National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

KONOCTI (KELC1)

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

NA

57°F

14°C

Humidity 54%
Wind Speed WNW 11 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 18 Nov 03:57 PM PST
Extended Forecast for

Clearlake CA

  • Tonight

    Tonight: Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 41. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 41 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. East wind 3 to 7 mph.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 41. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Showers likely, mainly before 10am. Partly sunny, with a high near 52. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm. Mostly clear, with a low around 38. North northwest wind 6 to 8 mph.

    Low: 38 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. North northeast wind around 8 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 41. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 53. East wind 3 to 7 mph.
Wednesday Night
Rain, mainly after 10pm. Low around 41. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 10am. Partly sunny, with a high near 52. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers before 10pm. Mostly clear, with a low around 38. North northwest wind 6 to 8 mph.
Friday
Sunny, with a high near 62. North northeast wind around 8 mph.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 64.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clearlake CA
 38.98°N 122.64°W (Elev. 1598 ft)
Last Update:
1:33 pm PST Nov 18, 2025
Forecast Valid:
4pm PST Nov 18, 2025-6pm PST Nov 25, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation