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

59°F

15°C

Humidity 75%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Jun 10:52 PM PDT
Extended Forecast for

12 Miles ENE 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 52. North wind 5 to 10 mph.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57. North wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91. North northeast wind around 6 mph becoming light and variable  in the morning.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. North northeast wind 7 to 11 mph.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 52. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 84. Calm wind becoming north 5 to 9 mph in the afternoon.
Sunday Night
Clear, with a low around 57. North wind 5 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 91. North northeast wind around 6 mph becoming light and variable in the morning.
Monday Night
Clear, with a low around 62. North northeast wind 7 to 11 mph.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ENE Happy Camp CA
 41.89°N 123.14°W (Elev. 3110 ft)
11:26 pm PDT Jun 20, 2026
11pm 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