National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region. 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

86°F

30°C

Humidity 75%
Wind Speed NE 16 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Aug 11:56 am AST
Extended Forecast for

Carolina PR

  • This
    Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 90. East northeast wind around 16 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    High: 90 °F

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. South southeast wind 8 to 10 mph. Chance of precipitation is 10%.

    Isolated
    Showers

    Low: 77 °F

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 90. East wind 13 to 16 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    High: 90 °F

  • Sunday
    Night

    Sunday Night: Scattered showers, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 60%.

    Scattered
    Showers then
    Heavy Rain

    Low: 78 °F

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 89. East wind 14 to 18 mph. Chance of precipitation is 50%.

    Heavy Rain

    High: 89 °F

  • Monday
    Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 78 °F

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 89. East wind 14 to 17 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 79. East wind 8 to 10 mph.

    Partly Cloudy

    Low: 79 °F

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind 11 to 14 mph. Chance of precipitation is 50%.

    Scattered
    Showers then
    Mostly Sunny

    High: 90 °F

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 90. East northeast wind around 16 mph. Chance of precipitation is 20%.
Tonight
Isolated showers. Partly cloudy, with a low around 77. South southeast wind 8 to 10 mph. Chance of precipitation is 10%.
Sunday
Isolated showers. Mostly sunny, with a high near 90. East wind 13 to 16 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 60%.
Monday
Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 89. East wind 14 to 18 mph. Chance of precipitation is 50%.
Monday Night
Isolated showers. Partly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. East wind 14 to 17 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 79. East wind 8 to 10 mph.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind 11 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 78. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 89.
Thursday Night
Scattered showers. Partly cloudy, with a low around 78. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Carolina PR
 18.41°N 65.98°W (Elev. 13 ft)
Last Update:
10:56 am AST Aug 18, 2018
Forecast Valid:
12pm AST Aug 18, 2018-6pm AST Aug 24, 2018
 
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