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.

Overcast

44°F

7°C

Humidity 95%
Wind Speed NA NA MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 01 Jan 07:56 AM PST
Extended Forecast for

Mt Shasta CA

Winter Storm Watch January 2, 10:00pm 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 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 37. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain, mainly after 10am. Snow level 6700 feet lowering to 6100 feet in the afternoon . High near 46. Southeast wind 10 to 14 mph, with gusts as high as 21 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. Snow level 6200 feet. Low around 37. Southeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 37 °F

    Rain

  • Saturday

    Saturday: Rain. Snow level 5900 feet. High near 44. South southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 44 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Snow level 5700 feet. Low around 36. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 36 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 5500 feet. High near 42. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 42 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 5000 feet. Cloudy, with a low around 32.

    Low: 32 °F

    Rain

  • Monday

    Monday: Rain likely. Snow level 4600 feet. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain Likely

Detailed Forecast

New Year's Day
Rain. High near 46. Southeast wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 4am. Low around 37. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly after 10am. Snow level 6700 feet lowering to 6100 feet in the afternoon . High near 46. Southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Snow level 6200 feet. Low around 37. Southeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday
Rain. Snow level 5900 feet. High near 44. South southeast wind 10 to 13 mph, with gusts as high as 20 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 36. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday
Rain. Snow level 5500 feet. High near 42. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Rain. Snow level 5000 feet. Cloudy, with a low around 32.
Monday
Rain likely. Snow level 4600 feet. Mostly cloudy, with a high near 41.
Monday Night
A chance of rain. Snow level 4500 feet. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain and snow. Snow level 4400 feet. Partly sunny, with a high near 43.
Tuesday Night
A slight chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow. Snow level 4000 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 43.
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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:
7:41 am PST Jan 1, 2026
Forecast Valid:
8am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation