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

46°F

8°C

Humidity 76%
Wind Speed NA 4 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Dec 09:56 AM PST
Extended Forecast for

8 Miles SW Weed CA

  • Today

    Today: Sunny, with a temperature rising to near 46 by noon, then falling to around 41 during the remainder of the day. West northwest wind 5 to 8 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Clear, with a temperature rising to around 43 by 5am. North northwest wind 9 to 13 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 47. North northwest wind 6 to 11 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Northwest wind 7 to 10 mph becoming east northeast in the evening.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44. Northeast wind 6 to 9 mph.

    High: 44 °F

    Sunny

  • Saturday Night

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

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then rain likely after 4pm.  Snow level rising to 9400 feet in the afternoon. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Sunny, with a temperature rising to near 46 by noon, then falling to around 41 during the remainder of the day. West northwest wind 5 to 8 mph.
Tonight
Clear, with a temperature rising to around 43 by 5am. North northwest wind 9 to 13 mph.
Friday
Sunny, with a high near 47. North northwest wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 7 to 10 mph becoming east northeast in the evening.
Saturday
Sunny, with a high near 44. Northeast wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then rain likely after 4pm. Snow level rising to 9400 feet in the afternoon. Partly sunny, with a high near 38.
Monday Night
Rain likely before 7pm, then rain and snow likely between 7pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 34. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 37.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 33.
Wednesday
Snow likely. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Weed CA
 41.32°N 122.48°W (Elev. 8799 ft)
10:26 am PST Dec 11, 2025
10am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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