National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

90°F

32°C

Humidity 17%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index86°F (30°C)
Last update 25 Aug 03:52 PM PDT
Extended Forecast for

19 Miles NE Happy Camp CA

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Happy Camp CA
 42.02°N 123.15°W (Elev. 2165 ft)
Last Update:
4:40 pm PDT Aug 25, 2026
Forecast Valid:
4pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation