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

80°F

27°C

Humidity 76%
Wind Speed NE 10 G 20 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 28 Apr 5:56 am AST
Extended Forecast for

San Lorenzo 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. Partly sunny, with a high near 86. Northeast wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Showers
    Likely

    High: 86 °F

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. North northeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 74 °F

  • Monday

    Monday: Scattered showers, mainly before 9am. Sunny, with a high near 83. East northeast wind 8 to 11 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    High: 83 °F

  • Monday
    Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 73. Northeast wind around 6 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 73 °F

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. East northeast wind 6 to 11 mph. Chance of precipitation is 60%.

    Scattered
    Showers then
    Showers
    Likely

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 73 °F

  • Wednesday

    Wednesday: Scattered showers. Mostly cloudy, with a high near 87. East wind 6 to 8 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 74. Light east wind. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 74 °F

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 88. East wind 3 to 6 mph. Chance of precipitation is 70%.

    Mostly Sunny
    then Showers
    Likely

    High: 88 °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. Partly sunny, with a high near 86. Northeast wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. North northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Scattered showers, mainly before 9am. Sunny, with a high near 83. East northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 73. Northeast wind around 6 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. East northeast wind 6 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 87. East wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 74. Light east wind. Chance of precipitation is 40%.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 88. East wind 3 to 6 mph. Chance of precipitation is 70%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
Showers. High near 89. Chance of precipitation is 80%.
Friday Night
Clear, with a low around 75.
Saturday
Showers likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
San Lorenzo PR
 18.2°N 65.97°W (Elev. 272 ft)
Last Update:
4:32 am AST Apr 28, 2024
Forecast Valid:
6am 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