San Juan, PR

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Last Map Update: Wed, Jul 22, 2026 at 5:04:25 am AST

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Heat Advisory

Today | Hoy

Finally, some rain this week?

Radar

[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

July 20–24, 2026: A wetter pattern is expected this workweek as a trough brings increased shower and thunderstorm activity Tuesday into Wednesday. A tropical wave is then expected to bring another opportunity for rainfall late in the week. Despite the wetter pattern, heat remains a concern, with the highest risk around midweek. Fire weather concerns will also persist through much of the week. | Se espera un patrón más lluvioso esta semana laboral, con una vaguada aumentando la actividad de aguaceros y tronadas entre martes y miércoles. Luego, una onda tropical traerá otra oportunidad de lluvia a finales de la semana. A pesar del aumento en la lluvia, el calor seguirá siendo una preocupación, con el mayor riesgo a mitad de semana. El riesgo de incendios también persistirá durante gran parte de la semana.

NWS San Juan, PR