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Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

104°F

40°C

Humidity 21%
Wind Speed NNW 6 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 22 Aug 03:56 PM PDT
Extended Forecast for

2 Miles E Porterville CA

Heat Advisory August 22, 04:05pm until August 25, 08:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 04:05pm until August 25, 08:00am

    NOW until 8:00am Mon

    Heat Advisory

  • Tonight

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of rain, mainly between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 102. Southeast wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 30%.

    High: 102 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming east southeast in the evening.

    Low: 75 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west in the afternoon.

    High: 103 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after 11am. Sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the afternoon.

    High: 101 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly clear, with a low around 73. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 73 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.

    High: 100 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Northwest wind around 5 mph becoming southeast in the evening.
Saturday
A chance of rain, mainly between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 102. Southeast wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming east southeast in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 74. West northwest wind 5 to 10 mph becoming southeast in the evening.
Monday
A 20 percent chance of rain after 11am. Sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 20 percent chance of rain before 11pm. Mostly clear, with a low around 73. West northwest wind 5 to 10 mph becoming southeast in the evening.
Tuesday
A 20 percent chance of rain after 11am. Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly clear, with a low around 71. West northwest wind 5 to 10 mph becoming southeast in the evening.
Wednesday
Sunny, with a high near 98. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. West northwest wind 5 to 10 mph becoming east southeast in the evening.
Thursday
Sunny, with a high near 96. Southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 66. West northwest wind 5 to 10 mph becoming east southeast in the evening.
Friday
Sunny, with a high near 93. Southeast wind around 5 mph becoming west in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Porterville CA
 36.07°N 118.99°W (Elev. 518 ft)
Last Update:
3:57 pm PDT Aug 22, 2025
Forecast Valid:
4pm PDT Aug 22, 2025-6pm PDT Aug 29, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation