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.

Overcast

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 1 Feb 12:55 am AST
Extended Forecast for

Santa Isabel PR

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 87. Southeast wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 87 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 70. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. High near 84. Light east northeast wind becoming east 5 to 9 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 68. North wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 82. North northeast wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

    High: 82 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 68. Northeast wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 86. East wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 68. East northeast wind around 8 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 87. Southeast wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 70. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. High near 84. Light east northeast wind becoming east 5 to 9 mph. Chance of precipitation is 90%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 68. North wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers. Partly sunny, with a high near 82. North northeast wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 68. Northeast wind 9 to 15 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 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 68. East northeast wind around 8 mph. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 67.
Saturday
Scattered showers. Mostly 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:
9:58 pm AST Jan 31, 2026
Forecast Valid:
1am 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