621 WWUS74 KBRO 131604 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 1104 AM CDT Sun Sep 13 2026 TXZ251>255-351-353>355-140000- /O.NEW.KBRO.HT.Y.0013.260913T1700Z-260914T0000Z/ Inland Kenedy-Starr-Southern Hidalgo-Inland Willacy-Inland Cameron-Coastal Kenedy-Northern Hidalgo-Coastal Willacy-Coastal Cameron- Including the cities of Brownsville, Port Isabel, Raymondville, Pharr, Roma, Port Mansfield, McAllen, Rio Grande City, Sarita, Harlingen, Edinburg, San Manuel, Weslaco, Laguna Vista, and Mission 1104 AM CDT Sun Sep 13 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Heat index values up to 114 expected. * WHERE...Coastal Cameron, Coastal Kenedy, Coastal Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Northern Hidalgo, Southern Hidalgo, and Starr Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit exercise and strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Heat related illnesses increase significantly during extreme heat and high humidity events. && $$ BE