Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

83°F

28°C

Humidity 19%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index81°F (27°C)
Last update 09 Aug 02:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

Heat Advisory August 9, 03:08am until August 9, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 9, 03:08am until August 9, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • Overnight

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 105. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 105 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. West southwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 98. Light and variable wind.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 66. Northwest wind around 6 mph.
Sunday
Sunny and hot, with a high near 105. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 98. Light and variable wind.
Monday Night
Mostly clear, with a low around 58. Light and variable wind.
Tuesday
Sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 87.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 86.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Saturday
Patchy fog. Otherwise, sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
2:10 am PDT Aug 9, 2026
3am PDT Aug 9, 2026-6pm PDT Aug 15, 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