St. Croix: Breezy, sun and clouds, stray a.m. thunderstorm, high 91

CHRISTIANSTED — Today St. Croix will be breezy with sun and clouds and a stray morning thunderstorm and a high of 91, AccuWeeather said.

Tonight St. Croix will experience mainly clear conditions and a low of 79, according to AccuWeather.

Don’t forget your umbrella today, remnant moisture will bring scattered showers and isolated thunderstorms, the National Weather Service said.

The heat risk remains limited across coastal and urban areas; vulnerable individuals should still take precautions, according to the NWS.

Heads up, U.S. Virgin Islands and Puerto Rico!

Moderate to high concentrations of Saharan dust particles are expected to gradually return today and prevail through at least Friday night, the NWS said.

“Stay safe and limit outdoor time if sensitive,” the NWS said on X.

Weather update for tomorrow:

We can expect elevated heat risks and afternoon showers with isolated thunderstorms, according to the NWS.

[July 17th | 10:40 AM AST]

Although showers and cloudiness have affected mainly the eastern region, several areas with clearer skies have reported heat indices in the 100s. A limited to elevated heat risk is in effect. #PRwx #USVIwx pic.twitter.com/cA4MOj0JCZ

— NWS San Juan (@NWSSanJuan) July 17, 2025