Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

76°F

24°C

Humidity 43%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Aug 06:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Today

    Today: Sunny, with a high near 97. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. South southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 53. South southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 97. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 93. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 56. South southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. South southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 50.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Friday Night
Areas of fog after 2am. Otherwise, mostly clear, with a low around 50.
Saturday
Areas of fog. Otherwise, sunny, with a high near 85.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Sunday
Patchy fog. Otherwise, sunny, with a high near 86.
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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 10, 2026
6am PDT Aug 10, 2026-6pm PDT Aug 16, 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