National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

102°F

39°C

Humidity 20%
Wind Speed WNW 9 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 12 Jun 04:56 PM PDT
Extended Forecast for

3 Miles SW Porterville CA

Heat Advisory June 12, 05:13pm until June 13, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 12, 05:13pm until June 13, 11:00pm

    NOW until 11:00pm Sat

    Heat Advisory

  • Tonight

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 63. West northwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Southeast wind around 5 mph becoming west in the afternoon.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 62. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 62 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 63. Northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 63 °F

    Clear

  • Tuesday

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

    High: 102 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 65. Northwest wind 5 to 10 mph becoming south in the evening.
Saturday
Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Clear, with a low around 63. West northwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny and hot, with a high near 101. Southeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Clear, with a low around 62. West northwest wind 5 to 10 mph becoming southeast in the evening.
Monday
Sunny and hot, with a high near 100. South southeast wind around 5 mph becoming west northwest in the afternoon.
Monday Night
Clear, with a low around 63. Northwest wind 5 to 10 mph becoming southeast in the evening.
Tuesday
Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Clear, with a low around 64. Northwest wind 5 to 10 mph becoming south after midnight.
Wednesday
Sunny and hot, with a high near 102. South wind 5 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Northwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 97. South southeast wind 5 to 10 mph becoming west in the morning.
Thursday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 15 mph.
Juneteenth
Sunny, with a high near 93. South wind 5 to 10 mph becoming west in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Porterville CA
 36.04°N 119.06°W (Elev. 427 ft)
Last Update:
4:56 pm PDT Jun 12, 2026
Forecast Valid:
5pm PDT Jun 12, 2026-6pm PDT Jun 19, 2026
 
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