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Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

Partly Cloudy

90°F

32°C

Humidity 59%
Wind Speed E 10 mph
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 17 Aug 8:53 am AST
Extended Forecast for

3 Miles ENE Cruz Bay VI

Heat Advisory August 17, 10:00am until August 17, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 85. East wind 13 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 76. East wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Scattered
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. East southeast wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 76. East wind 13 to 20 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Sunny, with a high near 85. East wind 18 to 22 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. East wind around 18 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Scattered showers before noon. Mostly sunny, with a high near 85. East wind 16 to 20 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers then
    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. East wind 13 to 15 mph, with gusts as high as 20 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 76. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 76. East wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. East southeast wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 76. East wind 13 to 20 mph. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 85. East wind 18 to 22 mph.
Thursday Night
Mostly clear, with a low around 77. East wind around 18 mph, with gusts as high as 23 mph.
Friday
Scattered showers before noon. Mostly sunny, with a high near 85. East wind 16 to 20 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Scattered showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 85.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Cruz Bay VI
 18.35°N 64.74°W (Elev. 482 ft)
Last Update:
7:55 am AST Aug 17, 2026
Forecast Valid:
9am AST Aug 17, 2026-6pm AST Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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