Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

68°F

20°C

Humidity 57%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 20 Jun 08:52 PM PDT
Extended Forecast for

13 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 50. North northeast wind around 9 mph.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. East northeast wind 6 to 10 mph becoming north in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. North wind 11 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. East northeast wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. West northwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 50. North northeast wind around 9 mph.
Sunday
Sunny, with a high near 68. East northeast wind 6 to 10 mph becoming north in the afternoon.
Sunday Night
Clear, with a low around 53. North wind 11 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 74. East northeast wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 62. West northwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WNW Happy Camp CA
 41.86°N 123.61°W (Elev. 5869 ft)
4:40 pm PDT Jun 20, 2026
9pm PDT Jun 20, 2026-6pm PDT Jun 27, 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