National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

STONYFORD (SYWC1)

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

NA

32°F

0°C

Humidity 94%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 05 Dec 07:26 AM PST
Extended Forecast for

12 Miles W Williams CA

Dense Fog Advisory until December 5, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 5, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Today

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 60. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Saturday Night

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

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 59. Calm wind becoming east northeast around 6 mph in the afternoon.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 42. Calm wind.
Saturday
Sunny, with a high near 60. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 44. Calm wind.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Williams CA
 39.14°N 122.36°W (Elev. 981 ft)
Last Update:
1:20 am PST Dec 5, 2025
Forecast Valid:
7am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation