National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

70°F

21°C

Humidity 55%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 31 Jul 08:52 AM PDT
Extended Forecast for

5 Miles NE Happy Camp CA

  • Today

    Today: Sunny and hot, with a high near 98. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50. North northeast wind around 10 mph.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Northeast wind 6 to 8 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 98. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 50. North northeast wind around 10 mph.
Sunday
Sunny, with a high near 90. Northeast wind 6 to 8 mph.
Sunday Night
Clear, with a low around 48.
Monday
Sunny and hot, with a high near 98.
Monday Night
Clear, with a low around 53.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Happy Camp CA
 41.86°N 123.29°W (Elev. 2526 ft)
Last Update:
6:46 am PDT Jul 31, 2026
Forecast Valid:
9am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation