Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

30°F

-1°C

Humidity 88%
Wind Speed NNE 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 11 Dec 07:56 AM PST
Extended Forecast for

15 Miles ENE Weed CA

  • Today

    Today: Sunny, with a high near 47. North northwest wind around 10 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. North northeast wind around 9 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. North wind around 7 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. North northeast wind around 7 mph becoming east after midnight.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48. Southeast wind 6 to 8 mph becoming south southwest in the afternoon.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm.  Snow level rising to 9300 feet in the afternoon. Partly sunny, with a high near 40.

    High: 40 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 47. North northwest wind around 10 mph.
Tonight
Mostly clear, with a low around 40. North northeast wind around 9 mph.
Friday
Sunny, with a high near 49. North wind around 7 mph.
Friday Night
Partly cloudy, with a low around 40. North northeast wind around 7 mph becoming east after midnight.
Saturday
Sunny, with a high near 48. Southeast wind 6 to 8 mph becoming south southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Snow level rising to 9300 feet in the afternoon. Partly sunny, with a high near 40.
Monday Night
Rain likely before 10pm, then rain likely, possibly mixed with snow. Snow level 8900 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 36. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 38. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 34. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 37. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Weed CA
 41.53°N 122.15°W (Elev. 7933 ft)
3:40 am PST Dec 11, 2025
8am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database