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

14°F

-10°C

Humidity 92%
Wind Speed SE 6 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 21 Jan 02:55 AM MST
Extended Forecast for

Hamilton MT

  • Overnight

    Overnight: Partly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Light and variable wind.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8. North wind around 5 mph becoming calm  in the evening.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 16. Calm wind.
Wednesday
Mostly sunny, with a high near 35. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 16. Calm wind.
Thursday
Mostly sunny, with a high near 32. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 8. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 5.
Saturday
Sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 15.
Monday
A slight chance of snow. Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3599 ft)
2:06 am MST Jan 21, 2026
3am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database