Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

83°F

28°C

Humidity 35%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index82°F (28°C)
Last update 26 Aug 04:52 PM PDT
Extended Forecast for

7 Miles NNW Cave Junction OR

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Light north wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light north northwest wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. Light north wind.
Friday
Sunny, with a high near 84. Light north northwest wind.
Friday Night
Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Cave Junction OR
 42.27°N 123.7°W (Elev. 2408 ft)
4:40 pm PDT Aug 26, 2026
5pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database