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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. 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 NNW 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 09 Jan 01:52 AM PST
Extended Forecast for

Illinois Valley OR

Air Stagnation Advisory January 9, 10:00am until January 11, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory

  • Overnight

    Overnight: Areas of fog. Areas of freezing fog. Otherwise, mostly cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Areas
    Freezing Fog
    and Areas Fog

  • Friday

    Friday: Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °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. Calm 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 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 54.

    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 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

Overnight
Areas of fog. Areas of freezing fog. Otherwise, mostly cloudy, with a steady temperature around 29. Calm wind.
Friday
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly sunny, with a high near 49. Calm wind.
Friday Night
Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Saturday
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly cloudy, with a high near 50. 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 54.
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 38.
Thursday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
Last Update:
2:21 am PST Jan 9, 2026
Forecast Valid:
2am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation