Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

57°F

14°C

Humidity 44%
Wind Speed S 14 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Dec 07:55 PM MST
Extended Forecast for

14 Miles ENE Darby MT

  • Tonight

    Tonight: A chance of rain and snow, mainly after 5am.  Mostly cloudy, with a low around 33. Southwest wind 18 to 20 mph, with gusts as high as 46 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all snow after 4pm.  High near 35. Southwest wind 13 to 18 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 33. West southwest wind 10 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 36. West southwest wind around 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 36 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow, mainly after 5am. Mostly cloudy, with a low around 33. Southwest wind 18 to 20 mph, with gusts as high as 46 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all snow after 4pm. High near 35. Southwest wind 13 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 33. West southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 36. West southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 33 mph.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
A chance of snow after 11am. Partly sunny, with a high near 38.
Monday Night
Snow likely. Mostly cloudy, with a low around 31.
Tuesday
Snow. Mostly cloudy, with a high near 33.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 27.
Wednesday
Snow likely. Mostly cloudy, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ENE Darby MT
 46.09°N 113.9°W (Elev. 7303 ft)
1:02 pm MST Dec 10, 2025
8pm MST Dec 10, 2025-6pm MST Dec 17, 2025
 
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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