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

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

Mostly Cloudy

35°F

2°C

Humidity 88%
Wind Speed E 5 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 26 Dec 12:56 AM PST
Extended Forecast for

8 Miles NE Mt Shasta CA

Winter Storm Warning December 26, 01:01am until December 26, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 01:01am until December 26, 04:00pm

    NOW until 4:00pm Fri

    Winter Storm Warning

  • Overnight

    Low: 12 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 14. Wind chill values as low as -12. Windy, with a southwest wind 50 to 60 mph, with gusts as high as 95 mph.  Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    High: 14 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. The snow could be heavy at times.  Mostly cloudy, with a low around 9. Wind chill values as low as -8. Windy, with a west southwest wind 37 to 47 mph decreasing to 26 to 36 mph after midnight. Winds could gust as high as 75 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Windy. Heavy
    Snow then
    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow.  Mostly sunny, with a high near 14. Wind chill values as low as -6. Windy, with a north northwest wind 33 to 36 mph, with gusts as high as 55 mph.

    High: 14 °F

    Slight Chance
    Snow and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 39 mph.

    Low: 7 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 18. Blustery.

    High: 18 °F

    Mostly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 12. Wind chill values as low as -11. Windy, with a south southwest wind around 60 mph, with gusts as high as 90 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 16 to 22 inches possible.
Friday
Snow. The snow could be heavy at times. High near 14. Wind chill values as low as -12. Windy, with a southwest wind 50 to 60 mph, with gusts as high as 95 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Friday Night
Snow likely, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 9. Wind chill values as low as -8. Windy, with a west southwest wind 37 to 47 mph decreasing to 26 to 36 mph after midnight. Winds could gust as high as 75 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 14. Wind chill values as low as -6. Windy, with a north northwest wind 33 to 36 mph, with gusts as high as 55 mph.
Saturday Night
Partly cloudy, with a low around 7. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 39 mph.
Sunday
Mostly sunny, with a high near 18. Blustery.
Sunday Night
Mostly clear, with a low around 12.
Monday
Sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
New Year's Day
Snow likely. Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Mt Shasta CA
 41.4°N 122.23°W (Elev. 10801 ft)
12:41 am PST Dec 26, 2025
1am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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