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

Hazardous Weather Conditions

Current conditions at

St. Croix (TISX)

Lat: 17.7°NLon: 64.81°WElev: 62ft.

Fair

88°F

31°C

Humidity 66%
Wind Speed E 17 mph
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 23 Aug 8:53 am AST
Extended Forecast for

3 Miles SSW Christiansted VI

Heat Advisory August 23, 10:00am until August 23, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers. Sunny, with a high near 90. Heat index values as high as 103. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 81. East wind 15 to 17 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers before 9am. Sunny, with a high near 90. Heat index values as high as 103. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    High: 90 °F

    Isolated
    Showers then
    Sunny

  • Monday Night

    Monday Night: Scattered showers, mainly between 9pm and midnight. Mostly clear, with a low around 81. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 90. East wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then scattered showers. Mostly cloudy, with a low around 81. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 81 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Sunny, with a high near 90. East northeast wind around 16 mph, with gusts as high as 21 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 81. East wind around 17 mph, with gusts as high as 22 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. East wind around 16 mph, with gusts as high as 21 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers. Sunny, with a high near 90. Heat index values as high as 103. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 81. East wind 15 to 17 mph. Chance of precipitation is 30%.
Monday
Isolated showers before 9am. Sunny, with a high near 90. Heat index values as high as 103. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Monday Night
Scattered showers, mainly between 9pm and midnight. Mostly clear, with a low around 81. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 90. East wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then scattered showers. Mostly cloudy, with a low around 81. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 90. East northeast wind around 16 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 81. East wind around 17 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 90. East wind around 16 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 81.
Friday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Saturday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Christiansted VI
 17.71°N 64.73°W (Elev. 0 ft)
Last Update:
3:47 am AST Aug 23, 2026
Forecast Valid:
9am AST Aug 23, 2026-6pm AST Aug 29, 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