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

70°F

21°C

Humidity 32%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 May 09:25 PM PDT
Extended Forecast for

3 Miles NW Porterville CA

  • Today

    Today: Sunny, with a high near 91. Southeast wind around 5 mph becoming northwest in the afternoon.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. North northwest wind around 5 mph becoming south southeast after midnight.

    Low: 60 °F

    Decreasing
    Clouds

  • Thursday

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

    High: 94 °F

    Sunny

  • Thursday Night

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

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Southeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Southeast wind around 5 mph becoming northwest in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 60. North northwest wind around 5 mph becoming south southeast after midnight.
Thursday
Sunny, with a high near 94. Southeast wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Clear, with a low around 61. North northwest wind 5 to 10 mph becoming southeast in the evening.
Friday
Sunny, with a high near 95. Southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Clear, with a low around 61. Northwest wind 5 to 10 mph becoming southeast in the evening.
Saturday
Sunny, with a high near 94. Southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Clear, with a low around 59. West northwest wind 5 to 10 mph becoming southeast in the evening.
Sunday
Sunny, with a high near 91. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Memorial Day
Sunny, with a high near 91. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
Monday Night
Clear, with a low around 59. Northwest wind 5 to 10 mph becoming south southwest in the evening. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 88. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
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)
3:56 am PDT May 20, 2026
4am PDT May 20, 2026-6pm PDT May 26, 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