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

Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

84°F

29°C

Humidity 13%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Heat Index81°F (27°C)
Last update 14 Sep 04:09 PM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Tonight

    Tonight: Patchy smoke between 8pm and 2am. Mostly clear, with a low around 54. West wind 5 to 7 mph becoming light and variable.

    Low: 54 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. South southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Patchy smoke between 8pm and 2am. Mostly clear, with a low around 54. West wind 5 to 7 mph becoming light and variable.
Tuesday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. Southwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. South southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 80. Calm wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 51.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 88.
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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 Sep 14, 2026
Forecast Valid:
4pm PDT Sep 14, 2026-6pm PDT Sep 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation