Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

KONOCTI (KELC1)

Lat: 38.91189°NLon: 122.70631°WElev: 2163.0ft.

NA

57°F

14°C

Humidity 69%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 04 Sep 09:57 PM PDT
Extended Forecast for

Clearlake CA

  • Tonight

    Tonight: Clear, with a low around 47. West wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 50 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 47. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 76. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 50. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Labor Day
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 82.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 57.
Thursday
A slight chance of rain. Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Clearlake CA
 38.96°N 122.63°W (Elev. 1348 ft)
2:10 pm PDT Sep 4, 2026
10pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database