Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 64%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 29 Dec 12:52 PM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. Light east northeast wind.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Widespread fog after 10pm.  Otherwise, mostly clear, with a low around 34. East wind around 6 mph.

    Low: 34 °F

    Fog

  • Tuesday

    Tuesday: Widespread dense fog before noon.  Otherwise, sunny, with a high near 54. East northeast wind 3 to 6 mph.

    High: 54 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread fog after 10pm. Widespread freezing fog after 10pm.  Otherwise, increasing clouds, with a low around 36. East southeast wind around 6 mph.

    Low: 36 °F

    Freezing Fog
    and Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 4pm.  Widespread fog before 11am. Widespread freezing fog before 10am.  Otherwise, partly sunny, with a high near 52. South southeast wind 3 to 5 mph.

    High: 52 °F

    Chance Rain
    and Freezing
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain.  High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Light east northeast wind.
Tonight
Widespread fog after 10pm. Otherwise, mostly clear, with a low around 34. East wind around 6 mph.
Tuesday
Widespread dense fog before noon. Otherwise, sunny, with a high near 54. East northeast wind 3 to 6 mph.
Tuesday Night
Widespread fog after 10pm. Widespread freezing fog after 10pm. Otherwise, increasing clouds, with a low around 36. East southeast wind around 6 mph.
Wednesday
A 30 percent chance of rain, mainly after 4pm. Widespread fog before 11am. Widespread freezing fog before 10am. Otherwise, partly sunny, with a high near 52. South southeast wind 3 to 5 mph.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Mostly cloudy, with a low around 40.
Friday
Rain. Mostly cloudy, with a high near 54.
Friday Night
Rain. Mostly cloudy, with a low around 39.
Saturday
Rain. Snow level 4500 feet. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely. Snow level 4200 feet. Mostly cloudy, with a low around 37.
Sunday
Rain likely. Snow level 4000 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
12:42 pm PST Dec 29, 2025
1pm 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