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 66%
Wind Speed NE 13 mph
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 28 Apr 10:56 am AST
Extended Forecast for

Sumidero PR

  • Today

    Today: Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. Northeast wind around 11 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Showers
    Likely

    High: 80 °F

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 72 °F

  • Monday

    Monday: Scattered showers, mainly before 9am. Sunny, with a high near 78. Northeast wind around 10 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    High: 78 °F

  • Monday
    Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 72. Northeast wind around 6 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 72 °F

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. Northeast wind 6 to 10 mph. Chance of precipitation is 60%.

    Scattered
    Showers then
    Showers
    Likely

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 71. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 71 °F

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Partly sunny, with a high near 81. East wind 5 to 7 mph. Chance of precipitation is 60%.

    Scattered
    Showers then
    Showers
    Likely

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 74. Light east wind. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 74 °F

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 82. East wind 3 to 5 mph. Chance of precipitation is 70%.

    Mostly Sunny
    then Showers
    Likely

    High: 82 °F

Detailed Forecast

Today
Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. Northeast wind around 11 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Tonight
Scattered showers, mainly before midnight. Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Scattered showers, mainly before 9am. Sunny, with a high near 78. Northeast wind around 10 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 72. Northeast wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. Northeast wind 6 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 71. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after noon. Partly sunny, with a high near 81. East wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 74. Light east wind. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 82. East wind 3 to 5 mph. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Showers. High near 81. Chance of precipitation is 90%.
Friday Night
Clear, with a low around 74.
Saturday
Showers likely. Mostly sunny, with a high near 81. Chance of precipitation is 70%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Sumidero PR
 18.22°N 66.13°W (Elev. 1385 ft)
Last Update:
4:32 am AST Apr 28, 2024
Forecast Valid:
11am AST Apr 28, 2024-6pm AST May 4, 2024
 
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Additional Resources

Radar & Satellite Image

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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