Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 13 Jan 10:52 AM PST
Extended Forecast for

11 Miles NNE Happy Camp CA

Freezing Fog Advisory January 13, 12:00pm until January 13, 12:00pm
Click here for hazard details and duration
...
  •  
    Freezing Fog Advisory January 13, 12:00pm until January 13, 12:00pm

    NOW until 12:00pm Tue

    Freezing Fog Advisory

  • This Afternoon

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. South wind 5 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36. East northeast wind around 11 mph.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 51. East wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 43. South wind 5 to 7 mph.
Wednesday
Sunny, with a high near 53. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 36. East northeast wind around 11 mph.
Thursday
Sunny, with a high near 51. East wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 35.
Friday
Sunny, with a high near 51.
Friday Night
Clear, with a low around 36.
Saturday
Sunny, with a high near 52.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 37.
M.L.King Day
Sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
3:41 am PST Jan 13, 2026
12pm PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database