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

80°F

27°C

Humidity 32%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index79°F (26°C)
Last update 05 Aug 09:52 AM PDT
Extended Forecast for

9 Miles SW Illinois Valley OR

Heat Advisory August 5, 10:05am 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
  •  
    Heat Advisory August 5, 10:05am until August 6, 11:00pm

    NOW until 11:00pm Thu

    Heat Advisory

  • Today

    High: 88 °F

    Patchy Smoke

  • Tonight

    Tonight: Clear, with a low around 59. West southwest wind 5 to 7 mph becoming light and variable.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Patchy smoke before noon. Sunny, with a high near 86. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Patchy Smoke
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. West wind 5 to 7 mph becoming light and variable.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. East northeast wind 5 to 8 mph becoming light and variable.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Today
Patchy smoke before 1pm. Sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tonight
Clear, with a low around 59. West southwest wind 5 to 7 mph becoming light and variable.
Thursday
Patchy smoke before noon. Sunny, with a high near 86. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 60. West wind 5 to 7 mph becoming light and variable.
Friday
Sunny, with a high near 89. East northeast wind 5 to 8 mph becoming light and variable.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Illinois Valley OR
 42.01°N 123.81°W (Elev. 3225 ft)
4:51 am PDT Aug 5, 2026
10am PDT Aug 5, 2026-6pm PDT Aug 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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