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

33°F

1°C

Humidity 99%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 11 Jan 01:52 AM PST
Extended Forecast for

17 Miles SSE Agness OR

Air Stagnation Advisory January 11, 02:37am until January 16, 04:00am
Freezing Fog Advisory until January 11, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 11, 02:37am until January 16, 04:00am
    Freezing Fog Advisory until January 11, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. South southwest wind 3 to 6 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Light south wind.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. East northeast wind 7 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. East wind around 11 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. South southeast wind around 7 mph.
Sunday
Sunny, with a high near 53. South southwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 41. Light south wind.
Monday
Mostly sunny, with a high near 55. East northeast wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 41. East wind around 11 mph.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Clear, with a low around 41.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 59.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
2:16 am PST Jan 11, 2026
2am PST Jan 11, 2026-6pm PST Jan 17, 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