Areas of Extreme Heat and Fire Weather in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

Extreme heat will continue in the interior Northwest into midweek before finally waning. Hot temperatures, dry, gusty winds, and isolated dry thunderstorms will bring critical fire weather. Heavy rain and thunderstorms are expected across portions of the Great Basin, Rockies, and central/southern Plains. An atmospheric river will bring heavy rain and strong winds to southwest Alaska. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

93°F

34°C

Humidity 28%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index91°F (33°C)
Last update 26 Aug 11:52 AM PDT
Extended Forecast for

Cave Junction OR

Red Flag Warning August 26, 01:00pm until August 26, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny and hot, with a high near 99. Light and variable wind.  Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm.  Mostly clear, with a low around 60. Southwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers after 11am.  Sunny, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 93 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 99. Light and variable wind. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 60. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A 10 percent chance of showers after 11am. Sunny, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. Southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 53.
Labor Day
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Cave Junction OR
 42.17°N 123.64°W (Elev. 1398 ft)
10:41 am PDT Aug 26, 2025
12pm PDT Aug 26, 2025-6pm PDT Sep 1, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database