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.

light rain,mist

40°F

4°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 39°F (4°C)
Visibility 1.75 mi
Last update 01 Jan 03:55 AM PST
Extended Forecast for

12 Miles WSW Mount Shasta CA

Winter Storm Watch January 2, 10:00pm until January 4, 10:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Rain. Snow level 8500 feet. Low around 34. Southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain

  • New Year's Day

    New Year's Day: Rain. Snow level 8400 feet lowering to 7800 feet in the afternoon . High near 38. South southeast wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 38 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow, becoming all rain after 2am. Snow level 7300 feet. Steady temperature around 37. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow likely before 10am, then snow. High near 37. South southeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    then Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 33. Breezy, with a southeast wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 33 °F

    Heavy Snow
    and Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 37. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 37 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 33. Breezy. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    Low: 33 °F

    Heavy Snow
    and Breezy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. Cloudy, with a high near 36.

    High: 36 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 30.

    Low: 30 °F

    Heavy Snow

Detailed Forecast

Overnight
Rain. Snow level 8500 feet. Low around 34. Southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. Snow level 8400 feet lowering to 7800 feet in the afternoon . High near 38. South southeast wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain, possibly mixed with snow, becoming all rain after 2am. Snow level 7300 feet. Steady temperature around 37. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain and snow likely before 10am, then snow. High near 37. South southeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow. The snow could be heavy at times. Low around 33. Breezy, with a southeast wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 37. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 33. Breezy. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Sunday
Snow. The snow could be heavy at times. Cloudy, with a high near 36.
Sunday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 30.
Monday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 33.
Monday Night
Snow likely. Mostly cloudy, with a low around 27.
Tuesday
A chance of snow. Partly sunny, with a high near 35.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow. Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Mount Shasta CA
 41.21°N 122.51°W (Elev. 6355 ft)
Last Update:
4:41 am PST Jan 1, 2026
Forecast Valid:
4am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation