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

44°F

7°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 42°F (6°C)
Visibility 2.50 mi
Last update 01 Jan 01:56 PM PST
Extended Forecast for

Mount 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: Rain. High near 46. East southeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 38. Southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain. Snow level 6700 feet lowering to 6000 feet in the afternoon . High near 46. Southeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain. The rain could be heavy at times. Low around 39. Southeast wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 39 °F

    Heavy Rain

  • Saturday

    Saturday: Rain. Snow level 5900 feet. High near 45. Breezy, with a south southeast wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 45 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Snow level 5700 feet. Low around 38. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 5200 feet. High near 41. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 41 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 4600 feet. Cloudy, with a low around 36.

    Low: 36 °F

    Rain

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 4200 feet. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

Detailed Forecast

New Year's Day
Rain. High near 46. East southeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 38. Southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain. Snow level 6700 feet lowering to 6000 feet in the afternoon . High near 46. Southeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. The rain could be heavy at times. Low around 39. Southeast wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Saturday
Rain. Snow level 5900 feet. High near 45. Breezy, with a south southeast wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain. Snow level 5700 feet. Low around 38. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday
Rain. Snow level 5200 feet. High near 41. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Snow level 4600 feet. Cloudy, with a low around 36.
Monday
Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 4200 feet. Mostly cloudy, with a high near 41.
Monday Night
A chance of rain, possibly mixing with snow after 10pm, then gradually ending. Snow level 4200 feet. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain and snow. Snow level 3900 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 28.
Wednesday
Rain and snow likely. Snow level 3900 feet. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Shasta CA
 41.3°N 122.32°W (Elev. 3415 ft)
Last Update:
2:21 pm PST Jan 1, 2026
Forecast Valid:
2pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation