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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

36°F

2°C

Humidity 93%
Wind Speed SE 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Nov 07:55 PM MST
Extended Forecast for

Corvallis MT

Winter Weather Advisory November 27, 11:00pm until November 28, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain likely before 5am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. South southwest wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all snow after 2pm. High near 38. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Little or no snow accumulation expected.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32. Calm wind.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 10 percent chance of snow after 11pm. Mostly cloudy, with a low around 11. Light north northeast wind.

    Low: 11 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow after 11am. Partly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Rain and snow likely, mainly after 11pm. Cloudy, with a low around 25.

    Low: 25 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Rain likely before 5am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. South southwest wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all snow after 2pm. High near 38. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 32. Calm wind.
Saturday Night
A 10 percent chance of snow after 11pm. Mostly cloudy, with a low around 11. Light north northeast wind.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 16.
Monday
A slight chance of snow after 11am. Partly sunny, with a high near 37.
Monday Night
Rain and snow likely, mainly after 11pm. Cloudy, with a low around 25.
Tuesday
Rain and snow likely, mainly before 11am. Mostly cloudy, with a high near 38.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 22.
Wednesday
A slight chance of snow. Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Corvallis MT
 46.3°N 114.13°W (Elev. 3510 ft)
Last Update:
4:56 pm MST Nov 27, 2025
Forecast Valid:
8pm MST Nov 27, 2025-6pm MST Dec 4, 2025
 
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