Weather Alerts For Port Mansfield, TX

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values up to 124 expected. WHERE Much of Deep South Texas. WHEN From 11 AM this morning to 8 PM CDT this evening. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ISSUED AT Thursday, June 18, 2026 at 1:13 AM CDT ISSUED BY National Weather Service Brownsville TX HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. # AREAS AFFECTED -------------------- Coastal Willacy, Inland Willacy, Brooks, Coastal Cameron, Coastal Kenedy, Inland Cameron, Inland Kenedy, Jim Hogg, Northern Hidalgo, Southern Hidalgo, Starr, Zapata Including the cities of Falfurrias, Zapata, Harlingen, Weslaco, Rio Grande City, Mission, Raymondville, Hebbronville, Roma, Brownsville, McAllen, Port Isabel, Laguna Vista, Port Mansfield, San Manuel, Edinburg, Pharr, and Sarita