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 >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Mostly Cloudy

79°F

26°C

Humidity 94%
Wind Speed Vrbl 3 mph
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Jul 5:15 am AST
Extended Forecast for

Santa Isabel PR

Heat Advisory July 20, 10:00am until July 20, 05:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Showers likely.  Mostly cloudy, with a low around 77. East wind around 10 mph.  Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers, mainly before noon.  Widespread haze after noon. Mostly sunny, with a high near 93. Heat index values as high as 106. East wind 13 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%.

    High: 93 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Widespread haze. Clear, with a low around 78. East northeast wind 7 to 10 mph.

    Low: 78 °F

    Haze

  • Sunday

    Sunday: Isolated showers before 9am.  Widespread haze. Sunny, with a high near 93. Heat index values as high as 102. East northeast wind 9 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 10%.

    High: 93 °F

    Isolated
    Showers then
    Haze

  • Sunday Night

    Sunday Night: Isolated showers after midnight.  Widespread haze before midnight. Mostly clear, with a low around 76. Northeast wind 7 to 10 mph.  Chance of precipitation is 10%.

    Low: 76 °F

    Haze then
    Isolated
    Showers

  • Monday

    Monday: Scattered showers.  Mostly sunny, with a high near 90. East wind 9 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers.  Mostly cloudy, with a low around 77. East wind 7 to 9 mph.  Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 93. East southeast wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 77. East northeast wind 8 to 10 mph.

    Low: 77 °F

    Clear

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 77. East wind around 10 mph. Chance of precipitation is 60%.
Saturday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 93. Heat index values as high as 106. East wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Saturday Night
Widespread haze. Clear, with a low around 78. East northeast wind 7 to 10 mph.
Sunday
Isolated showers before 9am. Widespread haze. Sunny, with a high near 93. Heat index values as high as 102. East northeast wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.
Sunday Night
Isolated showers after midnight. Widespread haze before midnight. Mostly clear, with a low around 76. Northeast wind 7 to 10 mph. Chance of precipitation is 10%.
Monday
Scattered showers. Mostly sunny, with a high near 90. East wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 77. East wind 7 to 9 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 93. East southeast wind 11 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Clear, with a low around 77. East northeast wind 8 to 10 mph.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 77.
Thursday
Scattered showers. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Thursday Night
Clear, with a low around 77.
Friday
Sunny, with a high near 92.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
3:36 am AST Jul 20, 2024
5am 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