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

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

Isolated to scattered severe thunderstorms appear possible across portions of the Southeast and Carolinas on Saturday 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 Saturday 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

82°F

28°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 May 6:56 am AST
Extended Forecast for

Miranda PR

Heat Advisory May 18, 11:00am until May 18, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers after noon. Mostly sunny, with a high near 89. Heat index values as high as 102. Light east southeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 89 °F

    Sunny then
    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers after 3am. Mostly clear, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Mostly Clear
    then Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Heat index values as high as 102. East wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 89 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 75. East southeast wind 3 to 6 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 89. East wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 89 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southeast wind 5 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. East southeast wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 85. East southeast wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 85 °F

    Sunny then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers after noon. Mostly sunny, with a high near 89. Heat index values as high as 102. Light east southeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tonight
Isolated showers after 3am. Mostly clear, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 10%.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Heat index values as high as 102. East wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday Night
Clear, with a low around 75. East southeast wind 3 to 6 mph.
Monday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 89. East wind 6 to 10 mph. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 76. Southeast wind 5 to 7 mph.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 7 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 76. East southeast wind around 6 mph.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 85. East southeast wind 3 to 7 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Thursday
Showers likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Miranda PR
 18.38°N 66.36°W (Elev. 374 ft)
Last Update:
4:08 am AST May 18, 2024
Forecast Valid:
7am AST May 18, 2024-6pm AST May 24, 2024
 
Forecast Discussion
 
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Additional Resources

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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