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

41°F

5°C

Humidity 78%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 09 Jan 11:52 AM PST
Extended Forecast for

3 Miles SE Illinois Valley OR

Air Stagnation Advisory until January 11, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 11, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • This Afternoon

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly 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 49. Calm wind.

    High: 49 °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 33. Calm wind.

    Low: 33 °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 53. Calm wind.

    High: 53 °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 33.

    Low: 33 °F

    Areas Fog

  • Monday

    Monday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 55.

    High: 55 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Calm wind.
Tonight
Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Saturday
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly cloudy, with a high near 49. Calm wind.
Saturday Night
Areas of fog after 10pm. Areas of freezing fog after 1am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Sunday
Areas of fog before 11am. Areas of freezing fog before 10am. Otherwise, mostly sunny, with a high near 53. Calm wind.
Sunday Night
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 33.
Monday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
Last Update:
11:16 am PST Jan 9, 2026
Forecast Valid:
12pm PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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