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

84°F

29°C

Humidity 29%
Wind Speed NE 10 mph
Barometer 29.97 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 3:53 pm AST
Extended Forecast for

7 Miles E Cruz Bay VI

Heat Advisory until August 18, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 18, 05:00pm

    NOW until 5:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 84 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 82. East wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 82 °F

    Scattered
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: 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 84. Southeast wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 3am. Mostly cloudy, then gradually becoming clear, with a low around 82. East wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers before noon. Sunny, with a high near 84. East wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 10%.

    High: 84 °F

    Isolated
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Isolated showers after midnight. Mostly clear, with a low around 82. East wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.

    Low: 82 °F

    Clear then
    Isolated
    Showers

  • Friday

    Friday: Sunny, with a high near 84. East wind around 18 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 82. East wind around 20 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 84. East northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 82. East wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
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 84. Southeast wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 3am. Mostly cloudy, then gradually becoming clear, with a low around 82. East wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday
Isolated showers before noon. Sunny, with a high near 84. East wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 10%.
Thursday Night
Isolated showers after midnight. Mostly clear, with a low around 82. East wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.
Friday
Sunny, with a high near 84. East wind around 18 mph, with gusts as high as 25 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 82. East wind around 20 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 84. East wind 17 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 82.
Sunday
Scattered showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 82.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 82.
Tuesday
Scattered showers. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Cruz Bay VI
 18.33°N 64.67°W (Elev. 3 ft)
Last Update:
3:00 pm AST Aug 18, 2026
Forecast Valid:
4pm AST Aug 18, 2026-6pm AST Aug 25, 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