Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Santa Isabel PR

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 70. East northeast wind around 8 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly between 9am and noon.  Mostly sunny, with a high near 89. East wind 7 to 12 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 32 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after 9pm.  Partly cloudy, with a low around 71. East northeast wind around 9 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 87. East wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 71. Northeast wind around 10 mph.  Chance of precipitation is 40%.

    Low: 71 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers after noon.  Mostly sunny, with a high near 87. East wind 9 to 14 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 36 mph.  Chance of precipitation is 40%.

    High: 87 °F

    Sunny then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers.  Partly cloudy, with a low around 71. East northeast wind 7 to 9 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 89. East southeast wind 8 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. East northeast wind around 8 mph.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 70. East northeast wind around 8 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 89. East wind 7 to 12 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly after 9pm. Partly cloudy, with a low around 71. East northeast wind around 9 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 71. Northeast wind around 10 mph. Chance of precipitation is 40%.
Thursday
Scattered showers after noon. Mostly sunny, with a high near 87. East wind 9 to 14 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East southeast wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 72. East northeast wind around 8 mph.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 71.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 70.
Monday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
4:07 pm AST Jan 19, 2026
3am AST Jan 20, 2026-6pm AST Jan 26, 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