Yellowstone County weather, town by town
13 places in Yellowstone 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 1894 to 2026. Station extremes, not official state records.
Yellowstone County Weather Facts
Yellowstone County has 13 places on myweatherrock (10 census-designated places, 2 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 115°F at Billings Wfo on July 12, 2026. The coldest night is -53°F at Huntley Exp Stn on February 14, 1936. The wettest day brought 4.68 inches of rain at Billings Wtp on April 17, 1941. The biggest single-day snow measured 23.7 inches at Billings Intl Ap on April 4, 1955. Those are station measurements from NOAA's daily records, 1894 to 2026, not official state records. By area the largest place is Billings, about 46 square miles.
About Yellowstone County weather
The map on the Now tab shows every Yellowstone 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 13 Yellowstone 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 14°F. May is the wettest, with rain on about 11 days. July afternoons run from about 87°F in Acton to 90°F in Laurel. January nights run from about 12°F in Ballantine to 18°F in Acton.
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.
Yellowstone County weather records
Measured at the NOAA stations serving these towns, daily records 1894 to 2026. Station extremes, not official state records.
Common questions about Yellowstone County weather
- What is the hottest temperature recorded at a Yellowstone County station?
- 115°F at Billings Wfo on July 12, 2026, in the NOAA daily station records myweatherrock holds (1894 to 2026).
- What is the coldest temperature recorded at a Yellowstone County station?
- -53°F at Huntley Exp Stn on February 14, 1936.
- What is the most rain a Yellowstone County station has measured in one day?
- 4.68 inches at Billings Wtp on April 17, 1941.
- What is the biggest one-day snowfall at a Yellowstone County station?
- 23.7 inches at Billings Intl Ap on April 4, 1955.
- How many Yellowstone County towns have a weather page here?
- 13: 10 census-designated places, 2 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 Yellowstone 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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