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

40°F

4°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Last update 09 Dec 08:56 PM PST
Extended Forecast for

5 Miles ENE Mt Shasta CA

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 42. Light and variable wind becoming north northwest 9 to 14 mph after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 52. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. North northwest wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 49. North northwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. North wind 6 to 8 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °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 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 42. Light and variable wind becoming north northwest 9 to 14 mph after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 52. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 40. North northwest wind around 7 mph.
Thursday
Sunny, with a high near 49. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 39. North wind 6 to 8 mph.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 35.
Monday
Rain and snow likely. Partly sunny, with a high near 38.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Tuesday
A chance of snow. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Mt Shasta CA
 41.36°N 122.22°W (Elev. 7644 ft)
3:41 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

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