Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

82°F

28°C

Humidity 28%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index80°F (27°C)
Last update 22 Aug 12:52 PM PDT
Extended Forecast for

5 Miles NNW Cave Junction OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. West wind around 8 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Northeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northeast wind around 6 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

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

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. West wind around 8 mph.
Tonight
Mostly clear, with a low around 50. Light and variable wind.
Sunday
Sunny, with a high near 86. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 55. Northeast wind around 6 mph.
Monday
Sunny, with a high near 90. Light and variable wind.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.67°W (Elev. 3409 ft)
11:26 am PDT Aug 22, 2026
1pm PDT Aug 22, 2026-6pm PDT Aug 28, 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