The National Meteorological Center (SNM) in San Juan said that a tropical wave will begin to move over the Puerto Rico region starting tonight.
According to the agency, the rain is forecast to continue until Monday morning, however, dust from the Sahara desert will arrive later in the afternoon.
A tropical wave will bring showers and isolated thunderstorms Sunday night into Monday morning, with heavy impact over E-PR & USVI. Dry air associated with Saharan dust will lead to mainly fair weather and hazy skies by Monday. #PRwx #USVIwx pic.twitter.com/tykIGbExlB
— NWS San Juan (@NWSSanJuan) July 23, 2022
“A tropical wave will bring showers and thunderstorms Sunday night into Monday morning, which will have the biggest impact on E-PR and the USVI. Saharan dust and dry air will cause fair weather and hazy skies Monday,” SNM said.
Sunday: Showers over E-PR & USVI. PM showers and T-storms over W-PR. High heat indices in the low 100s.
Sunday: Showers in eastern PR and Virgin Islands. Thunderstorms over western PR. Heat indices peak in the low 100s. #PRwx #USVIwx pic.twitter.com/FmLWbKsjXB
— NWS San Juan (@NWSSanJuan) July 24, 2022
Rain is concentrated in the east of the island and thunderstorms are reported in the west.
The Meteorological Department has warned that the heat index will reach 100 degrees.