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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

38°F

3°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 07 Mar 01:52 AM PST
Extended Forecast for

Illinois Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 38. Light east southeast wind.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the morning.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy dense fog after 11pm. Otherwise, clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of rain before 10am. Snow level 4200 feet. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. Light east southeast wind.
Saturday
Sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the morning.
Saturday Night
Patchy dense fog after 11pm. Otherwise, clear, with a low around 40. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.
Sunday Night
A 30 percent chance of rain after 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 39. Calm wind.
Monday
A 30 percent chance of rain before 10am. Snow level 4200 feet. Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A slight chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Friday
A chance of rain and snow. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
Last Update:
2:06 am PST Mar 7, 2026
Forecast Valid:
2am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation