National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

23°F

-5°C

Humidity 85%
Wind Speed SSE 5 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 29 Dec 05:55 PM MST
Extended Forecast for

Hamilton MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Calm wind becoming southeast around 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Calm wind becoming east around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 22. Light and variable wind becoming south around 6 mph in the evening.

    Low: 22 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41. South wind 3 to 6 mph.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. South wind 3 to 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Calm wind becoming southeast around 5 mph.
Tuesday
Mostly sunny, with a high near 38. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 22. Light and variable wind becoming south around 6 mph in the evening.
Wednesday
Increasing clouds, with a high near 41. South wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 25. South wind 3 to 5 mph.
New Year's Day
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
A chance of rain. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Partly sunny, with a high near 43.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3599 ft)
Last Update:
1:01 pm MST Dec 29, 2025
Forecast Valid:
6pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation