Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

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. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

75°F

24°C

Humidity 48%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 27 Aug 10:52 AM PDT
Extended Forecast for

8 Miles NNW Cave Junction OR

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light northeast wind.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. North wind 3 to 6 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind 3 to 7 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 54. West northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, with a high near 81. Light northeast wind.
Friday Night
Mostly clear, with a low around 52. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 76. North wind 3 to 7 mph.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Cave Junction OR
 42.27°N 123.67°W (Elev. 2041 ft)
10:41 am PDT Aug 27, 2026
11am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database