Hill County weather, town by town
21 places in Hill 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 1917 to 2026. Station extremes, not official state records.
Hill County Weather Facts
Hill County has 21 places on myweatherrock (19 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 111°F at Havre Ap Asos on August 5, 1961. The coldest night is -52°F at Havre Ap Asos on January 24, 1969. The wettest day brought 5.91 inches of rain at Big Sandy on May 31, 1961. The biggest single-day snow measured 20.98 inches at Warrick 2 Nw on January 11, 2025. Those are station measurements from NOAA's daily records, 1917 to 2026, not official state records. By area the largest place is Rocky Boy's Agency, about 9 square miles.
About Hill County weather
The map on the Now tab shows every Hill 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 Hill County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is January, when the night usually falls to 9°F. June is the wettest, with rain on about 11 days. July afternoons run from about 75°F in Azure to 87°F in Box Elder. January nights run from about 3°F in Gildford Colony to 15°F in Azure.
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.
Hill County weather records
Measured at the NOAA stations serving these towns, daily records 1917 to 2026. Station extremes, not official state records.
Common questions about Hill County weather
- What is the hottest temperature recorded at a Hill County station?
- 111°F at Havre Ap Asos on August 5, 1961, in the NOAA daily station records myweatherrock holds (1917 to 2026).
- What is the coldest temperature recorded at a Hill County station?
- -52°F at Havre Ap Asos on January 24, 1969.
- What is the most rain a Hill County station has measured in one day?
- 5.91 inches at Big Sandy on May 31, 1961.
- What is the biggest one-day snowfall at a Hill County station?
- 20.98 inches at Warrick 2 Nw on January 11, 2025.
- How many Hill County towns have a weather page here?
- 21: 19 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 Hill 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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