National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jan 1:35 am AST
Extended Forecast for

Santa Isabel PR

  • Overnight

    Overnight: Isolated showers after 3am. Mostly clear, with a low around 67. Northeast wind around 5 mph. Chance of precipitation is 10%.

    Low: 67 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88. Northeast wind 6 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers before 9pm. Mostly clear, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Isolated
    Showers then
    Clear

  • Saturday

    Saturday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 86. East southeast wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 86 °F

    Isolated
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 9 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 86. South southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 70. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 85. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 68. North wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Isolated showers after 3am. Mostly clear, with a low around 67. Northeast wind around 5 mph. Chance of precipitation is 10%.
Friday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind 6 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers before 9pm. Mostly clear, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 10%.
Saturday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 86. East southeast wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 9 mph. Chance of precipitation is 50%.
Sunday
Isolated showers. Mostly sunny, with a high near 86. South southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 70. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 85. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 68. North wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 40%.
Tuesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Cloudy, with a low around 68. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
Last Update:
1:22 am AST Jan 30, 2026
Forecast Valid:
1am AST Jan 30, 2026-6pm AST Feb 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation