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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

52°F

11°C

Humidity 53%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 29 Aug 02:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Overnight

    Overnight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Light and variable wind becoming southwest 8 to 13 mph in the afternoon.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 52. West wind 5 to 9 mph becoming north northwest in the evening.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 89. Light and variable wind becoming southwest 8 to 13 mph in the afternoon.
Saturday Night
Clear, with a low around 52. West wind 5 to 9 mph becoming north northwest in the evening.
Sunday
Sunny, with a high near 90. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 53. South southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 46.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 78.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.
Wednesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 80.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 48.
Thursday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 83.
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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 am PDT Aug 29, 2026
Forecast Valid:
3am PDT Aug 29, 2026-6pm PDT Sep 4, 2026
 
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