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 >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 73%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 09 Jan 03:52 PM PST
Extended Forecast for

17 Miles SSE Agness OR

Air Stagnation Advisory January 9, 04:44pm until January 11, 10:00am
Freezing Fog Advisory January 9, 10:00pm until January 10, 08:00am
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 9, 04:44pm until January 11, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • Tonight

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 49. South wind 6 to 9 mph.

    High: 49 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. South southeast wind around 8 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. South wind 6 to 8 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. East southeast wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. South southeast wind around 7 mph.
Saturday
Mostly cloudy, with a high near 49. South wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 40. South southeast wind around 8 mph.
Sunday
Mostly sunny, with a high near 52. South wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 39. East southeast wind around 7 mph.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 40.
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 43.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
Last Update:
3:41 pm PST Jan 9, 2026
Forecast Valid:
4pm PST Jan 9, 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