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 100%
Wind Speed NW 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 06:20 AM PST
Extended Forecast for

4 Miles SE Porterville CA

  • Today

    Today: Patchy dense fog.  Otherwise, mostly sunny, with a high near 45. Calm wind becoming west around 5 mph.

    High: 45 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog after 9am.  Otherwise, mostly sunny, with a high near 45. Calm wind becoming west northwest around 5 mph.

    High: 45 °F

    Patchy Fog

  • Friday Night

    Friday Night: Areas of fog before 3am.  Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 66. East wind around 5 mph becoming calm.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Calm wind becoming west northwest around 5 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Calm wind becoming west northwest around 5 mph.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog. Otherwise, mostly sunny, with a high near 45. Calm wind becoming west around 5 mph.
Tonight
Partly cloudy, with a low around 44. Calm wind.
Friday
Patchy fog after 9am. Otherwise, mostly sunny, with a high near 45. Calm wind becoming west northwest around 5 mph.
Friday Night
Areas of fog before 3am. Otherwise, mostly clear, with a low around 44. Calm wind.
Saturday
Mostly sunny, with a high near 66. East wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 46. Calm wind.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming west northwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 45. Calm wind.
Monday
Mostly sunny, with a high near 62. Calm wind becoming west northwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 45. Calm wind.
Tuesday
Partly sunny, with a high near 61. East wind around 5 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 47. Calm wind.
Wednesday
Partly sunny, with a high near 61. Southeast wind around 5 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Porterville CA
 36.03°N 118.98°W (Elev. 587 ft)
5:57 am PST Dec 11, 2025
6am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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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