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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

KONOCTI (KELC1)

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

NA

77°F

25°C

Humidity 25%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 04 Oct 07:57 AM PDT
Extended Forecast for

4 Miles SE Clearlake CA

Heat Advisory October 4, 08:54am until October 4, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 4, 08:54am until October 4, 11:00pm

    NOW until 11:00pm Sun

    Heat Advisory

  • Today

    High: 96 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 65. Calm wind.

    Low: 65 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and hot, with a high near 99. Light and variable wind.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 66. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 64. West southwest wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Today
Mostly cloudy, with a high near 96. Calm wind becoming northeast around 6 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 65. Calm wind.
Monday
Sunny and hot, with a high near 99. Light and variable wind.
Monday Night
Clear, with a low around 66. West southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 64. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 97.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Clearlake CA
 38.93°N 122.57°W (Elev. 1598 ft)
Last Update:
2:10 am PDT Oct 4, 2026
Forecast Valid:
8am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation