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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

36°F

2°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 10 Jan 11:52 AM PST
Extended Forecast for

12 Miles W Happy Camp CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 42. South southeast wind around 7 mph.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 38. South southwest wind around 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Light southeast wind.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Light east southeast wind.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. Northeast wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

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

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 42. South southeast wind around 7 mph.
Tonight
Mostly cloudy, with a steady temperature around 38. South southwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 45. Light southeast wind.
Sunday Night
Partly cloudy, with a low around 34. Light east southeast wind.
Monday
Mostly sunny, with a high near 49. Northeast wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Clear, with a low around 38.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Clear, with a low around 39.
Thursday
Sunny, with a high near 53.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
Last Update:
11:06 am PST Jan 10, 2026
Forecast Valid:
12pm PST Jan 10, 2026-6pm PST Jan 16, 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