Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

55°F

13°C

Humidity 51%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 20 May 01:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Overnight

    Overnight: Partly cloudy, with a low around 55. North northwest wind around 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

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

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. North northwest wind around 8 mph.
Wednesday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 57. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.82°N 122.54°W (Elev. 1781 ft)
12:03 am PDT May 20, 2026
1am PDT May 20, 2026-6pm PDT May 26, 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