Trempealeau County weather, town by town
17 places in Trempealeau County, Wisconsin, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1908 to 2026. Station extremes, not official state records.
Trempealeau County Weather Facts
Trempealeau County has 17 places on myweatherrock (8 towns, 6 cities, 3 villages), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 110°F at Mondovi on July 14, 1936. The coldest night is -45°F at Mondovi on January 30, 1951. The wettest day brought 6.55 inches of rain at Black Rvr Falls Sewage on August 8, 2009. The biggest single-day snow measured 17.99 inches at Trempealeau Dam 6 on February 24, 2007. Those are station measurements from NOAA's daily records, 1908 to 2026, not official state records. By area the largest place is Ettrick, about 77 square miles.
About Trempealeau County weather
The map on the Now tab shows every Trempealeau County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 17 Trempealeau County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is January, when the night usually falls to 8°F. May is the wettest, with rain on about 12 days. July afternoons run from about 82°F in Blair to 85°F in Burnside. January nights run from about 5°F in Hale to 10°F in Blair.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Trempealeau County weather records
Measured at the NOAA stations serving these towns, daily records 1908 to 2026. Station extremes, not official state records.
Common questions about Trempealeau County weather
- What is the hottest temperature recorded at a Trempealeau County station?
- 110°F at Mondovi on July 14, 1936, in the NOAA daily station records myweatherrock holds (1908 to 2026).
- What is the coldest temperature recorded at a Trempealeau County station?
- -45°F at Mondovi on January 30, 1951.
- What is the most rain a Trempealeau County station has measured in one day?
- 6.55 inches at Black Rvr Falls Sewage on August 8, 2009.
- What is the biggest one-day snowfall at a Trempealeau County station?
- 17.99 inches at Trempealeau Dam 6 on February 24, 2007.
- How many Trempealeau County towns have a weather page here?
- 17: 8 towns, 6 cities, 3 villages. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Trempealeau County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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