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

Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. A tropical wave over the northeastern Caribbean Sea is being monitored for tropical cyclone formation within the next few days which is bringing periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

Light Rain

79°F

26°C

Humidity 89%
Wind Speed S 13 G 23 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Heat Index83°F (28°C)
Last update 24 Sep 6:53 pm AST
Extended Forecast for

St Thomas-Charlotte Amalie/CyrilE King Int Airport VI

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before midnight, then scattered showers and thunderstorms after midnight. Low around 84. East southeast wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 84 °F

    Showers then
    Scattered
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 84. East wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 84. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 84 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. East southeast wind around 8 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 84. South southeast wind around 8 mph. Chance of precipitation is 60%.

    Low: 84 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. South southeast wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 84. South southeast wind 9 to 11 mph. Chance of precipitation is 40%.

    Low: 84 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 85. South southeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 84. East southeast wind around 14 mph, with gusts as high as 20 mph.

    Low: 84 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before midnight, then scattered showers and thunderstorms after midnight. Low around 84. East southeast wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 84. East wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 84. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. East southeast wind around 8 mph. Chance of precipitation is 40%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 84. South southeast wind around 8 mph. Chance of precipitation is 60%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. South southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 84. South southeast wind 9 to 11 mph. Chance of precipitation is 40%.
Sunday
Scattered showers. Partly sunny, with a high near 85. South southeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 84. East southeast wind around 14 mph, with gusts as high as 20 mph.
Monday
Scattered showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 84.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 84.
Wednesday
Mostly sunny, with a high near 85.
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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:
7:35 pm AST Sep 24, 2025
Forecast Valid:
7pm AST Sep 24, 2025-6pm AST Oct 1, 2025
 
Forecast Discussion
 
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