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

73°F

23°C

Humidity 39%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 05 Jul 12:52 AM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 60. East northeast wind around 14 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72. East northeast wind 8 to 13 mph becoming light and variable.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. West wind around 6 mph becoming light and variable.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West wind 5 to 8 mph becoming light and variable in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. East northeast wind around 14 mph.
Sunday
Partly sunny, with a high near 72. East northeast wind 8 to 13 mph becoming light and variable.
Sunday Night
Partly cloudy, with a low around 58. West wind around 6 mph becoming light and variable.
Monday
Sunny, with a high near 69. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. West wind 5 to 8 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 71.
Thursday Night
Clear, with a low around 54.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
Last Update:
1:26 am PDT Jul 5, 2026
Forecast Valid:
1am PDT Jul 5, 2026-6pm PDT Jul 11, 2026
 
Forecast Discussion
 
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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