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Heat Advisory Issued for Puerto Rico as Heat Index Could Reach 111 Degrees
13 updates over 24 days — last updated Jul 14, 2026
Heat Alert Issued for Most of Puerto Rico
via Primera Hora
The National Meteorological Service (SNM) in San Juan has issued a heat alert for 61 of Puerto Rico's 78 municipalities, effective from 10:00 a.m. to 5:00 p.m. on Saturday. The alert warns of 'dangerous heat and poor air quality' due…
Sweltering Heat and Dense Sahara Dust Complicate Weather in Puerto Rico
via Primera Hora
The weather in Puerto Rico will continue to be marked by intense heat, easterly winds, and high concentrations of Sahara dust, according to the National Meteorological Service (SNM) in San Juan. A high-pressure system in the Atlantic will maintain windy…
Trough to Bring Rain to the Island on Saturday
via Primera Hora
The National Meteorological Service (SNM) in San Juan reported that a trough in the lower levels of the atmosphere will approach the region on Saturday, increasing humidity and leading to more frequent rain showers over Puerto Rico and the US…
More Saharan Dust Arrives in Puerto Rico: What to Expect This Weekend
via Primera Hora
The National Meteorological Service (SNM) in San Juan reported that a new mass of Saharan dust will arrive in Puerto Rico this weekend, causing hazy skies, reducing rainfall activity, and potentially affecting air quality. According to the latest forecast, weather…
Heat, Sahara Dust, and Fireworks: Will it Rain During 4th of July Celebrations?
via El Nuevo Día
This 4th of July, Puerto Rico will experience a mix of heat, Sahara dust, and dry conditions, according to meteorologist Carlos Anselmi from the Servicio Nacional de Meteorología (SNM). A mass of dry air associated with the entry of Sahara…
Hazy Skies, Extreme Heat, and Fire: Conditions to Expect in Puerto Rico This Weekend
via Primera Hora
Puerto Rico is expected to experience dry, windy, and hot conditions this weekend, with a high concentration of Saharan desert dust particles in the air. The weather conditions will bring a high risk of forest fires, particularly in the southern…
Heat Alert Issued for 63 Municipalities in Puerto Rico
via El Nuevo Día
The National Weather Service (SNM) in San Juan issued a heat alert for 63 municipalities in Puerto Rico on Monday. Meteorologist Lee Ann Inglés stated that heat indices could reach 108 to 111 degrees Fahrenheit between 10:00 am and 5:00…
Puerto Rico Under Extreme Heat: 59 Municipalities Under Advisory, High Wildfire Risk
via Primera Hora
The National Weather Service (NWS) issued a heat advisory for 59 Puerto Rico municipalities on Thursday, effective from 10:00 a.m. to 5:00 p.m., with heat indices expected between 102 and 111 degrees Fahrenheit. Municipalities under the advisory include Caguas, San…
Red Flag Fire Warning Issued for Southern and Western Puerto Rico
via Primera Hora
The National Weather Service issued a red flag warning at midday for parts of southern and western Puerto Rico due to a high probability of wildfires, effective until 5:00 p.m. The advisory warns of the greatest fire danger from late…
Tropical Wave Brings Humidity and Heat to Puerto Rico
via NotiCel
A tropical wave passing south of the region will increase humidity today and Monday, leading to more showers, mainly in the interior and western parts of Puerto Rico. The additional humidity will also make the heat index reach between 100…
Mental Health Patients Face Higher Risk from Extreme Heat, Doctor Warns
via El Nuevo Día
Dr. José Massa, psychiatrist and vice president of Medical Affairs at APS Health, warned Monday at a press conference that extreme heat poses particular dangers to psychiatric patients, since some medications alter sweating and body temperature regulation. Massa said antipsychotics…
More Haze and Heat Expected Today
via NotiCel
A heat warning is in effect from 10:00 a.m. to 5:00 p.m. for coastal and urban areas of Puerto Rico, with a heat index potentially reaching between 108 and 111 °F, according to the National Weather Service. Although the environment…
Heat Advisory Issued for Puerto Rico as Heat Index Could Reach 111 Degrees
via Primera Hora
The National Weather Service (NWS) in San Juan reports that Puerto Rico will remain under dry, hot conditions in the coming days due to a combination of Saharan dust and a drier air mass dominating the region. A high-pressure system…