Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

63°F

17°C

Humidity 39%
Wind Speed WSW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 09:35 AM PDT
Extended Forecast for

3 Miles S Porterville CA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. North wind around 5 mph becoming south in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A 10 percent chance of rain after 11pm.  Mostly clear, with a low around 51. West northwest wind around 5 mph becoming northeast after midnight.

    Low: 51 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 71. East wind around 5 mph becoming west northwest in the afternoon.  Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 48. West wind 5 to 10 mph becoming southeast after midnight.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 53. North wind around 5 mph becoming south in the evening.
Sunday
Mostly sunny, with a high near 85. South southeast wind around 5 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A 10 percent chance of rain after 11pm. Mostly clear, with a low around 51. West northwest wind around 5 mph becoming northeast after midnight.
Tuesday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 71. East wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 48. West wind 5 to 10 mph becoming southeast after midnight.
Wednesday
Mostly sunny, with a high near 68. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 44. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 46. North northwest wind 5 to 10 mph becoming northeast in the evening.
Friday
Mostly sunny, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Porterville CA
 36.02°N 119.03°W (Elev. 479 ft)
8:57 am PDT Apr 18, 2026
9am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database