Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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 NNW 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 09 Dec 09:29 AM PST
Extended Forecast for

15 Miles NW Williams CA

  • Today

    Today: Widespread haze before noon. Patchy fog before 11am.  Otherwise, sunny, with a high near 49. East wind 3 to 6 mph.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Light west northwest wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Light and variable wind becoming north northeast around 6 mph in the morning.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Widespread haze before noon. Patchy fog before 11am. Otherwise, sunny, with a high near 49. East wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 46. Light west northwest wind.
Wednesday
Sunny, with a high near 60. Light and variable wind becoming northeast around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 63. Light and variable wind becoming north northeast around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 57.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 45.
Monday
A chance of showers. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW Williams CA
 39.3°N 122.35°W (Elev. 358 ft)
1:20 am PST Dec 9, 2025
10am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database