Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Overcast

43°F

6°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 11 Dec 09:00 AM PST
Extended Forecast for

12 Miles S Porterville CA

  • Today

    Today: Patchy dense fog.  Otherwise, mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. Calm wind.

    High: 41 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog.  Otherwise, mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Dense
    Fog

  • Friday Night

    Friday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog.  Otherwise, mostly sunny, with a high near 45. East southeast wind around 5 mph becoming calm.

    High: 45 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 10pm.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. Calm wind.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Friday
Patchy dense fog. Otherwise, mostly sunny, with a high near 45. Calm wind.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 45. East southeast wind around 5 mph becoming calm.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Sunday Night
Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Monday
Mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 43. Calm wind.
Tuesday
Partly sunny, with a high near 60. South southeast wind around 5 mph becoming calm.
Tuesday Night
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly cloudy, with a high near 60. South southeast wind around 5 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Porterville CA
 35.9°N 119.06°W (Elev. 505 ft)
8:57 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database