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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

52°F

11°C

Humidity 55%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 12 Oct 09:52 AM PDT
Extended Forecast for

5 Miles SE Illinois Valley OR

  • Columbus Day

    Columbus Day: Sunny, with a high near 67. North wind 5 to 9 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northeast wind around 6 mph becoming calm after midnight.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 72. Calm wind.

    High: 72 °F

    Areas Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 67. North wind 5 to 9 mph.
Tonight
Mostly clear, with a low around 31. Northeast wind around 6 mph becoming calm after midnight.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 72. Calm wind.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Light and variable wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 77. Light and variable wind.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Illinois Valley OR
 42.03°N 123.63°W (Elev. 1998 ft)
Last Update:
4:41 am PDT Oct 12, 2026
Forecast Valid:
10am PDT Oct 12, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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