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

43°F

6°C

Humidity 100%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 03:29 AM PST
Extended Forecast for

15 Miles NW Williams CA

  • Today

    Today: Areas of fog between 7am and 9am.  Otherwise, sunny, with a high near 51. Calm wind becoming northeast around 6 mph.

    High: 51 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Light west northwest wind.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. Calm wind becoming north northeast around 6 mph in the morning.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog between 7am and 9am. Otherwise, sunny, with a high near 51. Calm wind becoming northeast around 6 mph.
Tonight
Partly cloudy, with a low around 42. Light west northwest wind.
Friday
Sunny, with a high near 51. Calm wind becoming north northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 44. Calm wind.
Saturday
Sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 58.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW Williams CA
 39.3°N 122.35°W (Elev. 358 ft)
1:21 am PST Dec 11, 2025
4am 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