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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

93°F

34°C

Humidity 58%
Wind Speed S 10 G 17 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 19 May 3:56 pm AST
Extended Forecast for

Vega Baja 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: 91 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers before 9pm, then isolated showers after 3am. Partly cloudy, with a low around 74. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 111. East wind 6 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 92 °F

    Isolated
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 74. East wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 91. Heat index values as high as 105. East wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers before 9pm, then isolated showers after 3am. Partly cloudy, with a low around 74. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 111. East wind 6 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Isolated showers. Partly cloudy, with a low around 75. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 74. East wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 88. East wind around 11 mph. Chance of precipitation is 70%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Friday
Showers likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Sunday
Showers likely. Partly sunny, with a high near 90.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Vega Baja PR
 18.45°N 66.4°W (Elev. 72 ft)
Last Update:
3:28 pm AST May 19, 2024
Forecast Valid:
4pm AST May 19, 2024-6pm AST May 26, 2024
 
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