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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

76°F

24°C

Humidity 51%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Heat Index78°F (26°C)
Last update 04 Jul 09:52 AM PDT
Extended Forecast for

12 Miles ESE Illinois Valley OR

  • Independence Day

    Independence Day: Sunny, with a high near 72. Northwest wind 5 to 9 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. North wind 8 to 10 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 71. East southeast wind 5 to 9 mph becoming northwest in the afternoon.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 62 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 71. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Independence Day
Sunny, with a high near 72. Northwest wind 5 to 9 mph.
Tonight
Increasing clouds, with a low around 59. North wind 8 to 10 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 71. East southeast wind 5 to 9 mph becoming northwest in the afternoon.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northwest wind 6 to 9 mph becoming east northeast after midnight.
Monday
Sunny, with a high near 71. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Illinois Valley OR
 42.01°N 123.48°W (Elev. 5217 ft)
Last Update:
4:41 am PDT Jul 4, 2026
Forecast Valid:
10am PDT Jul 4, 2026-6pm PDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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