Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

80°F

27°C

Humidity 40%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index80°F (27°C)
Last update 18 Aug 10:52 AM PDT
Extended Forecast for

12 Miles W Happy Camp CA

  • Today

    Today: Sunny, with a high near 74. South southeast wind 5 to 9 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northwest wind 5 to 10 mph becoming north northeast after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 75. Northeast wind 5 to 10 mph becoming west in the morning.

    High: 75 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. West northwest wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 74. South southeast wind 5 to 9 mph becoming northwest in the afternoon.
Tonight
Mostly clear, with a low around 62. Northwest wind 5 to 10 mph becoming north northeast after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 75. Northeast wind 5 to 10 mph becoming west in the morning.
Wednesday Night
Mostly clear, with a low around 63. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 73. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 65.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.77°N 123.59°W (Elev. 5600 ft)
11:28 am PDT Aug 18, 2026
11am PDT Aug 18, 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