Thunderstorm Wind,
- When
- August 21, 7:15 AM CST
- Where
- County
- Coordinates
- 44.430, -92.150
Damaging Winds in Wisconsin, August 21, 1975
11 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 11
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
11 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Trempealeau
- When
- August 21, 7:25 AM CST
- Where
- Trempealeau County
- Coordinates
- 44.370, -91.320
Thunderstorm Wind, Monroe
- When
- August 21, 8:00 AM CST
- Where
- Monroe County
- Coordinates
- 43.980, -90.500
Thunderstorm Wind, Winnebago
- When
- August 21, 9:30 AM CST
- Where
- Winnebago County
- Measured
- 55 kt (63 mph)
- Coordinates
- 44.020, -88.550
Thunderstorm Wind, Fond du Lac
- When
- August 21, 9:35 AM CST
- Where
- Fond du Lac County
- Coordinates
- 43.800, -88.680
Thunderstorm Wind, Fond du Lac
- When
- August 21, 10:20 AM CST
- Where
- Fond du Lac County
- Coordinates
- 43.700, -88.370
Thunderstorm Wind, Manitowoc
- When
- August 21, 10:20 AM CST
- Where
- Manitowoc County
- Coordinates
- 44.080, -87.870
Thunderstorm Wind, Outagamie
- When
- August 21, 10:30 AM CST
- Where
- Outagamie County
- Coordinates
- 44.270, -88.400
Thunderstorm Wind, Fond du Lac
- When
- August 21, 10:40 AM CST
- Where
- Fond du Lac County
- Coordinates
- 43.780, -88.450
Thunderstorm Wind, Calumet
- When
- August 21, 11:00 AM CST
- Where
- Calumet County
- Coordinates
- 44.030, -88.170
Thunderstorm Wind, Sheboygan
- When
- August 21, 11:20 AM CST
- Where
- Sheboygan County
- Coordinates
- 43.750, -87.720
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
More
Every storm in Wisconsin in 1975Every state in 1975This day in weather history
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: 10149388, 10149389, 10149390, 10149391, 10149392, 10149393, 10149394, 10149395, 10149396, 10149397, 10149398.