Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. 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 30.27 in (1025.06 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 09 Dec 09:00 PM PST
Extended Forecast for

2 Miles NNW Porterville CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind.

    High: 48 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Sunny

  • Friday Night

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

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind.
Wednesday Night
Partly cloudy, with a low around 43. Calm wind.
Thursday
Mostly sunny, with a high near 60. Calm wind.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 63. Calm wind.
Friday Night
Partly cloudy, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 64. Calm wind.
Saturday Night
Mostly cloudy, with a low around 45. Calm wind.
Sunday
Mostly sunny, with a high near 61. Calm wind.
Sunday Night
Partly cloudy, with a low around 44. Calm wind.
Monday
Partly sunny, with a high near 61. Calm wind becoming west around 5 mph.
Monday Night
Mostly cloudy, with a low around 45. Calm wind.
Tuesday
Mostly sunny, with a high near 59. Southeast wind around 5 mph becoming calm.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Porterville CA
 36.11°N 119.05°W (Elev. 417 ft)
8:57 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 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