Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

75°F

24°C

Humidity 34%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 03 Aug 10:52 AM PDT
Extended Forecast for

17 Miles NNW Cave Junction OR

Heat Advisory August 4, 11:00am until August 6, 11:00pm
Red Flag Warning August 3, 02:00pm until August 4, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  • Today

    Today: Sunny, with a high near 85. Northeast wind around 11 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke after 9pm. Clear, with a low around 61. North northeast wind 8 to 10 mph.

    Low: 61 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke. Sunny and hot, with a high near 98. East northeast wind around 7 mph becoming north in the afternoon.

    High: 98 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68. Northeast wind 3 to 7 mph.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Northeast wind around 11 mph.
Tonight
Patchy smoke after 9pm. Clear, with a low around 61. North northeast wind 8 to 10 mph.
Tuesday
Patchy smoke. Sunny and hot, with a high near 98. East northeast wind around 7 mph becoming north in the afternoon.
Tuesday Night
Clear, with a low around 68. Northeast wind 3 to 7 mph.
Wednesday
Sunny and hot, with a high near 98. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 94.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Cave Junction OR
 42.39°N 123.8°W (Elev. 1834 ft)
10:40 am PDT Aug 3, 2026
11am PDT Aug 3, 2026-6pm PDT Aug 9, 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