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Heat Index Could Hit 106°F Friday, NWS Issues Heat Advisory for Puerto Rico

4 updates over 9 days — last updated Oct 2, 2026

How it got here

Newest first

October1 update

  1. Heat, Humidity, and Thunderstorms Expected in Puerto Rico

    via El Nuevo Día

    The National Meteorological Service (SNM) forecasts a hot and humid day in Puerto Rico, with a possibility of strong thunderstorms in the afternoon, especially in the interior and west of the island.

September3 updates

  1. Weather Forecast: Heat and Humidity to Increase

    via WAPA TV

    A trough is approaching Puerto Rico, increasing the likelihood of rain and thunderstorms in the coming days. The heat and humidity are expected to rise, with high temperatures posing a heat risk. The wind will blow from the east-southeast at 15-20 mph.

  2. Heat Index Could Hit 106°F Friday, NWS Issues Heat Advisory for Puerto Rico

    via Metro PR

    The National Weather Service (NWS) in San Juan issued a heat advisory for the entire Puerto Rico archipelago, warning that the heat index could reach or exceed 106°F on Friday, particularly in coastal and urban areas. The advisory is in effect from 10:00 a.m.

  3. Puerto Rico weather forecast for Wednesday

    via El Nuevo Día

    According to meteorologist Cecille Villanueva of the Servicio Nacional de Meteorología (SNM), Wednesday morning in Puerto Rico is expected to be relatively calm, but the afternoon may bring showers and thunderstorms to the interior and northwest areas,…

Who is involved

Counted across this story’s own 4 articles. Names link to everything the archive holds on them; towns and reservoirs have their own pages instead.