Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

57°F

14°C

Humidity 67%
Wind Speed N 9 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 01 Jul 01:52 AM PDT
Extended Forecast for

16 Miles NNE Happy Camp CA

  • Overnight

    Overnight: Partly cloudy, with a low around 43. North northeast wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 64. North northeast wind 7 to 11 mph.

    High: 64 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 69. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 69 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. North wind 6 to 11 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. North northeast wind around 7 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 64. North northeast wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 45. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Increasing clouds, with a high near 69. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 48. North wind 6 to 11 mph.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 53.
Independence Day
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Happy Camp CA
 41.99°N 123.2°W (Elev. 4199 ft)
12:11 am PDT Jul 1, 2026
2am PDT Jul 1, 2026-6pm PDT Jul 7, 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