Severe Thunderstorm and Flash Flood Threat in the East; Snow in the Rockies;

The storm system producing severe weather and isolated flash flooding will begin to weaken tonight. As the storm moves east, several chances for severe weather and heavy rain are possible from the Midwest and Ohio Valley to the Southern Plains, Lower Mississippi and Tennessee valley. Heavy snow continue to impact the Northern Rockies. Critical fire weather conditions persist in the Southern Plains Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 May 3:56 am AST
Extended Forecast for

Humacao PR

  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 74. East northeast wind around 5 mph.  Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon.  Mostly cloudy, with a high near 87. East southeast wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 3am.  Mostly cloudy, with a low around 75. East northeast wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 88. Heat index values as high as 103. East southeast wind around 8 mph.  Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Scattered showers.  Mostly cloudy, with a low around 75. East wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 50%.

    Low: 75 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 90. South southeast wind 6 to 8 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers.  Mostly cloudy, with a low around 75. Light southeast wind.  Chance of precipitation is 50%.

    Low: 75 °F

    Scattered
    Showers

  • Sunday

    Sunday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 88. Southeast wind around 7 mph.  Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Scattered showers.  Mostly cloudy, with a low around 77. East southeast wind around 6 mph.  Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 74. East northeast wind around 5 mph. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 87. East southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers likely, mainly before 3am. Mostly cloudy, with a low around 75. East northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 88. Heat index values as high as 103. East southeast wind around 8 mph. Chance of precipitation is 60%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 75. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 90. South southeast wind 6 to 8 mph. Chance of precipitation is 60%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 75. Light southeast wind. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before noon. Mostly cloudy, with a high near 88. Southeast wind around 7 mph. Chance of precipitation is 60%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 77. East southeast wind around 6 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Mostly cloudy, with a high near 88. Chance of precipitation is 50%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Humacao PR
 18.13°N 65.81°W (Elev. 62 ft)
4:13 am AST May 9, 2024
4am AST May 9, 2024-6pm AST May 15, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database