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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

67°F

19°C

Humidity 45%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 01 Aug 03:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Overnight

    Overnight: Clear, with a low around 61. North northwest wind around 5 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. North northwest wind 5 to 7 mph becoming calm.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 64. North northwest wind 5 to 13 mph.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 65. West southwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. Calm wind becoming northeast around 6 mph in the morning.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 61. North northwest wind around 5 mph.
Saturday
Sunny and hot, with a high near 102. North northwest wind 5 to 7 mph becoming calm.
Saturday Night
Clear, with a low around 64. North northwest wind 5 to 13 mph.
Sunday
Sunny and hot, with a high near 102. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Clear, with a low around 65. West southwest wind 6 to 11 mph becoming light and variable after midnight.
Monday
Sunny and hot, with a high near 103. Calm wind becoming northeast around 6 mph in the morning.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 101.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 98.
Thursday Night
Clear, with a low around 60.
Friday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
Last Update:
2:39 am PDT Aug 1, 2026
Forecast Valid:
3am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation