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.

Partly Cloudy

88°F

31°C

Humidity 66%
Wind Speed SE 12 mph
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 2 Sep 12:53 pm AST
Extended Forecast for

3 Miles ESE Christiansted VI

Heat Advisory September 2, 01:36pm until September 2, 04:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 01:36pm until September 2, 04:00pm

    NOW until 4:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 81. East wind 11 to 13 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 90. East wind 11 to 13 mph. Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly after 3am. Partly cloudy, with a low around 82. East wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers

  • Saturday

    Saturday: Sunny, with a high near 90. East southeast wind around 14 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 82. East southeast wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 82 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 90. Heat index values as high as 102. East wind around 11 mph. Chance of precipitation is 10%.
Tonight
Scattered showers, mainly before midnight. Partly cloudy, with a low around 81. East wind 11 to 13 mph. Chance of precipitation is 40%.
Thursday
Isolated showers. Mostly sunny, with a high near 90. East wind 11 to 13 mph. Chance of precipitation is 20%.
Thursday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 82. East wind 10 to 13 mph. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 90. East southeast wind around 14 mph.
Saturday Night
Scattered showers. Partly cloudy, with a low around 82. East southeast wind 9 to 11 mph. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after noon. Partly sunny, with a high near 91. East southeast wind around 10 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 82. Chance of precipitation is 60%.
Labor Day
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 82.
Tuesday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Christiansted VI
 17.73°N 64.67°W (Elev. 7 ft)
Last Update:
12:06 pm AST Sep 2, 2026
Forecast Valid:
1pm AST Sep 2, 2026-6pm AST Sep 8, 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