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

62°F

17°C

Humidity 60%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 05 Aug 07:52 AM PDT
Extended Forecast for

14 Miles ESE Illinois Valley OR

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

    Today: Patchy smoke before 2pm. Sunny, with a high near 84. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 84 °F

    Patchy Smoke

  • Tonight

    Tonight: Clear, with a low around 66. West wind 5 to 7 mph becoming calm.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South southeast wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 66. West northwest wind 5 to 8 mph becoming calm.

    Low: 66 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. East wind 5 to 7 mph becoming calm.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before 2pm. Sunny, with a high near 84. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Tonight
Clear, with a low around 66. West wind 5 to 7 mph becoming calm.
Thursday
Sunny, with a high near 83. South southeast wind 5 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Clear, with a low around 66. West northwest wind 5 to 8 mph becoming calm.
Friday
Sunny, with a high near 84. East wind 5 to 7 mph becoming calm.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 74.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Illinois Valley OR
 42.02°N 123.45°W (Elev. 5144 ft)
4:51 am PDT Aug 5, 2026
8am PDT Aug 5, 2026-6pm PDT Aug 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database