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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

46°F

8°C

Humidity 49%
Wind Speed NW 12 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 09 Dec 02:55 PM MST
Extended Forecast for

7 Miles W Hamilton MT

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times. Temperature falling to near 26 by 10pm, then rising to around 34 during the remainder of the night. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

    Low: 26 °F⇑

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 8am. High near 37. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F

    Breezy.
    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 26 to 31 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Windy. Rain
    Likely then
    Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow. High near 36. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow. Low around 34. West wind 18 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 34 °F

    Snow

  • Friday

    Friday: Snow likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 30. Breezy. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A chance of snow, mainly before 11am. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Temperature falling to near 26 by 10pm, then rising to around 34 during the remainder of the night. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 8am. High near 37. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 26 to 31 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Rain and snow. High near 36. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 34. West wind 18 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 30. Breezy. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow, mainly before 11am. Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
A chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30.
Monday
A chance of snow. Partly sunny, with a high near 35.
Monday Night
Snow likely. Mostly cloudy, with a low around 31. Breezy.
Tuesday
Snow. Mostly cloudy, with a high near 32. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Hamilton MT
 46.27°N 114.3°W (Elev. 7018 ft)
Last Update:
2:21 pm MST Dec 9, 2025
Forecast Valid:
3pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation