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

Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 100%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Mar 04:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 53. North northeast wind 7 to 11 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 28. North northeast wind 5 to 9 mph becoming light northeast after midnight.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. North northeast wind 7 to 11 mph.
Tonight
Partly cloudy, with a low around 28. North northeast wind 5 to 9 mph becoming light northeast after midnight.
Tuesday
Partly sunny, with a high near 52. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Wednesday
Partly sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 65.
Friday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Mostly cloudy, with a high near 63.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 66.
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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:
4:41 am PDT Mar 9, 2026
Forecast Valid:
5am PDT Mar 9, 2026-6pm PDT Mar 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation