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

Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 82%
Wind Speed SW 5 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 1 Feb 10:56 pm AST
Extended Forecast for

4 Miles SSW Palmer PR

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Low around 63. South wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 75. Light and variable wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 75 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 3am, then scattered showers. Low around 60. North wind 11 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 60 °F

    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. North northeast wind 13 to 15 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 61. Northeast wind 9 to 11 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. East wind 9 to 13 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly after noon. Mostly cloudy, with a high near 75. Southeast wind 6 to 9 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Low around 63. South wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 75. Light and variable wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Monday Night
Showers and possibly a thunderstorm before 3am, then scattered showers. Low around 60. North wind 11 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. North northeast wind 13 to 15 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 61. Northeast wind 9 to 11 mph. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. East wind 9 to 13 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 70%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 75. Southeast wind 6 to 9 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Showers likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Palmer PR
 18.31°N 65.79°W (Elev. 2100 ft)
Last Update:
9:43 pm AST Feb 1, 2026
Forecast Valid:
11pm AST Feb 1, 2026-6pm AST Feb 8, 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