US National Weather Service Brownsville/Rio Grande Valley Texas

09/14/2026

09/14/2026

Hot temperatures will continue through the period. Isolated sea breeze showers and thunderstorms are possible each afternoon, with the highest chances Thursday and Friday.

09/14/2026

Favorable weather and surf conditions will make going back to work more difficult to do today.

09/14/2026

Wildfires are caused by a spark (usually man-made) in the presence of fuel (dry vegetation) and oxygen. Strong winds, high temperatures, low humidity and drought conditions can further impact the fire’s spread. To stay Weather-Ready and protect yourself from wildfires, visit weather.gov/safety/wildfire

09/14/2026

There is an Extreme Heat Risk across Deep South Texas and the Rio Grande Valley today. If spending time outdoors be sure to stay hydrated and practice heat safety. Visit weather.gov/heat for heat safety tips and resources.

09/14/2026

A Heat Advisory is in effect for Cameron, Willacy, and Kenedy counties from 11 AM until 6 PM today. Remember to stay hydrated, take advantage of air conditioning, and practice heat safety! Learn the symptoms of excessive heat exposure and the appropriate responses at weather.gov/safety/heat-illness

09/13/2026

Record high temperatures were broken in Harlingen and Brownsville as well as tied in McAllen today, dating as far back as 1900 (in Brownsville). We look forward to slightly cooler, but still above average, air by Thursday, remaining very hot in the meantime.

09/13/2026

A Heat Advisory is in effect for Kenedy, Starr, Hidalgo, Willacy, and Cameron counties from noon until 7 PM today. Remember to stay hydrated, take advantage of air conditioning, and practice heat safety! Learn the symptoms of excessive heat exposure and the appropriate responses at weather.gov/safety/heat-illness

09/13/2026

Above normal temperatures and dangerous heat will continue across Deep South Texas today through Monday, with little to no relief overnight. Isolated showers or thunderstorms are expected along the sea breeze, mainly this afternoon.