Flathead County weather, town by town
24 places in Flathead 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 1896 to 2026. Station extremes, not official state records.
Flathead County Weather Facts
Flathead County has 24 places on myweatherrock (21 census-designated places, 3 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 105°F at Kalispell Glacier Ap on August 4, 1961. The coldest night is -53°F at Summit on February 13, 1936. The wettest day brought 7.31 inches of rain at Summit on June 8, 1964. The biggest single-day snow measured 25 inches at Kalispell Glacier Ap on March 20, 1898. Those are station measurements from NOAA's daily records, 1896 to 2026, not official state records. By area the largest place is Niarada, about 49 square miles.
About Flathead County weather
The map on the Now tab shows every Flathead 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 21 Flathead County towns with station normals, the warmest month is July, when the day usually reaches 80°F, and the coldest is January, when the night usually falls to 16°F. January is the wettest, with rain on about 14 days. July afternoons run from about 69°F in Bigfork to 84°F in Niarada. January nights run from about 7°F in Olney to 22°F in Niarada.
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.
Flathead County weather records
Measured at the NOAA stations serving these towns, daily records 1896 to 2026. Station extremes, not official state records.
Common questions about Flathead County weather
- What is the hottest temperature recorded at a Flathead County station?
- 105°F at Kalispell Glacier Ap on August 4, 1961, in the NOAA daily station records myweatherrock holds (1896 to 2026).
- What is the coldest temperature recorded at a Flathead County station?
- -53°F at Summit on February 13, 1936.
- What is the most rain a Flathead County station has measured in one day?
- 7.31 inches at Summit on June 8, 1964.
- What is the biggest one-day snowfall at a Flathead County station?
- 25 inches at Kalispell Glacier Ap on March 20, 1898.
- How many Flathead County towns have a weather page here?
- 24: 21 census-designated places, 3 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 Flathead 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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