Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

A Few Clouds

90°F

32°C

Humidity 63%
Wind Speed SE 18 G 26 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 May 1:15 pm AST
Extended Forecast for

4 Miles NNW Cayuco PR

Excessive Heat Warning until May 21, 06:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until May 21, 06:00pm

    NOW until 6:00pm Tue

    Excessive Heat Warning

  • This Afternoon

    High: 87 °F

    Showers

  • Tonight

    Tonight: Isolated showers before 3am.  Mostly clear, with a low around 73. Southeast wind 3 to 5 mph.  Chance of precipitation is 10%.

    Low: 73 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 81. East wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 81 °F

    Scattered
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, with thunderstorms also possible after midnight.  Partly cloudy, with a low around 72. East northeast wind 5 to 8 mph.  Chance of precipitation is 40%.

    Low: 72 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers, then showers and possibly a thunderstorm after noon.  High near 83. East wind 6 to 9 mph.  Chance of precipitation is 80%.

    High: 83 °F

    Isolated
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 74. Calm wind becoming east southeast around 6 mph after midnight.  Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon.  Partly sunny, with a high near 82. East southeast wind 3 to 5 mph.  Chance of precipitation is 40%.

    High: 82 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers.  Partly cloudy, with a low around 73. Light east southeast wind.  Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 87. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Isolated showers before 3am. Mostly clear, with a low around 73. Southeast wind 3 to 5 mph. Chance of precipitation is 10%.
Wednesday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 81. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Scattered showers, with thunderstorms also possible after midnight. Partly cloudy, with a low around 72. East northeast wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday
Isolated showers, then showers and possibly a thunderstorm after noon. High near 83. East wind 6 to 9 mph. Chance of precipitation is 80%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind becoming east southeast around 6 mph after midnight. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Partly sunny, with a high near 82. East southeast wind 3 to 5 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Partly cloudy, with a low around 73. Light east southeast wind. Chance of precipitation is 30%.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. Light east northeast wind. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 73.
Memorial Day
Showers likely. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cayuco PR
 18.35°N 66.75°W (Elev. 804 ft)
12:27 pm AST May 21, 2024
1pm AST May 21, 2024-6pm AST May 27, 2024
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database