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

4 Miles SSW Hidden Valley Lake CA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.

    Low: 53 °F

    Clear

  • Friday

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

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Clear then
    Patchy Fog

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 82.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 48.
Memorial Day
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hidden Valley Lake CA
 38.77°N 122.56°W (Elev. 958 ft)
12:03 am PDT May 20, 2026
2am 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