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

43°F

6°C

Humidity 96%
Wind Speed NA 3 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Last update 01 Jan 02:56 PM PST
Extended Forecast for

2 Miles S Dunsmuir 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 48. East southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 42. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 48. South wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain. The rain could be heavy at times. Low around 42. South southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 42 °F

    Heavy Rain

  • Saturday

    Saturday: Rain. High near 49. South southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. The rain could be heavy at times. Low around 42. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 42 °F

    Heavy Rain

  • Sunday

    Sunday: Rain. Snow level 5200 feet. High near 45. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 45 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 4600 feet. Cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain. Snow level 4200 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain

Detailed Forecast

New Year's Day
Rain. High near 48. East southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 42. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain. High near 48. South wind 6 to 10 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 42. South southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Saturday
Rain. High near 49. South southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Saturday Night
Rain. The rain could be heavy at times. Low around 42. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday
Rain. Snow level 5200 feet. High near 45. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain. Snow level 4600 feet. Cloudy, with a low around 39.
Monday
Rain. Snow level 4200 feet. Mostly cloudy, with a high near 43.
Monday Night
A chance of rain before 4am, then a chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a low around 33.
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 46.
Tuesday Night
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 32.
Wednesday
Rain and snow likely. Snow level 3900 feet. Partly sunny, with a high near 46.
Wednesday Night
Rain and snow likely. Snow level 3400 feet lowering to 2700 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Snow level rising to 2800 feet in the afternoon. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Dunsmuir CA
 41.22°N 122.27°W (Elev. 2533 ft)
Last Update:
3:41 pm PST Jan 1, 2026
Forecast Valid:
3pm PST Jan 1, 2026-6pm PST Jan 8, 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