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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

97°F

36°C

Humidity 26%
Wind Speed WNW 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 24 Aug 12:20 PM PDT
Extended Forecast for

3 Miles NNE Porterville CA

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 102. West wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. West northwest wind around 5 mph becoming east southeast in the evening.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Northwest wind 5 to 10 mph becoming east after midnight.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Northwest wind 5 to 10 mph becoming east northeast in the evening. Winds could gust as high as 15 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99. South southeast wind around 5 mph becoming west in the afternoon.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 72. Northwest wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 98. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 98 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 71. West northwest wind around 5 mph becoming east southeast in the evening.
Tuesday
Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Northwest wind 5 to 10 mph becoming east after midnight.
Wednesday
Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. Northwest wind 5 to 10 mph becoming east northeast in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 99. South southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 72. Northwest wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 98. South southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 71. Northwest wind 5 to 10 mph becoming south after midnight.
Saturday
Sunny, with a high near 97. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 67. West northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 95. South southeast 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 NNE Porterville CA
 36.11°N 119.02°W (Elev. 600 ft)
Last Update:
11:56 am PDT Aug 24, 2026
Forecast Valid:
12pm PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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