Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

21°F

-6°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 20 Jan 08:55 PM MST
Extended Forecast for

10 Miles WSW Hamilton MT

  • Tonight

    Tonight: Mostly clear, with a low around 16. West wind around 7 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. West wind 3 to 5 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. West southwest wind 3 to 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 9. North northeast wind around 6 mph.

    Low: 9 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 16. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 33. West wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 17. West southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 29. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 9. North northeast wind around 6 mph.
Friday
Sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 7.
Saturday
Sunny, with a high near 24.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Sunny, with a high near 31.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Monday
A chance of snow. Partly sunny, with a high near 33.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Hamilton MT
 46.22°N 114.36°W (Elev. 5715 ft)
2:06 pm MST Jan 20, 2026
9pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
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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