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

SAC NWR (NWRC1)

Lat: 39.41722°NLon: 122.1825°WElev: 120.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 11 Dec 09:29 AM PST
Extended Forecast for

5 Miles S Willows CA

  • Today

    Today: Areas of dense fog before noon.  Otherwise, mostly sunny, with a high near 47. Calm wind becoming north around 5 mph.

    High: 47 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 3am.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Light north wind.

    High: 48 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 10pm.  Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 47. Calm wind becoming north around 5 mph.
Tonight
Patchy fog before 1am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Light north wind.
Friday Night
Partly cloudy, with a low around 41. Calm wind.
Saturday
Mostly sunny, with a high near 48. Calm wind.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 42.
Monday
Mostly cloudy, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Willows CA
 39.44°N 122.18°W (Elev. 92 ft)
1:21 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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Hourly Weather Forecast

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