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

Spring Weather Hazards Across the U.S. Thursday

Gusty winds and low relative humidity will bring critical fire weather to the central and southern Plains and south Texas Thursday. Widespread high winds will continue to impact the interior Northwest, northern Plains, and Upper Midwest Thursday. A storm tracking across the northern Plains, Great Lakes and into the Northeast U.S. will bring heavy snow and gusty winds Thursday into Saturday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

38°F

3°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 12 Mar 03:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Mostly sunny, with a high near 61. South southwest wind 3 to 5 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Southwest wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 45. South southwest wind 6 to 8 mph.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 59. South southwest wind around 6 mph becoming light and variable in the morning.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. South southwest wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 41. Southwest wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Friday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 45. South southwest wind 6 to 8 mph.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 59. South southwest wind around 6 mph becoming light and variable in the morning.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 78.
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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:
3:56 am PDT Mar 12, 2026
Forecast Valid:
4am PDT Mar 12, 2026-6pm PDT Mar 18, 2026
 
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Additional Resources

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Chance of Precipitation