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Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

Mostly Cloudy

86°F

30°C

Humidity 70%
Wind Speed E 12 mph
Barometer 30.08 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Jul 8:53 am AST
Extended Forecast for

Charlotte Amalie VI

  • Today

    Today: Scattered showers. Partly sunny, with a high near 90. Heat index values as high as 104. East wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 90 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 80. East wind around 23 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 90. Heat index values as high as 103. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 90 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 80. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 90. East wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    Low: 80 °F

    Isolated
    Showers

  • Friday

    Friday: Widespread haze. Mostly sunny, with a high near 90. East wind 13 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Haze

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 80. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers before noon. Mostly sunny, with a high near 90. East southeast wind around 13 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers then
    Sunny

Detailed Forecast

Today
Scattered showers. Partly sunny, with a high near 90. Heat index values as high as 104. East wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Scattered showers. Mostly cloudy, with a low around 80. East wind around 23 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 90. Heat index values as high as 103. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 80. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 90. East wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Friday
Widespread haze. Mostly sunny, with a high near 90. East wind 13 to 15 mph, with gusts as high as 20 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 80. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
Scattered showers before noon. Mostly sunny, with a high near 90. East southeast wind around 13 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlotte Amalie VI
 18.33°N 64.94°W (Elev. 3 ft)
Last Update:
4:10 am AST Jul 15, 2025
Forecast Valid:
10am AST Jul 15, 2025-6pm AST Jul 21, 2025
 
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