Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

102°F

39°C

Humidity 13%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index97°F (36°C)
Last update 05 Aug 02:52 PM PDT
Extended Forecast for

13 Miles ESE Illinois Valley OR

Heat Advisory August 5, 03:33pm until August 6, 11:00pm
Red Flag Warning until August 5, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory August 5, 03:33pm until August 6, 11:00pm
    Red Flag Warning until August 5, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Widespread haze after 11pm. Clear, with a low around 67. Light and variable wind becoming southeast 5 to 7 mph in the evening.

    Low: 67 °F

    Haze

  • Thursday

    Thursday: Widespread haze before 1pm. Patchy smoke between 11am and noon. Sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 84 °F

    Haze

  • Thursday Night

    Thursday Night: Widespread haze after 4am. Clear, with a low around 67. West wind 5 to 9 mph becoming light and variable.

    Low: 67 °F

    Clear then
    Haze

  • Friday

    Friday: Sunny, with a high near 85. East southeast wind 5 to 7 mph becoming northwest in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 87. West wind around 10 mph.
Tonight
Widespread haze after 11pm. Clear, with a low around 67. Light and variable wind becoming southeast 5 to 7 mph in the evening.
Thursday
Widespread haze before 1pm. Patchy smoke between 11am and noon. Sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Widespread haze after 4am. Clear, with a low around 67. West wind 5 to 9 mph becoming light and variable.
Friday
Sunny, with a high near 85. East southeast wind 5 to 7 mph becoming northwest in the afternoon.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 78.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 76.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Illinois Valley OR
 42.04°N 123.46°W (Elev. 4413 ft)
2:11 pm PDT Aug 5, 2026
3pm PDT Aug 5, 2026-6pm PDT Aug 12, 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