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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

86°F

30°C

Humidity 14%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index83°F (28°C)
Last update 17 Jun 07:52 PM PDT
Extended Forecast for

13 Miles ESE Illinois Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. North wind 9 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 75. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.

    High: 75 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 67. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. West northwest wind 5 to 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. North wind 9 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Juneteenth
Increasing clouds, with a high near 67. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. West northwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 65.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 69.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 73.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Illinois Valley OR
 42.02°N 123.45°W (Elev. 5144 ft)
Last Update:
4:40 pm PDT Jun 17, 2026
Forecast Valid:
8pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
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Additional Resources

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Chance of Precipitation