National Oceanic and Atmospheric Administration (NOAA)

SAN JUAN — Good morning! Our main image shows the water vapor visible on satellite imagery. A tropical wave is departing our area, but Saharan dust will follow, so please exercise…

SAN JUAN — Excessive Heat conditions will persist throughout the weekend with heat indices above 108 degrees F across the islands. A dense plume of Saharan Dust will continue to…

SAN JUAN — A prominent Saharan Air Layer will reach the islands later today prompting hazy skies and decreased air quality with pulses continuing to arrive through Sunday. Excessive Heat…

SAN JUAN — An upper trough and associated induced low level trough just northeast of the region will approach the area today through Monday increasing low level moisture. Hot, hazy…

CHARLOTTE AMALIE — A tropical wave and associated moisture field will continue to approach the islands bringing an increase in showers and thunderstorm activity across the region to start the…