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

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

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Partly Cloudy

84°F

29°C

Humidity 79%
Wind Speed SE 10 G 18 mph
Barometer 30.00 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 1 Feb 10:55 am AST
Extended Forecast for

Santa Isabel PR

  • Today

    Today: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 87. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 71. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 71 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 85. Light and variable wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    High: 85 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 68. North wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 84. North northeast wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Northeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 86. East wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 69. East northeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 87. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 87. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 71. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and possibly a thunderstorm. High near 85. Light and variable wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Monday Night
Showers and possibly a thunderstorm. Low around 68. North wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. North northeast wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Northeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 86. East wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 69. East northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 87. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 67.
Saturday
Scattered showers. Sunny, with a high near 85. Chance of precipitation is 30%.
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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:
7:46 am AST Feb 1, 2026
Forecast Valid:
11am AST Feb 1, 2026-6pm AST Feb 7, 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