Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

77°F

25°C

Humidity 23%
Wind Speed W 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 May 10:00 AM PDT
Extended Forecast for

3 Miles NW Porterville CA

  • Today

    Today: Sunny, with a high near 88. West wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. North northwest wind around 5 mph becoming southeast after midnight.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. East southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind around 5 mph becoming east southeast in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. East southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61. Northwest wind 5 to 10 mph becoming south southeast in the evening.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. Southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Northwest wind 5 to 10 mph becoming south southeast in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. West wind 5 to 10 mph.
Tonight
Clear, with a low around 57. North northwest wind around 5 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 91. East southeast wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind around 5 mph becoming east southeast in the evening.
Thursday
Sunny, with a high near 95. East southeast wind around 5 mph becoming west northwest in the afternoon.
Thursday Night
Clear, with a low around 61. Northwest wind 5 to 10 mph becoming south southeast in the evening.
Friday
Sunny, with a high near 95. Southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 61. Northwest wind 5 to 10 mph becoming south southeast in the evening.
Saturday
Sunny, with a high near 94. Southeast wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
Clear, with a low around 59. Northwest wind 5 to 10 mph becoming south southeast in the evening.
Sunday
Sunny, with a high near 92. South southeast wind around 5 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming south southeast in the evening.
Memorial Day
Sunny, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Porterville CA
 36.11°N 119.05°W (Elev. 417 ft)
9:56 am PDT May 19, 2026
10am PDT May 19, 2026-6pm PDT May 25, 2026
 
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