Rosebud County weather, town by town
6 places in Rosebud 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 1907 to 2026. Station extremes, not official state records.
Rosebud County Weather Facts
Rosebud County has 6 places on myweatherrock (4 census-designated places, 2 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 114°F at Brandenberg on July 12, 2026. The coldest night is -53°F at Busby on February 15, 1936. The wettest day brought 3.77 inches of rain at Colstrip on June 17, 1944. The biggest single-day snow measured 17.99 inches at Busby on March 28, 2007. Those are station measurements from NOAA's daily records, 1907 to 2026, not official state records. By area the largest place is Lame Deer, about 56 square miles.
About Rosebud County weather
The map on the Now tab shows every Rosebud 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 6 Rosebud County towns with station normals, the warmest month is July, when the day usually reaches 88°F, and the coldest is January, when the night usually falls to 10°F. May is the wettest, with rain on about 11 days. July afternoons run from about 85°F in Colstrip to 90°F in Ashland. January nights run from about 8°F in Birney to 14°F in Colstrip.
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.
Rosebud County weather records
Measured at the NOAA stations serving these towns, daily records 1907 to 2026. Station extremes, not official state records.
Common questions about Rosebud County weather
- What is the hottest temperature recorded at a Rosebud County station?
- 114°F at Brandenberg on July 12, 2026, in the NOAA daily station records myweatherrock holds (1907 to 2026).
- What is the coldest temperature recorded at a Rosebud County station?
- -53°F at Busby on February 15, 1936.
- What is the most rain a Rosebud County station has measured in one day?
- 3.77 inches at Colstrip on June 17, 1944.
- What is the biggest one-day snowfall at a Rosebud County station?
- 17.99 inches at Busby on March 28, 2007.
- How many Rosebud County towns have a weather page here?
- 6: 4 census-designated places, 2 cities. 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 Rosebud 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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