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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

84°F

29°C

Humidity 70%
Wind Speed NE 14 mph
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 28 Apr 12:56 pm AST
Extended Forecast for

San Juan PR

  • This
    Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 3pm, then scattered showers and thunderstorms after 3pm. Partly sunny, with a high near 84. Northeast wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    High: 84 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East northeast wind around 11 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Scattered
    Showers

    Low: 76 °F

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 82. East northeast wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    High: 82 °F

  • Monday
    Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 75. East northeast wind around 14 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 75 °F

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 84. East northeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Scattered
    Showers then
    Showers
    Likely

    High: 84 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. East northeast wind 11 to 14 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 75 °F

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 86. East wind around 11 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 75. East wind 5 to 8 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 75 °F

  • Thursday

    Thursday: Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 5 to 9 mph. Chance of precipitation is 70%.

    Scattered
    Showers then
    Showers
    Likely

    High: 87 °F

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 3pm, then scattered showers and thunderstorms after 3pm. Partly sunny, with a high near 84. Northeast wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East northeast wind around 11 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 82. East northeast wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 75. East northeast wind around 14 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 84. East northeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. East northeast wind 11 to 14 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Partly sunny, with a high near 86. East wind around 11 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 75. East wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 5 to 9 mph. Chance of precipitation is 70%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Friday
Showers likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Showers likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
4:32 am AST Apr 28, 2024
Forecast Valid:
1pm AST Apr 28, 2024-6pm AST May 4, 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