Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

91°F

33°C

Humidity 27%
Wind Speed SW 5 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 03 Aug 10:35 AM PDT
Extended Forecast for

4 Miles NE Porterville CA

Heat Advisory August 3, 10:51am until August 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 3, 10:51am until August 5, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 103 °F

    Hot

  • Tonight

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

    Low: 72 °F

    Clear

  • Tuesday

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

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 72. West northwest wind 5 to 10 mph becoming east southeast in the evening.

    Low: 72 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 72. West northwest wind 5 to 10 mph becoming east southeast in the evening. Winds could gust as high as 15 mph.

    Low: 72 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Southeast wind around 5 mph becoming west in the afternoon.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 73. West northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 15 mph.

    Low: 73 °F

    Clear

Detailed Forecast

Today
Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tonight
Clear, with a low around 72. Calm wind becoming south southeast around 5 mph in the evening.
Tuesday
Sunny and hot, with a high near 103. Southeast wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
Clear, with a low around 72. West northwest wind 5 to 10 mph becoming east southeast in the evening.
Wednesday
Sunny and hot, with a high near 102. Southeast wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Clear, with a low around 72. West northwest wind 5 to 10 mph becoming east southeast in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny and hot, with a high near 102. Southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
Clear, with a low around 73. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Friday
Sunny and hot, with a high near 102. Southeast wind around 5 mph becoming west in the afternoon.
Friday Night
Clear, with a low around 74. Northwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny and hot, with a high near 103. Southeast wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 73. West northwest wind 5 to 10 mph becoming east southeast in the evening. Winds could gust as high as 15 mph.
Sunday
Sunny and hot, with a high near 101. Southeast wind 5 to 10 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Porterville CA
 36.1°N 118.96°W (Elev. 801 ft)
9:57 am PDT Aug 3, 2026
10am PDT Aug 3, 2026-6pm PDT Aug 9, 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