San Juan, PR

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Last Map Update: Wed, Jul 22, 2026 at 10:44:33 am AST

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Heat Advisory

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[July 22] A Heat Advisory is in effect from 10 AM to 4 PM for urban and coastal areas of Puerto Rico, Vieques, Culebra, and the USVI. Please drink plenty of water and stay out of the sun during peak hours! Later this afternoon, expect strong showers and thunderstorms. Urban and small stream flooding is possible, especially across western Puerto Rico. Drive with caution! Una Advertencia de Calor está en efecto de 10 AM a 4 PM para las zonas urbanas y costeras de Puerto Rico, Vieques, Culebra y las USVI. ¡Manténgase hidratado y protéjase del sol! Durante la tarde, se esperan aguaceros fuertes y tronadas. Inundaciones urbanas y de riachuelos son posibles, especialmente en el oeste de Puerto Rico. ¡Maneje con cuidado! #PRwx #USVIwx

NWS San Juan, PR