Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

45°F

7°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Last update 09 Dec 05:56 PM PST
Extended Forecast for

Mt Shasta CA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. North northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Light north northwest wind.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Light north wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. North northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 62. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. Light north northwest wind.
Thursday
Sunny, with a high near 60. Calm wind.
Thursday Night
Mostly clear, with a low around 40. Light north wind.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A chance of rain. Partly sunny, with a high near 49.
Monday Night
Rain likely. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Snow level 6900 feet. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Mt Shasta CA
 41.33°N 122.3°W (Elev. 3855 ft)
3:41 pm PST Dec 9, 2025
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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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