Hazardous Heat in the Western U.S.; Heavy Rain and Flooding Potential in the Southern Rockies

Widespread high temperatures in the 90s with heat indices exceeding 100 degrees will persist across the western U.S. this weekend into next week. Some daily high temperature records are forecast to be tied or broken. Monsoon conditions continue to linger across the Southern Rockies posing a heavy rainfall threat which may lead to additional flash flooding concerns. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Thunderstorm Light Rain

82°F

28°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index91°F (33°C)
Last update 20 Jul 2:56 am AST
Extended Forecast for

Carolina PR

  • Overnight

    Overnight: Showers likely.  Mostly cloudy, with a low around 80. East southeast wind around 14 mph.  Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before noon.  Widespread haze after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 105. East wind 14 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Widespread haze. Mostly clear, with a low around 81. East wind 9 to 11 mph.

    Low: 81 °F

    Haze

  • Sunday

    Sunday: Isolated showers after noon.  Widespread haze. Sunny, with a high near 88. East northeast wind 11 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Haze then
    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers.  Widespread haze. Mostly clear, with a low around 81. East wind 9 to 11 mph.  Chance of precipitation is 10%.

    Low: 81 °F

    Isolated
    Showers

  • Monday

    Monday: Showers likely, mainly before noon.  Mostly sunny, with a high near 89. East wind 11 to 15 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely then
    Isolated
    Showers

  • Monday Night

    Monday Night: Showers likely.  Mostly cloudy, with a low around 79. East southeast wind around 11 mph.  Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon.  Partly sunny, with a high near 89. East wind 11 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 79. East wind 10 to 13 mph.  Chance of precipitation is 40%.

    Low: 79 °F

    Partly Cloudy
    then
    Scattered
    Showers

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 80. East southeast wind around 14 mph. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before noon. Widespread haze after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 105. East wind 14 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Widespread haze. Mostly clear, with a low around 81. East wind 9 to 11 mph.
Sunday
Isolated showers after noon. Widespread haze. Sunny, with a high near 88. East northeast wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Widespread haze. Mostly clear, with a low around 81. East wind 9 to 11 mph. Chance of precipitation is 10%.
Monday
Showers likely, mainly before noon. Mostly sunny, with a high near 89. East wind 11 to 15 mph. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 79. East southeast wind around 11 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before noon. Partly sunny, with a high near 89. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 79. East wind 10 to 13 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before noon. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 50%.
Thursday
Showers likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Carolina PR
 18.41°N 65.98°W (Elev. 13 ft)
4:17 pm AST Jul 19, 2024
3am AST Jul 20, 2024-6pm AST Jul 26, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database