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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

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Extended Forecast for

6 Miles ENE Clearlake CA

Heat Advisory August 3, 11:00am until August 4, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 64. Light west southwest wind.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Light and variable wind.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. West southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 66. West southwest wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 64. Light west southwest wind.
Sunday
Sunny and hot, with a high near 103. Light and variable wind.
Sunday Night
Mostly clear, with a low around 66. West southwest wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 104. Calm wind becoming northeast 5 to 8 mph in the morning.
Monday Night
Clear, with a low around 66. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 103. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Clear, with a low around 65.
Friday
Sunny and hot, with a high near 101.
Friday Night
Clear, with a low around 65.
Saturday
Sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Clearlake CA
 39°N 122.53°W (Elev. 1204 ft)
Last Update:
2:10 pm PDT Aug 1, 2026
Forecast Valid:
11pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
 
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