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 >

Hazardous Weather Conditions

Current conditions at

MOCCASIN (MSCM8)

Lat: 47.05818°NLon: 109.95082°WElev: 4256.0ft.

NA

27°F

-3°C

Humidity 91%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 24 Dec 07:00 PM MST
Extended Forecast for

7 Miles ENE Moccasin MT

Dense Fog Advisory December 24, 10:22pm until December 24, 11:00pm
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 24, 10:22pm until December 24, 11:00pm

    NOW until 11:00pm Wed

    Dense Fog Advisory

  • Tonight

    Low: 22 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 52. South southwest wind around 8 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. South wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. South southwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. North northwest wind 16 to 21 mph, with gusts as high as 30 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -3. West wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: -3 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 32. South southwest wind around 5 mph.

    High: 32 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. South wind around 9 mph.
Christmas Day
Mostly sunny, with a high near 52. South southwest wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 33. South wind 10 to 13 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 49. South southwest wind 14 to 18 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 11. Southwest wind around 14 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 19. North northwest wind 16 to 21 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around -3. West wind 6 to 16 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 32. South southwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Moccasin MT
 47.1°N 109.78°W (Elev. 3904 ft)
Last Update:
9:43 pm MST Dec 24, 2025
Forecast Valid:
10pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
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