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

Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. 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 23%
Wind Speed SSW 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 18 May 09:56 AM PDT
Extended Forecast for

3 Miles SW Porterville CA

Red Flag Warning May 18, 10:14am until May 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning May 18, 10:14am until May 18, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Today

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. North northwest wind around 5 mph becoming south southeast after midnight.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54. Northwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 54 °F

    Clear

  • Wednesday

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

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Southeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 97 °F

    Sunny

  • Thursday Night

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

    Low: 59 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 85. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tonight
Clear, with a low around 52. North northwest wind around 5 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 91. Southeast wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Clear, with a low around 54. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Wednesday
Sunny, with a high near 95. East southeast wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 5 to 10 mph becoming southeast after midnight.
Thursday
Sunny, with a high near 97. Southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Clear, with a low around 59. North northwest wind 5 to 10 mph becoming south southeast in the evening.
Friday
Sunny, with a high near 97. Southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 58. Northwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 95. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Clear, with a low around 56. West northwest wind 5 to 10 mph becoming south southeast in the evening.
Sunday
Sunny, with a high near 93. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Porterville CA
 36.04°N 119.06°W (Elev. 427 ft)
Last Update:
9:56 am PDT May 18, 2026
Forecast Valid:
10am PDT May 18, 2026-6pm PDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation