Excessive Heat for the East; Excessive Rainfall for the Southwest; Severe Weather for the Center of the Nation

Extreme HeatRisk impacts will expand from the Midwest into the Mid-Atlantic and Northeast today. This level of HeatRisk is known for being rare and/or long duration with little to no overnight relief, and affects anyone without effective cooling and/or adequate hydration. Severe weather potential continues from the Great Lakes to the Central Plains today. Heavy rainfall for Southwest on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34° N Lon: 64.97° W Elev: 23 ft.

Mostly Cloudy

87°F

31°C

Humidity 70%
Wind Speed E 15 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 23 Jun 4:53 pm AST
Detailed forecast for

St.Thomas...St. John.. and Adjacent Islands

Tonight
Partly cloudy with isolated showers. Breezy with lows around 82. East winds 15 to 25 mph. Chance of rain 20 percent.
Tuesday
Breezy. Partly cloudy in the morning then clearing. Isolated showers. Hazy. Highs around 91. East winds 20 to 25 mph. Chance of rain 20 percent.
Tuesday Night
Breezy. Hazy in the evening. Clear in the evening, then partly cloudy with isolated showers after midnight. Lows around 82. East winds 20 to 25 mph. Chance of rain 20 percent.
Wednesday
Breezy. Partly cloudy with isolated showers in the morning, then mostly sunny in the afternoon. Highs around 91. East winds 20 to 25 mph. Chance of rain 20 percent.
Wednesday Night
Breezy. Partly cloudy with isolated showers. Hazy. Lows around 82. East winds around 20 mph with gusts up to 30 mph. Chance of rain less than 20 percent.
Thursday
Breezy. Partly cloudy with isolated showers. Hazy. Highs around 91. Chance of rain 20 percent.
Thursday Night
Breezy. Partly cloudy with isolated showers. Hazy. Lows around 82. Chance of rain 20 percent.
Friday
Breezy. Variably cloudy with scattered showers. Highs around 90. Chance of rain 40 percent.
Friday Night
Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent.
Saturday
Breezy. Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.
Saturday Night
Breezy. Variably cloudy with scattered showers. Lows around 82. Chance of rain 30 percent.
Sunday
Breezy. Isolated thunderstorms in the morning. Variably cloudy with scattered showers. Highs around 91. Chance of rain 50 percent.
Sunday Night
Breezy. Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent.
Monday
Breezy. Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.



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501 PM AST Mon Jun 23 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database