Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Mist

43°F

6°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Last update 31 Jan 02:36 AM PST
Extended Forecast for

3 Miles SW Porterville CA

Dense Fog Advisory until January 31, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 31, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Overnight

    Low: 45 °F

    Dense Fog

  • Saturday

    Saturday: Widespread dense fog, mainly before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming northwest around 5 mph.

    High: 68 °F

    Dense Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy dense fog before 4am, then patchy dense fog after 5am.  Otherwise, mostly clear, with a low around 44. Calm wind becoming east around 5 mph.

    Low: 44 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 8am.  Otherwise, partly sunny, with a high near 66. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 66 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog between midnight and 2am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Calm wind becoming northwest around 5 mph.

    High: 65 °F

    Sunny

Detailed Forecast

Overnight
Widespread dense fog, mainly after 4am. Otherwise, mostly cloudy, with a steady temperature around 45. Calm wind.
Saturday
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming northwest around 5 mph.
Saturday Night
Patchy dense fog before 4am, then patchy dense fog after 5am. Otherwise, mostly clear, with a low around 44. Calm wind becoming east around 5 mph.
Sunday
Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 66. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Patchy fog between midnight and 2am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Monday
Mostly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 65. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 42. East wind around 5 mph.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. North northeast wind around 5 mph becoming east in the evening.
Friday
Mostly sunny, with a high near 68. Southeast wind around 5 mph becoming calm.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Porterville CA
 36.04°N 119.06°W (Elev. 427 ft)
1:57 am PST Jan 31, 2026
2am PST Jan 31, 2026-6pm PST Feb 6, 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