Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

104°F

40°C

Humidity 14%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index100°F (38°C)
Last update 04 Aug 05:52 PM PDT
Extended Forecast for

16 Miles NNW Cave Junction OR

Heat Advisory August 4, 06:42pm until August 6, 11:00pm
Red Flag Warning August 5, 02:00pm until August 5, 09:00pm
Red Flag Warning August 4, 06:42pm until August 4, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
...
  •  
    Heat Advisory August 4, 06:42pm until August 6, 11:00pm
    Red Flag Warning August 4, 06:42pm until August 4, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 66 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Areas of smoke. Sunny and hot, with a high near 96. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 96 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke. Clear, with a low around 66. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 66 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 65. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Tonight
Patchy smoke. Clear, with a low around 66. Light and variable wind becoming east northeast around 6 mph in the evening.
Wednesday
Areas of smoke. Sunny and hot, with a high near 96. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Wednesday Night
Patchy smoke. Clear, with a low around 66. West wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 96. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 65. West wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 83.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Cave Junction OR
 42.39°N 123.8°W (Elev. 1834 ft)
4:40 pm PDT Aug 4, 2026
6pm PDT Aug 4, 2026-6pm PDT Aug 11, 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