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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

96°F

36°C

Humidity 21%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index93°F (34°C)
Last update 02 Aug 06:09 PM PDT
Extended Forecast for

Hidden Valley Lake CA

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

  • Tonight

    Tonight: Patchy smoke before 2am. Clear, with a low around 65. West southwest wind 5 to 8 mph becoming north northwest in the evening.

    Low: 65 °F

    Patchy Smoke

  • Monday

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

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. South southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Patchy smoke before 2am. Clear, with a low around 65. West southwest wind 5 to 8 mph becoming north northwest in the evening.
Monday
Sunny and hot, with a high near 103. Calm wind becoming north northeast around 6 mph.
Monday Night
Clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 101. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 59. South southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 98. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 61.
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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
Last Update:
2:10 pm PDT Aug 2, 2026
Forecast Valid:
6pm PDT Aug 2, 2026-6pm PDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation