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

Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

79°F

26°C

Humidity 84%
Wind Speed SE 5 mph
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Jun 1:56 am AST
Extended Forecast for

Carolina PR

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 77 °F

  • Friday

    Friday: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 87. East wind 11 to 13 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 87 °F

  • Friday
    Night

    Friday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 77. East southeast wind around 9 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 77 °F

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 89. East southeast wind 8 to 14 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    High: 89 °F

  • Saturday
    Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 9 to 11 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 76 °F

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. East southeast wind 9 to 11 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 77. Southeast wind around 9 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 77 °F

  • Monday

    Monday: Mostly sunny, with a high near 89. East southeast wind 11 to 14 mph.

    Mostly Sunny

    High: 89 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 79. East southeast wind around 10 mph.

    Partly Cloudy

    Low: 79 °F

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%.
Friday
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 87. East wind 11 to 13 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 77. East southeast wind around 9 mph. Chance of precipitation is 40%.
Saturday
Isolated showers. Mostly sunny, with a high near 89. East southeast wind 8 to 14 mph. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 9 to 11 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. East southeast wind 9 to 11 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 77. Southeast wind around 9 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 89. East southeast wind 11 to 14 mph.
Monday Night
Partly cloudy, with a low around 79. East southeast wind around 10 mph.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 50%.
Thursday
Scattered showers. Mostly cloudy, with a high near 88. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Carolina PR
 18.41°N 65.98°W (Elev. 13 ft)
Last Update:
1:14 pm AST Jun 24, 2021
Forecast Valid:
2am AST Jun 25, 2021-6pm AST Jul 1, 2021
 
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