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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

80°F

27°C

Humidity 85%
Wind Speed Calm
Barometer 29.97 in (1014.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 May 5:56 am AST
Extended Forecast for

Rio Grande PR

  • Today

    Today: Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 91. Heat index values as high as 102. East southeast wind 8 to 14 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 79. East southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 93. Heat index values as high as 105. East wind 7 to 13 mph. Chance of precipitation is 20%.

    High: 93 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Mostly clear, with a low around 79. East wind around 8 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 92. East wind 10 to 13 mph. Chance of precipitation is 60%.

    High: 92 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 79. East wind around 8 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Mostly sunny, with a high near 91. East southeast wind 9 to 14 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79. East southeast wind around 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 11 to 14 mph. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 91. Heat index values as high as 102. East southeast wind 8 to 14 mph. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 79. East southeast wind around 8 mph. Chance of precipitation is 30%.
Saturday
Isolated showers. Mostly sunny, with a high near 93. Heat index values as high as 105. East wind 7 to 13 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers. Mostly clear, with a low around 79. East wind around 8 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 92. East wind 10 to 13 mph. Chance of precipitation is 60%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 79. East wind around 8 mph. Chance of precipitation is 20%.
Monday
Scattered showers. Mostly sunny, with a high near 91. East southeast wind 9 to 14 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 79. East southeast wind around 10 mph.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 11 to 14 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Showers likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 91. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Rio Grande PR
 18.38°N 65.83°W (Elev. 20 ft)
Last Update:
5:42 am AST May 17, 2024
Forecast Valid:
6am AST May 17, 2024-6pm AST May 23, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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