Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Mist

36°F

2°C

Humidity 96%
Wind Speed NE 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Last update 08 Dec 08:56 PM PST
Extended Forecast for

Mount Shasta CA

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am.  Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

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

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 58. Calm wind.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 36. Calm wind.
Wednesday
Areas of fog before 8am. Otherwise, sunny, with a high near 61. Calm wind.
Wednesday Night
Mostly clear, with a low around 35. Calm wind.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 52.
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 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Shasta CA
 41.32°N 122.33°W (Elev. 3547 ft)
9:41 pm PST Dec 8, 2025
9pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database