National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

34°F

1°C

Humidity 96%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 16 Jan 10:52 AM PST
Extended Forecast for

16 Miles NE Happy Camp CA

Freezing Fog Advisory January 16, 11:30am until January 16, 12:00pm
Click here for hazard details and duration
Freezing Fog Advisory
  •  
    Freezing Fog Advisory January 16, 11:30am until January 16, 12:00pm

    NOW until 12:00pm Fri

    Freezing Fog Advisory

  • Today

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 62. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. South southeast wind around 8 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South southeast wind 3 to 8 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 62. South southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 50. South southeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 62. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 41. South southeast wind around 8 mph.
Sunday
Mostly sunny, with a high near 57. South southeast wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 38.
M.L.King Day
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of rain. Snow level 4800 feet. Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NE Happy Camp CA
 41.97°N 123.17°W (Elev. 2999 ft)
Last Update:
9:41 am PST Jan 16, 2026
Forecast Valid:
11am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation