National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

Rain

39°F

4°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 21 Apr 08:56 AM PDT
Extended Forecast for

Mt Shasta CA

Winter Weather Advisory April 21, 09:32am until April 21, 11:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory April 21, 09:32am until April 21, 11:00am

    NOW until 11:00am Tue

    Winter Weather Advisory

  • Today

    High: 51 °F

    Showers

  • Tonight

    Tonight: Rain and snow before 2am, then a chance of rain. Some thunder is also possible. Snow level 5400 feet lowering to 4200 feet after midnight . Low around 33. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 11am, then a chance of rain. Snow level 4200 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South southeast wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Today
Rain before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. Snow level 5400 feet. High near 51. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow before 2am, then a chance of rain. Some thunder is also possible. Snow level 5400 feet lowering to 4200 feet after midnight . Low around 33. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 11am, then a chance of rain. Snow level 4200 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 31. South southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 38.
Saturday
A slight chance of rain after 11am. Snow level 6400 feet rising to 7200 feet in the afternoon. Sunny, with a high near 66.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Sunday
A slight chance of rain. Snow level 6200 feet rising to 6800 feet in the afternoon. Mostly sunny, with a high near 62.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Snow level 6200 feet rising to 6800 feet in the afternoon. Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mt Shasta CA
 41.32°N 122.33°W (Elev. 3547 ft)
Last Update:
9:01 am PDT Apr 21, 2026
Forecast Valid:
9am PDT Apr 21, 2026-6pm PDT Apr 27, 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