Broadwater County weather, town by town
7 places in Broadwater 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 1938 to 2026. Station extremes, not official state records.
Broadwater County Weather Facts
Broadwater County has 7 places on myweatherrock (6 census-designated places, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 106°F at Bozeman Gallatin Fld Ap on July 6, 2007. The coldest night is -46°F at Bozeman Gallatin Fld Ap on January 26, 1957. The wettest day brought 2.14 inches of rain at Bozeman Gallatin Fld Ap on June 25, 1969. The biggest single-day snow measured 18.82 inches at Helena Ap Asos on November 11, 1959. Those are station measurements from NOAA's daily records, 1938 to 2026, not official state records. By area the largest place is Wheatland, about 74 square miles.
About Broadwater County weather
The map on the Now tab shows every Broadwater 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 Broadwater County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is December, when the night usually falls to 13°F. June is the wettest, with rain on about 12 days. July afternoons run from about 72°F in Winston to 86°F in Spokane Creek. December nights run from about 9°F in Wheatland to 14°F in Radersburg.
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.
Broadwater County weather records
Measured at the NOAA stations serving these towns, daily records 1938 to 2026. Station extremes, not official state records.
Common questions about Broadwater County weather
- What is the hottest temperature recorded at a Broadwater County station?
- 106°F at Bozeman Gallatin Fld Ap on July 6, 2007, in the NOAA daily station records myweatherrock holds (1938 to 2026).
- What is the coldest temperature recorded at a Broadwater County station?
- -46°F at Bozeman Gallatin Fld Ap on January 26, 1957.
- What is the most rain a Broadwater County station has measured in one day?
- 2.14 inches at Bozeman Gallatin Fld Ap on June 25, 1969.
- What is the biggest one-day snowfall at a Broadwater County station?
- 18.82 inches at Helena Ap Asos on November 11, 1959.
- How many Broadwater County towns have a weather page here?
- 7: 6 census-designated places, 1 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 Broadwater 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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