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

99°F

37°C

Humidity 16%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index95°F (35°C)
Last update 02 Aug 02:09 PM 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

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 102. South southwest wind around 8 mph.

    High: 102 °F

    Hot

  • Tonight

    Tonight: Patchy smoke before 2am. Clear, with a low around 65. West southwest wind 6 to 8 mph becoming north after midnight.

    Low: 65 °F

    Patchy Smoke

  • Monday

    Monday: Sunny and hot, with a high near 103. North wind 5 to 8 mph becoming south southeast in the afternoon.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Patchy smoke between 8pm and 11pm. Clear, with a low around 65. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 65 °F

    Patchy Smoke
    then Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60. South southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Thursday

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

    High: 100 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. South southwest wind around 8 mph.
Tonight
Patchy smoke before 2am. Clear, with a low around 65. West southwest wind 6 to 8 mph becoming north after midnight.
Monday
Sunny and hot, with a high near 103. North wind 5 to 8 mph becoming south southeast in the afternoon.
Monday Night
Patchy smoke between 8pm and 11pm. Clear, with a low around 65. Southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 101. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Clear, with a low around 60. South southwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Clear, with a low around 63.
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 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hidden Valley Lake CA
 38.81°N 122.57°W (Elev. 1148 ft)
Last Update:
2:10 pm PDT Aug 2, 2026
Forecast Valid:
2pm PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation