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

65°F

18°C

Humidity 64%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 20 Jun 09:52 PM PDT
Extended Forecast for

13 Miles NNE 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 48. North northeast wind 6 to 8 mph.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Northeast wind 6 to 10 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. North wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. East northeast wind 3 to 8 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59. North northwest wind 6 to 10 mph.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 48. North northeast wind 6 to 8 mph.
Sunday
Sunny, with a high near 72. Northeast wind 6 to 10 mph.
Sunday Night
Clear, with a low around 50. North wind 7 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 78. East northeast wind 3 to 8 mph.
Monday Night
Clear, with a low around 59. North northwest wind 6 to 10 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Happy Camp CA
 41.98°N 123.29°W (Elev. 5000 ft)
4:40 pm PDT Jun 20, 2026
10pm 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