Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

KONOCTI (KELC1)

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

NA

93°F

34°C

Humidity 19%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index89°F (32°C)
Last update 04 Aug 10:57 AM PDT
Extended Forecast for

4 Miles SE Lakeport CA

Heat Advisory August 4, 11:10am until August 4, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 11:10am until August 4, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • Today

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind 5 to 10 mph becoming light west southwest  in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. Southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

Detailed Forecast

Today
Sunny and hot, with a high near 103. East wind 5 to 11 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 64. Southwest wind 5 to 10 mph becoming light west southwest in the evening.
Wednesday
Sunny and hot, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Clear, with a low around 62. Southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 101. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 63. Southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 104.
Friday Night
Clear, with a low around 65.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 94.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Lakeport CA
 39.01°N 122.88°W (Elev. 1339 ft)
10:05 am PDT Aug 4, 2026
11am PDT Aug 4, 2026-6pm PDT Aug 10, 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