Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

59°F

15°C

Humidity 56%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 03 Aug 05:52 AM PDT
Extended Forecast for

13 Miles WNW Happy Camp CA

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

    Today: Sunny, with a high near 78. East northeast wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. North wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Patchy smoke between 8am and 2pm. Sunny, with a high near 86. East wind 5 to 9 mph becoming light and variable.

    High: 86 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Clear, with a low around 66. West northwest wind 6 to 9 mph becoming east after midnight.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. East wind 5 to 8 mph becoming calm.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. East northeast wind 7 to 14 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 60. North wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday
Patchy smoke between 8am and 2pm. Sunny, with a high near 86. East wind 5 to 9 mph becoming light and variable.
Tuesday Night
Clear, with a low around 66. West northwest wind 6 to 9 mph becoming east after midnight.
Wednesday
Sunny, with a high near 86. East wind 5 to 8 mph becoming calm.
Wednesday Night
Clear, with a low around 65.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 77.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WNW Happy Camp CA
 41.88°N 123.59°W (Elev. 4600 ft)
4:40 am PDT Aug 3, 2026
6am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database