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

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

66°F

19°C

Humidity 46%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 09 Dec 11:26 AM PST
Extended Forecast for

12 Miles W Williams CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Widespread haze after midnight. Mostly clear, with a low around 46. Northwest wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear
    then Haze

  • Wednesday

    Wednesday: Widespread haze before noon. Sunny, with a high near 51. Calm wind becoming east around 6 mph in the afternoon.

    High: 51 °F

    Haze then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 50. Northeast wind around 6 mph.
Tonight
Widespread haze after midnight. Mostly clear, with a low around 46. Northwest wind 3 to 5 mph.
Wednesday
Widespread haze before noon. Sunny, with a high near 51. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 52. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A chance of showers. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Williams CA
 39.14°N 122.36°W (Elev. 981 ft)
11:55 am PST Dec 9, 2025
12pm 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