Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

37°F

3°C

Humidity 97%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 12 Jan 02:52 PM PST
Extended Forecast for

11 Miles NNE Happy Camp CA

Freezing Fog Advisory January 13, 02:00am until January 13, 11:00am
Click here for hazard details and duration
Freezing Fog Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 39. South wind around 7 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Southwest wind 5 to 7 mph.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39. South wind 5 to 7 mph.

    Low: 39 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 52 °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.

    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

Tonight
Mostly clear, with a low around 39. South wind around 7 mph.
Tuesday
Sunny, with a high near 51. Southwest wind 5 to 7 mph.
Tuesday Night
Clear, with a low around 39. South wind 5 to 7 mph.
Wednesday
Sunny, with a high near 52. 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.
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
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 38.
M.L.King Day
Mostly sunny, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
2:56 pm PST Jan 12, 2026
3pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

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