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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

WHITE SULPHUR SPRING (WSRM8)

Lat: 46.54308°NLon: 110.9058°WElev: 5060.0ft.

NA

46°F

8°C

Humidity 64%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 24 Dec 10:57 PM MST
Extended Forecast for

3 Miles S White Sulphur Springs MT

  • Tonight

    Tonight: Rain likely, mainly between midnight and 4am. Mostly cloudy, with a low around 35. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly before 7am. Mostly sunny, with a high near 49. South wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow before 5am, then areas of drizzle, snow, and freezing rain. Mostly cloudy, with a low around 33. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then Areas
    Wintry Mix

  • Friday

    Friday: Areas of drizzle, snow, and freezing rain before 11am, then patchy drizzle and snow between 11am and 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 45. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Areas Wintry
    Mix

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 22. Southwest wind 13 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 30. Northwest wind 14 to 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. Northwest wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29. Southwest wind 6 to 8 mph.

    High: 29 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly between midnight and 4am. Mostly cloudy, with a low around 35. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
A 30 percent chance of rain, mainly before 7am. Mostly sunny, with a high near 49. South wind 9 to 11 mph, with gusts as high as 24 mph.
Thursday Night
A chance of rain and snow before 5am, then areas of drizzle, snow, and freezing rain. Mostly cloudy, with a low around 33. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Areas of drizzle, snow, and freezing rain before 11am, then patchy drizzle and snow between 11am and 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 45. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 22. Southwest wind 13 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 30. Northwest wind 14 to 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 1. Northwest wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 29. Southwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 14.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S White Sulphur Springs MT
 46.51°N 110.92°W (Elev. 4993 ft)
Last Update:
10:42 pm MST Dec 24, 2025
Forecast Valid:
11pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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