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

77°F

25°C

Humidity 24%
Wind Speed N 8 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 04 Jul 10:52 PM PDT
Extended Forecast for

5 Miles NNW Cave Junction OR

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind around 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Northeast wind 3 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Light north northeast wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55. West wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °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 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Northeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 86. Northeast wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 57. Light north northeast wind.
Monday
Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Clear, with a low around 55. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.67°W (Elev. 3409 ft)
Last Update:
11:26 pm PDT Jul 4, 2026
Forecast Valid:
11pm PDT Jul 4, 2026-6pm PDT Jul 11, 2026
 
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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