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

42°F

6°C

Humidity 95%
Wind Speed ESE 8 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 01 Jan 03:56 PM PST
Extended Forecast for

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: Rain. High near 46. Southeast wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 37. Southeast wind around 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain. Snow level 6700 feet lowering to 6000 feet in the afternoon . High near 46. Southeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain. The rain could be heavy at times. Snow level 6500 feet. Low around 39. Breezy, with a southeast wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 39 °F

    Heavy Rain
    and Breezy

  • Saturday

    Saturday: Rain. Snow level 5900 feet. High near 44. Breezy, with a south southeast wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 44 °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 35.

    Low: 35 °F

    Rain

  • Monday

    Monday: Rain likely, possibly mixed with snow, becoming all rain after 1pm. Snow level 4200 feet. Mostly cloudy, with a high near 40.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

New Year's Day
Rain. High near 46. Southeast wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 37. Southeast wind around 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. Snow level 6700 feet lowering to 6000 feet in the afternoon . High near 46. Southeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. The rain could be heavy at times. Snow level 6500 feet. Low around 39. Breezy, with a southeast wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Saturday
Rain. Snow level 5900 feet. High near 44. Breezy, with a south southeast wind 18 to 26 mph, with gusts as high as 40 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 35.
Monday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Snow level 4200 feet. Mostly cloudy, with a high near 40.
Monday Night
A chance of rain, mixing with snow after 7pm, then gradually ending. Snow level 4200 feet. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain and snow. Snow level 3800 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 43.
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 41.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mt Shasta CA
 41.32°N 122.33°W (Elev. 3547 ft)
Last Update:
3:41 pm PST Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation