- $25 million
- Coordinates
- 44.570, -90.170
Thunderstorm Wind, Crawford
- When
- August 12, 6:30 PM CST
- Where
- Crawford County
- Coordinates
- 43.170, -91.220
Tornado, Monroe
- When
- August 12, 6:35 PM CST
- Where
- Monroe County
- Rating
- F2
- Path length
- 5 mi
- Path width
- 880 yd
- Property damage
- $2.5 million
- Coordinates
- 43.780, -90.370
Tornado, Juneau
- When
- August 12, 6:40 PM CST
- Where
- Juneau County
- Rating
- F2
- Path length
- 17 mi
- Path width
- 880 yd
- Deaths
- 2 direct, 0 indirect
- Injuries
- 22 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 43.830, -90.300
Thunderstorm Wind, Crawford
- When
- August 12, 6:45 PM CST
- Where
- Crawford County
- Coordinates
- 43.250, -90.970
Thunderstorm Wind, Marathon
- When
- August 12, 7:05 PM CST
- Where
- Marathon County
- Coordinates
- 44.870, -89.780
Thunderstorm Wind, Adams
- When
- August 12, 7:20 PM CST
- Where
- Adams County
- Coordinates
- 43.970, -89.770
Tornado, Waushara
- When
- August 12, 7:30 PM CST
- Where
- Waushara County
- Rating
- F0
- Path length
- 0.5 mi
- Path width
- 100 yd
- Property damage
- $250,000
- Coordinates
- 44.030, -89.430
Thunderstorm Wind, Portage
- When
- August 12, 7:30 PM CST
- Where
- Portage County
- Coordinates
- 44.270, -89.400
Thunderstorm Wind, Portage
- When
- August 12, 7:30 PM CST
- Where
- Portage County
- Coordinates
- 44.450, -89.500
Thunderstorm Wind, Iowa
- When
- August 12, 7:45 PM CST
- Where
- Iowa County
- Coordinates
- 43.000, -90.150
Thunderstorm Wind, Portage
- When
- August 12, 7:50 PM CST
- Where
- Portage County
- Coordinates
- 44.450, -89.500
Thunderstorm Wind, Sauk
- When
- August 12, 7:50 PM CST
- Where
- Sauk County
- Coordinates
- 43.430, -89.930
Thunderstorm Wind, Waupaca
- When
- August 12, 8:15 PM CST
- Where
- Waupaca County
- Coordinates
- 44.450, -88.970
Thunderstorm Wind, Waupaca
- When
- August 12, 8:30 PM CST
- Where
- Waupaca County
- Coordinates
- 44.450, -88.970
Thunderstorm Wind, Outagamie
- When
- August 12, 8:30 PM CST
- Where
- Outagamie County
- Coordinates
- 44.400, -88.480
Thunderstorm Wind, Columbia
- When
- August 12, 9:00 PM CST
- Where
- Columbia County
- Coordinates
- 43.470, -89.330
Thunderstorm Wind, Dane
- When
- August 12, 9:10 PM CST
- Where
- Dane County
- Measured
- 54 kt (62 mph)
- Coordinates
- 43.130, -89.430
Thunderstorm Wind, Milwaukee
- When
- August 12, 10:45 PM CST
- Where
- Milwaukee County
- Measured
- 50 kt (58 mph)
- Coordinates
- 43.000, -87.980
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
- Tornadoes and Damaging Winds in South Dakota, August 12, 1985
- Damaging Winds in Iowa, August 12, 1985
- Damaging Winds in Kansas, August 12, 1985
- Damaging Winds in Illinois, August 12, 1985
- Damaging Wind in Florida, August 12, 1985
- Damaging Wind in Missouri, August 12, 1985
- Damaging Wind in Oklahoma, August 12, 1985
More
Every storm in Wisconsin in 1985Every state in 1985This day in weather historyThe tornado archive for Wisconsin, 1985
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: 10159107, 10159108, 10159109, 10159110, 10159111, 10159112, 10159113, 10159114, 10159115, 10159116, 10159117, 10159118, 10159119, 10159120, 10159121, 10159122, 10159123, 10159124, 10159125, 10159126, 10159127, 10159128, 10159129, 10159130.