Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

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Last Map Update: Sun, Aug 3, 2025 at 11:52:23 am AST

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La humedad persistente causada por una onda tropical que se aleja de nuestra área causará aguaceros y tronadas en las horas de la tarde a través del noroeste de Puerto Rico. El resto del área, incluyendo las Islas Vírgenes Estadounidenses, pueden esperar aguaceros pasajeros durante el día. La humedad combinada con temperaturas altas, elevará la amenaza de calor particularmente en las áreas costeras. Lingering humidity caused by a tropical wave moving away from our area, will lead to showers and thunderstorms in the afternoon across northwestern PR. The rest of the area, including the USVI can expect passing showers throughout the day. The combination of this humidity and high temperatures will elevate the heat threat particularly along the coastal areas. #prwx #usviwx

[AUG 3] A Heat Warning is in effect for the coastal areas and a Heat Advisory is in effect for the rest of the region. Both are in effect from 10 AM to 4 PM, due to high temperatures and lingering moisture. Un Aviso de Calor está en efecto para las áreas costeras y una Advertencia de Calor está en efecto para el resto del área desde las 10 AM hasta las 4 PM debido a humedad persistente y temperaturas altas.

[Aug 3rd] A moderate risk of life-threatening rip currents is expected along the beaches of northern to eastern Puerto Rico, Culebra, and St. Croix today. Breaking waves are anticipated to reach around 4 to 5 feet. Swimmers are strongly advised to exercise extreme caution, remain near a lifeguard if possible, and always adhere to local flag warning systems to ensure their safety. Se espera un riesgo moderado de corrientes marinas que amenazan la vida hoy y esta noche a lo largo de las playas del norte y este de Puerto Rico, Culebra y St Croix hoy. Se anticipa que las olas rompientes alcancen alrededor de 4 a 5 pies. Se recomienda encarecidamente a los bañistas que extremen la precaución, permanezcan cerca de un salvavidas si es posible y siempre sigan los sistemas locales de banderas de advertencia para garantizar su seguridad.