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

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

40°F

4°C

Humidity 75%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 28 Dec 10:52 AM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

  • Today

    Today: Sunny, with a high near 49. East wind 3 to 5 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Widespread freezing fog after 10pm. Mostly clear, with a low around 31. East northeast wind 5 to 8 mph.

    Low: 31 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Sunny, with a high near 53. East wind 3 to 8 mph.

    High: 53 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 34. East southeast wind around 6 mph.

    Low: 34 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 57. Light east southeast wind.

    High: 57 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain, mainly after 10am.  Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 49. East wind 3 to 5 mph.
Tonight
Widespread freezing fog after 10pm. Mostly clear, with a low around 31. East northeast wind 5 to 8 mph.
Monday
Widespread freezing fog before 11am. Sunny, with a high near 53. East wind 3 to 8 mph.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 34. East southeast wind around 6 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 57. Light east southeast wind.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 37.
New Year's Day
A chance of rain, mainly after 10am. Partly sunny, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain and snow. Snow level 4600 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Snow level 3700 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
9:41 am PST Dec 28, 2025
11am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database