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

SCE Highway 190 (SE479)

Lat: 36.12382°NLon: 118.82379°WElev: 964.0ft.

NA

101°F

38°C

Humidity 19%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index98°F (37°C)
Last update 04 Aug 01:40 PM PDT
Extended Forecast for

11 Miles E Porterville CA

Heat Advisory August 4, 01:51pm until August 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 01:51pm until August 5, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 105 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 72. Calm wind becoming southeast around 5 mph.

    Low: 72 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the morning.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 73. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 73. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 73 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 105. West wind around 5 mph.
Tonight
Clear, with a low around 72. Calm wind becoming southeast around 5 mph.
Wednesday
Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
Clear, with a low around 73. West northwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 73. West northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Clear, with a low around 73. West northwest wind around 5 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 105. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. West northwest wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 106. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. West northwest wind around 5 mph becoming east in the evening.
Monday
Sunny and hot, with a high near 104. East wind around 5 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Porterville CA
 36.09°N 118.82°W (Elev. 988 ft)
12:56 pm PDT Aug 4, 2026
1pm 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