Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

36°F

2°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Nov 07:55 PM MST
Extended Forecast for

20 Miles ENE Darby MT

  • Tonight

    Tonight: Partly cloudy, with a low around 36. South southwest wind 7 to 11 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. South southwest wind 10 to 13 mph, with gusts as high as 31 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 35. South southwest wind 11 to 17 mph, with gusts as high as 36 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: Rain and snow, becoming all snow after 11am.  Patchy fog after 4pm. High near 37. West southwest wind 11 to 17 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    then Snow and
    Patchy Fog

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Patchy fog before 8pm.  Otherwise, mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 28 mph.  New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    and Patchy
    Fog

  • Saturday

    Saturday: A 30 percent chance of snow.  Partly sunny, with a high near 37. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A slight chance of snow after 11am.  Partly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. South southwest wind 7 to 11 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 47. South southwest wind 10 to 13 mph, with gusts as high as 31 mph.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 35. South southwest wind 11 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and snow, becoming all snow after 11am. Patchy fog after 4pm. High near 37. West southwest wind 11 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 37. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Sunday
A slight chance of snow after 11am. Partly sunny, with a high near 39.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27.
Monday
Snow likely. Mostly cloudy, with a high near 30.
Monday Night
A chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A chance of snow. Mostly cloudy, with a high near 25.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Wednesday
A chance of snow. Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ENE Darby MT
 46.1°N 113.78°W (Elev. 7900 ft)
1:02 pm MST Nov 12, 2025
8pm MST Nov 12, 2025-6pm MST Nov 19, 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