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 >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

70°F

21°C

Humidity 60%
Wind Speed SW 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Aug 04:20 AM PDT
Extended Forecast for

2 Miles SE Porterville CA

Heat Advisory August 24, 05:00am until August 26, 11:00pm
Click here for hazard details and duration

  • Today

    Today: Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind around 5 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Calm wind becoming west northwest around 5 mph in the morning.

    High: 102 °F

    Hot

  • Tuesday Night

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

    Low: 71 °F

    Mostly Clear

  • Wednesday

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

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Northwest wind 5 to 10 mph becoming east northeast in the evening.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: 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: Partly cloudy, with a low around 70. Northwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 70 °F

    Partly Cloudy

  • Friday

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

    High: 98 °F

    Partly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west northwest in the afternoon.
Tonight
Mostly clear, with a low around 71. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 102. Calm wind becoming west northwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 71. Northwest wind 5 to 10 mph becoming south after midnight.
Wednesday
Sunny and hot, with a high near 101. South southeast wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. Northwest wind 5 to 10 mph becoming east northeast in the evening.
Thursday
Sunny and hot, with a high near 100. South southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 70. Northwest wind 5 to 10 mph becoming southeast after midnight.
Friday
Partly sunny, with a high near 98. South southeast wind around 5 mph becoming west southwest in the afternoon.
Friday Night
Mostly clear, with a low around 69. Northwest wind 5 to 10 mph becoming northeast in the evening.
Saturday
Sunny, with a high near 98. South southeast wind around 5 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 67. Northwest wind 5 to 10 mph becoming east after midnight.
Sunday
Sunny, with a high near 96. South wind around 5 mph becoming west in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Porterville CA
 36.04°N 119.01°W (Elev. 482 ft)
Last Update:
3:56 am PDT Aug 24, 2026
Forecast Valid:
4am PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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