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 >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

86°F

30°C

Humidity 25%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index83°F (28°C)
Last update 04 Aug 08:52 PM PDT
Extended Forecast for

5 Miles SE Agness OR

Heat Advisory August 4, 09:37pm until August 6, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 09:37pm until August 6, 11:00pm

    NOW until 11:00pm Thu

    Heat Advisory

  • Tonight

    Low: 65 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke. Sunny and hot, with a high near 101. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 101 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Areas of smoke. Mostly clear, with a low around 64. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 64 °F

    Areas Smoke

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 63. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 63 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Areas of smoke. Clear, with a low around 65. Light and variable wind.
Wednesday
Areas of smoke. Sunny and hot, with a high near 101. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Areas of smoke. Mostly clear, with a low around 64. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 63. West northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 102.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Agness OR
 42.49°N 124.01°W (Elev. 269 ft)
4:40 pm PDT Aug 4, 2026
9pm 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