Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

55°F

13°C

Humidity 54%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Dec 11:56 AM PST
Extended Forecast for

Mount Shasta CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. Northwest wind around 9 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 36. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Fog
    then Sunny

  • Wednesday Night

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

    Low: 34 °F

    Mostly Clear

  • Thursday

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

    High: 61 °F

    Sunny

  • Thursday Night

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

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

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

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 57. Northwest wind around 9 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 36. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Areas of fog before 8am. Otherwise, sunny, with a high near 62. Calm wind.
Wednesday Night
Mostly clear, with a low around 34. Calm wind.
Thursday
Sunny, with a high near 61. Calm wind.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 54.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 35.
Monday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Shasta CA
 41.32°N 122.33°W (Elev. 3547 ft)
9:41 am PST Dec 9, 2025
12pm PST Dec 9, 2025-6pm PST Dec 15, 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