Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

88°F

31°C

Humidity 36%
Wind Speed N 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 08:56 PM PDT
Extended Forecast for

Porterville CA

  • Tonight

    Tonight: Mostly clear, with a low around 70. North wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. Calm wind becoming west northwest around 5 mph in the morning.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 99. Calm wind becoming west around 5 mph in the morning.

    High: 99 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the morning.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. West northwest wind 5 to 10 mph becoming south southeast after midnight.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. West northwest wind 5 to 10 mph becoming north in the evening.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 70. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 97. Calm wind becoming west northwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 71. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 99. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 71. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 71. West northwest wind 5 to 10 mph becoming south southeast after midnight.
Friday
Sunny, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. West northwest wind 5 to 10 mph becoming north in the evening.
Saturday
Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 97. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 70. West northwest wind around 5 mph becoming southeast in the evening.
Monday
Sunny, with a high near 97. Southeast wind around 5 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Porterville CA
 36.07°N 119.01°W (Elev. 479 ft)
8:56 pm PDT Aug 17, 2026
9pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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