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

ISABELLA WEATHER STATION NEAR LAKE ISABELLA (ISLC1)

Lat: 35.64583°NLon: 118.47722°WElev: 2680.0ft.

NA

81°F

27°C

Humidity 18%
Wind Speed SW 8 MPH
Barometer 27.13 in (918.73 mb)
Dewpoint 33°F (1°C)
Visibility NA
Heat Index79°F (26°C)
Last update 02 Aug 12:45 AM PDT
Extended Forecast for

3 Miles NNW Lake Isabella CA

Heat Advisory August 2, 01:58am until August 3, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 2, 01:58am until August 3, 11:00pm

    NOW until 11:00pm Mon

    Heat Advisory

  • Overnight

    Low: 72 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 99. Breezy, with a light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 99 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 72. West wind 10 to 15 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 72 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 99. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 73 °F

    Clear and
    Breezy then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 73 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 99 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 72. West southwest wind around 5 mph.
Sunday
Sunny, with a high near 99. Breezy, with a light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Sunday Night
Clear, with a low around 72. West wind 10 to 15 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 99. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Clear, with a low around 73. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Tuesday
Sunny, with a high near 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Clear, with a low around 73. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Clear, with a low around 73. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Thursday
Sunny, with a high near 99. North northwest wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 74. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Clear, with a low around 74. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 98. North wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Isabella CA
 35.66°N 118.48°W (Elev. 2835 ft)
Last Update:
1:38 am PDT Aug 2, 2026
Forecast Valid:
1am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation