Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

27°F

-3°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 19 Jan 05:15 PM MST
Extended Forecast for

15 Miles W Hamilton MT

Air Stagnation Advisory January 19, 05:35pm until January 20, 05:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 05:35pm until January 20, 05:00pm

    NOW until 5:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 27. West wind 6 to 10 mph.

    High: 27 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. Southwest wind 6 to 10 mph.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26. West southwest wind around 8 mph.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14. West southwest wind around 7 mph.

    Low: 14 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. West wind 10 to 13 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 27. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 14. Southwest wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 26. West southwest wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 14. West southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 11.
Saturday
A chance of snow, mainly after 11am. Mostly sunny, with a high near 23.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 15.
Sunday
A chance of snow. Partly sunny, with a high near 25.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
Snow likely. Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W Hamilton MT
 46.25°N 114.46°W (Elev. 6716 ft)
2:06 pm MST Jan 19, 2026
5pm MST Jan 19, 2026-6pm MST Jan 26, 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