Big Horn County weather, town by town
10 places in Big Horn County, Montana, 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 1900 to 2026. Station extremes, not official state records.
Big Horn County Weather Facts
Big Horn County has 10 places on myweatherrock (8 census-designated places, 1 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 112°F at Hardin on July 14, 2002. The coldest night is -53°F at Busby on February 15, 1936. The wettest day brought 5 inches of rain at Yellowtail Dam on May 7, 1988. The biggest single-day snow measured 24.49 inches at Bridger 2 N on April 26, 1984. Those are station measurements from NOAA's daily records, 1900 to 2026, not official state records. By area the largest place is Pryor, about 40 square miles.
About Big Horn County weather
The map on the Now tab shows every Big Horn 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 7 Big Horn County towns with station normals, the warmest month is July, when the day usually reaches 89°F, and the coldest is January, when the night usually falls to 11°F. May is the wettest, with rain on about 9 days. July afternoons run from about 86°F in Wyola to 92°F in Crow Agency. January nights run from about 8°F in Busby to 14°F in Pryor.
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.
Big Horn County weather records
Measured at the NOAA stations serving these towns, daily records 1900 to 2026. Station extremes, not official state records.
Common questions about Big Horn County weather
- What is the hottest temperature recorded at a Big Horn County station?
- 112°F at Hardin on July 14, 2002, in the NOAA daily station records myweatherrock holds (1900 to 2026).
- What is the coldest temperature recorded at a Big Horn County station?
- -53°F at Busby on February 15, 1936.
- What is the most rain a Big Horn County station has measured in one day?
- 5 inches at Yellowtail Dam on May 7, 1988.
- What is the biggest one-day snowfall at a Big Horn County station?
- 24.49 inches at Bridger 2 N on April 26, 1984.
- How many Big Horn County towns have a weather page here?
- 10: 8 census-designated places, 1 cities, 1 towns. 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 Big Horn 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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