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

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

WEST FORK (WSFM8)

Lat: 45.81556°NLon: 114.25833°WElev: 4420.0ft.

NA

41°F

5°C

Humidity 81%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 12 Nov 07:14 PM MST
Extended Forecast for

16 Miles WSW Darby MT

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South southwest wind 7 to 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 3pm. Mostly sunny, with a high near 49. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 38. South southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain before 8am, then rain and snow. Patchy fog after 5pm. Snow level 8500 feet lowering to 6900 feet in the afternoon . High near 39. Southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow and
    Patchy Fog

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 34. West southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Snow Likely
    and Patchy
    Fog

  • Saturday

    Saturday: A chance of snow before 11am, then a chance of rain and snow. Snow level rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow, mainly before 11pm. Snow level 7700 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow, mainly after 11am. Snow level 7300 feet. Partly sunny, with a high near 41.

    High: 41 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely, becoming all snow after 2am. Snow level 7500 feet lowering to 6800 feet after midnight . Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. South southwest wind 7 to 10 mph.
Thursday
A 20 percent chance of rain after 3pm. Mostly sunny, with a high near 49. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Rain. Low around 38. South southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 8am, then rain and snow. Patchy fog after 5pm. Snow level 8500 feet lowering to 6900 feet in the afternoon . High near 39. Southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Snow likely, mainly before 11pm. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 34. West southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A chance of snow before 11am, then a chance of rain and snow. Snow level rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow, mainly before 11pm. Snow level 7700 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow, mainly after 11am. Snow level 7300 feet. Partly sunny, with a high near 41.
Sunday Night
Rain and snow likely, becoming all snow after 2am. Snow level 7500 feet lowering to 6800 feet after midnight . Mostly cloudy, with a low around 29.
Monday
Snow. Cloudy, with a high near 32.
Monday Night
Snow likely. Mostly cloudy, with a low around 23.
Tuesday
A chance of snow. Mostly cloudy, with a high near 27.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A chance of snow. Partly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW Darby MT
 45.93°N 114.48°W (Elev. 6798 ft)
Last Update:
1:02 pm MST Nov 12, 2025
Forecast Valid:
8pm MST Nov 12, 2025-6pm MST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation