Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

77°F

25°C

Humidity 38%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 17 Aug 09:52 PM PDT
Extended Forecast for

6 Miles ENE Happy Camp CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northwest wind around 7 mph becoming east northeast in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. North wind 6 to 9 mph becoming east northeast after midnight.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 95. East northeast wind 5 to 8 mph becoming calm.

    High: 95 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Northwest wind 5 to 9 mph becoming northeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. North northwest wind around 7 mph becoming east northeast in the evening.
Tuesday
Sunny, with a high near 94. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 53. North wind 6 to 9 mph becoming east northeast after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 95. East northeast wind 5 to 8 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 54. Northwest wind 5 to 9 mph becoming northeast after midnight.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 91.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Happy Camp CA
 41.85°N 123.25°W (Elev. 2999 ft)
4:40 pm PDT Aug 17, 2026
10pm PDT Aug 17, 2026-6pm PDT Aug 24, 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