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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Shasta (KMHS)

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

Mist

44°F

7°C

Humidity 95%
Wind Speed NA 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 43°F (6°C)
Visibility 2.50 mi
Wind Chill42°F (6°C)
Last update 01 Jan 12:56 PM PST
Extended Forecast for

9 Miles ENE Mt Shasta CA

Winter Storm Watch January 3, 04:00pm until January 4, 10:00pm
Click here for hazard details and duration
Winter Storm Watch

  • New Year's Day

    New Year's Day: Snow. The snow could be heavy at times. High near 30. Windy, with a south southwest wind around 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.

    High: 30 °F

    Heavy Snow
    and Windy

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 26. Windy, with a south southwest wind 31 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 7 to 11 inches possible.

    Low: 26 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. Temperature falling to around 25 by 1pm. Windy, with a south wind 26 to 36 mph increasing to 36 to 46 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 28 °F⇓

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 24. Windy, with a south wind 48 to 55 mph, with gusts as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

    Low: 24 °F

    Heavy Snow
    and Windy

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 27. Windy, with a south wind 46 to 51 mph increasing to 50 to 55 mph in the morning. Winds could gust as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 27 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 23. Windy. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    Low: 23 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 25. Windy. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    High: 25 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 17. Windy.

    Low: 17 °F

    Heavy Snow
    and Windy

  • Monday

    Monday: Snow, mainly before 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 23. Windy.

    High: 23 °F

    Heavy Snow
    and Windy

Detailed Forecast

New Year's Day
Snow. The snow could be heavy at times. High near 30. Windy, with a south southwest wind around 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 26. Windy, with a south southwest wind 31 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 7 to 11 inches possible.
Friday
Snow. The snow could be heavy at times. Temperature falling to around 25 by 1pm. Windy, with a south wind 26 to 36 mph increasing to 36 to 46 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 24. Windy, with a south wind 48 to 55 mph, with gusts as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 27. Windy, with a south wind 46 to 51 mph increasing to 50 to 55 mph in the morning. Winds could gust as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 23. Windy. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 25. Windy. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 17. Windy.
Monday
Snow, mainly before 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 23. Windy.
Monday Night
A chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21. Breezy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 25.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Wednesday
Snow likely. Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Mt Shasta CA
 41.39°N 122.17°W (Elev. 9199 ft)
Last Update:
11:46 am PST Jan 1, 2026
Forecast Valid:
1pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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