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

Severe Thunderstorms in the Southeast U.S; Flash Flooding Threat for the Northern Gulf Coast

Severe thunderstorms are expected across portions of the Southeast and Carolinas today where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast today due to the threat of flash, urban, and riverine flooding. 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

87°F

31°C

Humidity 77%
Wind Speed E 12 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index101°F (38°C)
Last update 19 May 11:56 am AST
Extended Forecast for

Fajardo PR

Heat Advisory until May 19, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until May 19, 05:00pm

    NOW until 5:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between three quarters and one inch possible.

    Low: 79 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. Heat index values as high as 105. East southeast wind 11 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 81. East southeast wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 90. East southeast wind 13 to 15 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 81. East wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 87. East southeast wind 8 to 13 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 80. East wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 105. Southeast wind around 11 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between three quarters and one inch possible.
Monday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. Heat index values as high as 105. East southeast wind 11 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 81. East southeast wind 10 to 13 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 90. East southeast wind 13 to 15 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 81. East wind 10 to 13 mph. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 87. East southeast wind 8 to 13 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 80. East wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 88. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Fajardo PR
 18.35°N 65.66°W (Elev. 102 ft)
Last Update:
7:10 am AST May 19, 2024
Forecast Valid:
12pm AST May 19, 2024-6pm AST May 25, 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