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

34°F

1°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 10 Dec 03:56 AM PST
Extended Forecast for

Mount Shasta CA

  • Today

    Today: Areas of fog before 8am.  Otherwise, sunny, with a high near 62. Light northwest wind becoming north northwest 5 to 9 mph in the morning.

    High: 62 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. Northwest wind around 5 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Areas of fog before 8am. Otherwise, sunny, with a high near 62. Light northwest wind becoming north northwest 5 to 9 mph in the morning.
Tonight
Mostly clear, with a low around 36. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 61. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 61. Calm wind.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 56.
Sunday Night
A chance of rain after 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 36.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 50.
Monday Night
Rain likely. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Shasta CA
 41.32°N 122.33°W (Elev. 3547 ft)
3:41 am PST Dec 10, 2025
4am PST Dec 10, 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