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Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

A Few Clouds

86°F

30°C

Humidity 25%
Wind Speed E 12 mph
Barometer 30.04 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Jul 8:53 am AST
Extended Forecast for

3 Miles ENE Vieques PR

Heat Advisory July 26, 10:00am until July 26, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 86. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 86 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 79. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 79 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then scattered showers after noon. Partly sunny, with a high near 87. East southeast wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 80. East wind 13 to 15 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 88. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 80. East wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers before noon. Mostly sunny, with a high near 87. East southeast wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 81. East wind 18 to 21 mph, with gusts as high as 26 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. East wind 20 to 22 mph, with gusts as high as 28 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 86. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tonight
Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 79. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Scattered showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then scattered showers after noon. Partly sunny, with a high near 87. East southeast wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 80. East wind 13 to 15 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Partly sunny, with a high near 88. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 80. East wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers before noon. Mostly sunny, with a high near 87. East southeast wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 81. East wind 18 to 21 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 87. East wind 20 to 22 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 80.
Saturday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Vieques PR
 18.15°N 65.4°W (Elev. 62 ft)
Last Update:
7:29 am AST Jul 26, 2026
Forecast Valid:
9am AST Jul 26, 2026-6pm AST Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation