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 12%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index99°F (37°C)
Last update 04 Aug 03:52 PM PDT
Extended Forecast for

11 Miles SE Illinois Valley OR

Heat Advisory August 4, 04:30pm until August 6, 11:00pm
Red Flag Warning August 5, 02:00pm until August 5, 09:00pm
Red Flag Warning August 4, 04:30pm until August 4, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
...
  •  
    Heat Advisory August 4, 04:30pm until August 6, 11:00pm
    Red Flag Warning August 4, 04:30pm until August 4, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 68 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 3pm. Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 83 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Clear, with a low around 68. West wind 5 to 10 mph becoming east in the evening.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. East southeast wind 5 to 7 mph becoming light and variable.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67. West wind 5 to 8 mph becoming east after midnight.

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
Patchy smoke after 9pm. Clear, with a low around 68. West northwest wind 6 to 9 mph becoming east southeast after midnight.
Wednesday
Patchy smoke before 3pm. Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Clear, with a low around 68. West wind 5 to 10 mph becoming east in the evening.
Thursday
Sunny, with a high near 82. East southeast wind 5 to 7 mph becoming light and variable.
Thursday Night
Clear, with a low around 67. West wind 5 to 8 mph becoming east after midnight.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 72.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Illinois Valley OR
 42.01°N 123.51°W (Elev. 4459 ft)
2:01 pm PDT Aug 4, 2026
4pm 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