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 >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

Lat: 36.03333°NLon: 119.06667°WElev: 443.0ft.

Clear

86°F

30°C

Humidity 37%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Jul 09:15 PM PDT
Extended Forecast for

3 Miles SW Porterville CA

Heat Advisory August 1, 12:00pm until August 3, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 65. North wind around 5 mph becoming south after midnight.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. South wind 5 to 10 mph becoming northwest in the afternoon.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 66. Northwest wind around 5 mph becoming southeast in the evening.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. South southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 67. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 67 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. South southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 66. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. South southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 65 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 65. North wind around 5 mph becoming south after midnight.
Saturday
Sunny and hot, with a high near 102. South wind 5 to 10 mph becoming northwest in the afternoon.
Saturday Night
Clear, with a low around 66. Northwest wind around 5 mph becoming southeast in the evening.
Sunday
Sunny and hot, with a high near 104. South southeast wind 5 to 10 mph becoming west in the afternoon.
Sunday Night
Clear, with a low around 67. West northwest wind 5 to 10 mph becoming southeast in the evening.
Monday
Sunny and hot, with a high near 103. South southeast wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Clear, with a low around 66. West northwest wind 5 to 10 mph becoming southeast in the evening.
Tuesday
Sunny and hot, with a high near 103. South southeast wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
Clear, with a low around 65. West northwest wind 5 to 10 mph becoming southeast in the evening.
Wednesday
Sunny and hot, with a high near 103. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
Clear, with a low around 67. Northwest wind 5 to 10 mph becoming southeast in the evening.
Thursday
Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Clear, with a low around 67. Northwest wind 5 to 10 mph becoming southeast in the evening.
Friday
Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Porterville CA
 36.04°N 119.06°W (Elev. 427 ft)
8:56 pm PDT Jul 31, 2026
9pm PDT Jul 31, 2026-6pm PDT Aug 7, 2026
 
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