Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

58°F

14°C

Humidity 74%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 12 Aug 04:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Today

    Today: Mostly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 9 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 48. South southwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 46. South southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Areas of fog after 2am.  Otherwise, partly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 84.

    High: 84 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 9 mph in the morning.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. South southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 46. South southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 83.
Saturday Night
Areas of fog after 2am. Otherwise, partly cloudy, with a low around 48.
Sunday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 84.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
3:41 am PDT Aug 12, 2026
4am PDT Aug 12, 2026-6pm PDT Aug 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database