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

33°F

1°C

Humidity 99%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 09 Jan 05:52 AM PST
Extended Forecast for

7 Miles SSE Illinois Valley OR

Air Stagnation Advisory January 9, 10:00am until January 11, 10:00am
Freezing Fog Advisory until January 9, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Freezing Fog Advisory until January 9, 12:00pm

    NOW until 12:00pm Fri

    Freezing Fog Advisory

  • Today

    High: 49 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, partly cloudy, with a low around 37. Light southeast wind.

    Low: 37 °F

    Partly Cloudy
    then Areas
    Freezing Fog
    and Areas Fog

  • Saturday

    Saturday: Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly cloudy, with a high near 50. Light south southeast wind.

    High: 50 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Areas of fog after 10pm. Areas of freezing fog after 1am. Otherwise, mostly cloudy, with a low around 38. Light southeast wind.

    Low: 38 °F

    Areas
    Freezing Fog
    and Areas Fog

  • Sunday

    Sunday: Areas of fog before 11am. Areas of freezing fog before 10am. Otherwise, mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Areas Fog

  • Monday

    Monday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Today
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly sunny, with a high near 49. Light east northeast wind.
Tonight
Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, partly cloudy, with a low around 37. Light southeast wind.
Saturday
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly cloudy, with a high near 50. Light south southeast wind.
Saturday Night
Areas of fog after 10pm. Areas of freezing fog after 1am. Otherwise, mostly cloudy, with a low around 38. Light southeast wind.
Sunday
Areas of fog before 11am. Areas of freezing fog before 10am. Otherwise, mostly sunny, with a high near 54. Calm wind.
Sunday Night
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 38.
Monday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Illinois Valley OR
 42.01°N 123.63°W (Elev. 1798 ft)
Last Update:
3:41 am PST Jan 9, 2026
Forecast Valid:
6am PST Jan 9, 2026-6pm PST Jan 15, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation