Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

85°F

29°C

Humidity 19%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index82°F (28°C)
Last update 02 Aug 05:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

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

    Tonight: Clear, with a low around 56. Breezy, with a north northeast wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 44 mph.

    Low: 56 °F

    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 77. Breezy, with an east northeast wind 23 to 28 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 77 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Patchy smoke. Mostly clear, with a low around 65. Breezy, with an east northeast wind 15 to 22 mph, with gusts as high as 33 mph.

    Low: 65 °F

    Patchy Smoke
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 86. East northeast wind 13 to 18 mph becoming east northeast 5 to 10 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. West wind 5 to 10 mph becoming east northeast after midnight.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 56. Breezy, with a north northeast wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 44 mph.
Monday
Sunny, with a high near 77. Breezy, with an east northeast wind 23 to 28 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 41 mph.
Monday Night
Patchy smoke. Mostly clear, with a low around 65. Breezy, with an east northeast wind 15 to 22 mph, with gusts as high as 33 mph.
Tuesday
Sunny, with a high near 86. East northeast wind 13 to 18 mph becoming east northeast 5 to 10 mph in the afternoon.
Tuesday Night
Clear, with a low around 67. West wind 5 to 10 mph becoming east northeast after midnight.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 65.
Thursday
Sunny, with a high near 78.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 77.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
4:40 pm PDT Aug 2, 2026
6pm PDT Aug 2, 2026-6pm PDT Aug 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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