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

95°F

35°C

Humidity 18%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index91°F (33°C)
Last update 04 Aug 07:52 PM PDT
Extended Forecast for

13 Miles S Agness OR

Heat Advisory August 4, 08:59pm until August 6, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 08:59pm until August 6, 11:00pm

    NOW until 11:00pm Thu

    Heat Advisory

  • Tonight

    Low: 65 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke. Sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 91 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke. Clear, with a low around 64. South wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. West wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Tonight
Areas of smoke. Clear, with a low around 65. North northwest wind 3 to 6 mph.
Wednesday
Areas of smoke. Sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Patchy smoke. Clear, with a low around 64. South wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 81.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles S Agness OR
 42.37°N 124.03°W (Elev. 2205 ft)
4:40 pm PDT Aug 4, 2026
8pm 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