Severe Weather and Heavy Rainfall for Southern Plains; Strong Pacific Storm Moves Ashore

Heavy rainfall and flooding concerns continue for portions of Texas into the lower Mississippi Valley. Severe thunderstorms are expected to redevelop across areas of western Texas later Saturday. Meanwhile, strong Pacific storm will move ashore this weekend. Increasing winds for many areas of the West and Southwest, heavy precipitation with snow for the higher terrain. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

86°F

30°C

Humidity 70%
Wind Speed E 9 mph
Barometer 29.85 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 4 May 4:56 pm AST
Extended Forecast for

4 Miles SSE Guaynabo PR

Flood Watch May 4, 05:45pm until May 5, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 4, 05:45pm until May 5, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • This Afternoon

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 82. East northeast wind 3 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 9pm, then scattered showers between 9pm and midnight, then scattered showers and thunderstorms after midnight.  Mostly cloudy, with a low around 72. East northeast wind 3 to 5 mph.  Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 81. East northeast wind 3 to 7 mph.  Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 71. East northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 71 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely.  Mostly cloudy, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers.  Partly cloudy, with a low around 71. Light east wind.  Chance of precipitation is 40%.

    Low: 71 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Calm wind. Chance of precipitation is 60%.
Tonight
Scattered showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 82. East northeast wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Scattered showers and thunderstorms before 9pm, then scattered showers between 9pm and midnight, then scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. East northeast wind 3 to 5 mph. Chance of precipitation is 50%.
Monday
Showers and possibly a thunderstorm. High near 81. East northeast wind 3 to 7 mph. Chance of precipitation is 80%.
Monday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 71. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
Showers likely. Mostly cloudy, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 71. Light east wind. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Light east northeast wind. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Thursday
Scattered showers. Mostly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
Clear, with a low around 73.
Friday
Scattered showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 82.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Guaynabo PR
 18.33°N 66.09°W (Elev. 390 ft)
4:11 pm AST May 4, 2024
5pm AST May 4, 2024-6pm AST May 11, 2024
 
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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