Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

KONOCTI (KELC1)

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

NA

70°F

21°C

Humidity 29%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 20 Aug 11:57 PM PDT
Extended Forecast for

Clearlake CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. West southwest wind 3 to 7 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Calm wind.
Friday
Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 54. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 89. West southwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 55. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 93. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 92.
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 Aug 20, 2026
12am PDT Aug 21, 2026-6pm PDT Aug 27, 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