Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

28°F

-2°C

Humidity 94%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 29 Dec 12:26 AM PST
Extended Forecast for

22 Miles WNW Williams CA

  • Overnight

    Overnight: Mostly clear, with a low around 33. North northwest wind around 8 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. North northwest wind around 7 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 36. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 58 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Northwest wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 33. North northwest wind around 8 mph.
Monday
Sunny, with a high near 59. North northwest wind around 7 mph.
Monday Night
Clear, with a low around 36. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming north northeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 40. Northwest wind 3 to 5 mph.
Wednesday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 56.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
New Year's Day
Rain. Mostly cloudy, with a high near 53.
Thursday Night
Rain. Mostly cloudy, with a low around 41.
Friday
Rain. Mostly cloudy, with a high near 55.
Friday Night
Rain likely. Mostly cloudy, with a low around 42.
Saturday
Rain likely. Mostly cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 40.
Sunday
Rain likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles WNW Williams CA
 39.3°N 122.49°W (Elev. 1253 ft)
1:21 am PST Dec 29, 2025
1am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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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