Weather Alerts Map

Humacao Municipio weather alerts

1 advisory is in effect for Humacao Municipio, PR. The most serious is a heat advisory.

Since 2016 the National Weather Service has issued about 267 alerts that included Humacao Municipio, roughly 27 a year. The most common is the flood advisory (200 from 2016 to 2025). No tornado warnings were recorded here in that period. 1 tornadoes have touched down in the county since 1950.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Active alerts for Humacao Municipio

Heat Advisory

San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Interior; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Isla…Until · NWS San Juan PR

HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON

Full alert text
* WHAT...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration.

* WHERE...Puerto Rico and Virgin Islands.

* WHEN...Until 5 PM AST this afternoon.

* IMPACTS...High temperatures or elevated heat indices can worsen
symptoms in people with chronic conditions. They can also increase
the risk of heat-related illness among individuals sensitive to
heat with inadequate cooling or hydration. These risks are highest
across coastal areas, lowlands, interior valleys, and urban zones.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Map data: NWS, OpenFreeMap, OpenStreetMap

Recent alerts in Humacao Municipio

IssuedAlertArea
Nov 14, 8:51 AM ESTHeat AdvisorySan Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Inter

Humacao Municipio alert history

Alert events that included Humacao Municipio or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Flood Advisory20010October 1, 2026
Flash Flood Warning501April 7, 2026
Flood Warning143October 18, 2026
Severe Thunderstorm Warning30June 2, 2024

Tornado history in Humacao Municipio

1 tornadoes have been recorded in Humacao Municipio since 1950. That ranks 6 of 78 counties in Puerto Rico. The most recent was on September 8, 1999 (rated F0).

EF0: 1EF01EF1: 0EF1EF2: 0EF2EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Humacao Municipio

DateRatingCountyPath lengthWidthDeathsInjuries
September 8, 1999F0Humacao Municipio0.1 mi0 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
September 8, 1999F0Humacao Municipio0.1 mi0 yd00

Puerto Rico tornado history and map →

About Humacao Municipio

Neighboring counties