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

52°F

11°C

Humidity 71%
Wind Speed SSE 20 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Dec 09:55 AM MST
Extended Forecast for

19 Miles WNW Darby MT

Flood Watch until December 11, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 11, 05:00pm

    NOW until 5:00pm Thu

    Flood Watch

  • Today

    High: 35 °F

    Rain and
    Breezy

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of rain and snow after midnight.  Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 44 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow.  Snow level 8800 feet lowering to 7400 feet in the afternoon . High near 36. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow.  Low around 33. West wind 17 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Snow

  • Friday

    Friday: Snow, mainly before 11am.  High near 35. West southwest wind 14 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow then
    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am.  Mostly sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Today
Rain, mainly before 1pm. High near 35. Breezy, with a west southwest wind around 22 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
A chance of rain before 11pm, then a chance of rain and snow after midnight. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow. Snow level 8800 feet lowering to 7400 feet in the afternoon . High near 36. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 33. West wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday
Snow, mainly before 11am. High near 35. West southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 28.
Saturday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A chance of snow, mainly after 11am. Mostly sunny, with a high near 35.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Monday
A chance of snow. Partly sunny, with a high near 34.
Monday Night
Snow. Mostly cloudy, with a low around 29.
Tuesday
Snow. Cloudy, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles WNW Darby MT
 46.14°N 114.52°W (Elev. 7270 ft)
1:02 am MST Dec 10, 2025
10am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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