Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

92°F

33°C

Humidity 12%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Heat Index88°F (31°C)
Last update 21 Jun 03:52 PM PDT
Extended Forecast for

14 Miles WNW Happy Camp CA

Heat Advisory June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 53. North northwest wind 6 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. Northwest wind around 8 mph becoming northeast after midnight.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Northeast wind 5 to 9 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. West northwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 11pm.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Clear, with a low around 53. North northwest wind 6 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 74. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Monday Night
Clear, with a low around 58. Northwest wind around 8 mph becoming northeast after midnight.
Tuesday
Sunny, with a high near 74. Northeast wind 5 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Clear, with a low around 58. West northwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 67.
Thursday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 56.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Saturday
A slight chance of rain. Snow level 7400 feet. Mostly sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Happy Camp CA
 41.88°N 123.59°W (Elev. 4600 ft)
1:51 pm PDT Jun 21, 2026
4pm PDT Jun 21, 2026-6pm PDT Jun 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database