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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

Partly Cloudy

82°F

28°C

Humidity 58%
Wind Speed E 14 mph
Barometer 29.92 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Mar 4:53 pm AST
Extended Forecast for

St Thomas-Charlotte Amalie/CyrilE King Int Airport VI

  • Tonight

    Tonight: Scattered showers after midnight. Increasing clouds, with a low around 79. East southeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Mostly Clear
    then
    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Mostly sunny, with a high near 83. Southeast wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 79. Southeast wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon. Mostly sunny, with a high near 82. South wind around 11 mph. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 78. South wind 5 to 9 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 81. Light south wind. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 76. North northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 81. Northeast wind around 7 mph. Chance of precipitation is 40%.

    High: 81 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 77. Northeast wind around 9 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers after midnight. Increasing clouds, with a low around 79. East southeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday
Scattered showers. Mostly sunny, with a high near 83. Southeast wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 79. Southeast wind 11 to 13 mph. Chance of precipitation is 20%.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 82. South wind around 11 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 78. South wind 5 to 9 mph. Chance of precipitation is 40%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 81. Light south wind. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 76. North northeast wind around 6 mph. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 81. Northeast wind around 7 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 77. Northeast wind around 9 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
St Thomas-Charlotte Amalie/CyrilE King Int Airport VI
 18.33°N 64.98°W (Elev. 0 ft)
Last Update:
4:17 pm AST Mar 19, 2026
Forecast Valid:
5pm AST Mar 19, 2026-6pm AST Mar 26, 2026
 
Forecast Discussion
 
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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