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

Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

80°F

27°C

Humidity 29%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index79°F (26°C)
Last update 20 Sep 01:09 PM PDT
Extended Forecast for

Hidden Valley Lake CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 86. South wind around 6 mph.

    High: 86 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 86. South wind around 6 mph.
Tonight
Mostly cloudy, with a low around 54. Light and variable wind.
Monday
Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 53.
Saturday
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:
10:05 am PDT Sep 20, 2026
Forecast Valid:
1pm PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation