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

Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

Partly Cloudy

100°F

38°C

Humidity 47%
Wind Speed SE 17 mph
Barometer 29.99 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index115°F (46°C)
Last update 4 Sep 12:53 pm AST
Extended Forecast for

2 Miles N Cruz Bay VI

Heat Advisory until September 4, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 4, 05:00pm

    NOW until 5:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 3pm. Mostly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 80. East wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

  • Labor Day

    Labor Day: Scattered showers, mainly before noon. Mostly sunny, with a high near 85. East southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 79. East wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 87. East southeast wind around 11 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
Scattered showers, mainly before 3pm. Mostly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 80. East wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Labor Day
Scattered showers, mainly before noon. Mostly sunny, with a high near 85. East southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 79. East wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 86. East wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 50%.
Thursday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Cruz Bay VI
 18.35°N 64.79°W (Elev. 0 ft)
Last Update:
1:36 pm AST Sep 4, 2026
Forecast Valid:
1pm AST Sep 4, 2026-6pm AST Sep 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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