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

Hazardous Weather Conditions

Current conditions at

St. Croix (TISX)

Lat: 17.7°NLon: 64.81°WElev: 62ft.

A Few Clouds

90°F

32°C

Humidity 63%
Wind Speed E 16 mph
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 8 Aug 9:53 am AST
Extended Forecast for

3 Miles S Christiansted VI

Heat Advisory until August 8, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 8, 05:00pm

    NOW until 5:00pm Sat

    Heat Advisory

  • Today

    High: 90 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before midnight, then isolated showers after 3am. Widespread haze. Partly cloudy, with a low around 79. East northeast wind 18 to 20 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Widespread haze. Mostly sunny, with a high near 90. Heat index values as high as 104. East wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 90 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before midnight, then isolated showers after 3am. Widespread haze. Mostly clear, with a low around 79. East wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers before noon. Widespread haze after noon. Mostly sunny, with a high near 90. East wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers then
    Haze

  • Monday Night

    Monday Night: Scattered showers. Partly cloudy, with a low around 78. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 89. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 79. East wind 14 to 16 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

Detailed Forecast

Today
Isolated showers. Widespread haze. Mostly sunny, with a high near 90. Heat index values as high as 104. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Isolated showers before midnight, then isolated showers after 3am. Widespread haze. Partly cloudy, with a low around 79. East northeast wind 18 to 20 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Widespread haze. Mostly sunny, with a high near 90. Heat index values as high as 104. East wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Sunday Night
Isolated showers before midnight, then isolated showers after 3am. Widespread haze. Mostly clear, with a low around 79. East wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Monday
Scattered showers before noon. Widespread haze after noon. Mostly sunny, with a high near 90. East wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers. Partly cloudy, with a low around 78. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 79. East wind 14 to 16 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
Clear, with a low around 80.
Thursday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
Clear, with a low around 80.
Friday
Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Christiansted VI
 17.71°N 64.71°W (Elev. 3 ft)
Last Update:
7:01 am AST Aug 8, 2026
Forecast Valid:
10am AST Aug 8, 2026-6pm AST Aug 14, 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