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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

93°F

34°C

Humidity 26%
Wind Speed W 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 25 Aug 01:00 PM PDT
Extended Forecast for

7 Miles SE Porterville CA

Heat Advisory August 25, 01:17pm until August 26, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 25, 01:17pm until August 26, 11:00pm

    NOW until 11:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 74. Northwest wind around 5 mph becoming east in the evening.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Northwest wind around 5 mph becoming south southeast after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. South southeast wind around 5 mph becoming west in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 75. Northwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 75 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 97. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 97 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Northwest wind around 5 mph.
Tonight
Clear, with a low around 74. Northwest wind around 5 mph becoming east in the evening.
Wednesday
Sunny and hot, with a high near 101. South southeast wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. Northwest wind around 5 mph becoming south southeast after midnight.
Thursday
Mostly sunny and hot, with a high near 100. South southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 75. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Friday
Partly sunny, with a high near 97. South southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 72. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 97. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 70. West northwest wind 5 to 10 mph becoming east northeast in the evening.
Sunday
Sunny, with a high near 95. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Clear, with a low around 66. West northwest wind 5 to 10 mph becoming east southeast in the evening.
Monday
Sunny, with a high near 93. Southeast wind 5 to 10 mph becoming west in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Porterville CA
 35.99°N 118.94°W (Elev. 774 ft)
Last Update:
12:56 pm PDT Aug 25, 2026
Forecast Valid:
1pm PDT Aug 25, 2026-6pm PDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation