Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

Lat: 38.86194°NLon: 122.41722°WElev: 2200.0ft.

NA

80°F

27°C

Humidity 24%
Wind Speed N 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 03 Aug 07:09 AM PDT
Extended Forecast for

2 Miles W Hidden Valley Lake CA

Heat Advisory August 3, 11:00am until August 4, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 103. North northeast wind around 7 mph becoming south in the afternoon.

    High: 103 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 66. Southwest wind 6 to 11 mph becoming light and variable  in the evening.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61. South southwest wind 6 to 11 mph becoming light and variable  in the evening.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60. South southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Friday

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

    High: 102 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 103. North northeast wind around 7 mph becoming south in the afternoon.
Tonight
Clear, with a low around 66. Southwest wind 6 to 11 mph becoming light and variable in the evening.
Tuesday
Sunny and hot, with a high near 101. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Tuesday Night
Clear, with a low around 61. South southwest wind 6 to 11 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 98. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 60. South southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Clear, with a low around 64.
Friday
Sunny and hot, with a high near 102.
Friday Night
Clear, with a low around 66.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Clear, with a low around 63.
Sunday
Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hidden Valley Lake CA
 38.81°N 122.57°W (Elev. 1148 ft)
2:16 am PDT Aug 3, 2026
8am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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