Weather Alerts For Port Isabel, TX

URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 824 PM CST Sat Dec 13 2025 Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland Cameron-Coastal Kenedy-Northern Hidalgo- Coastal Willacy-Coastal Cameron-Kenedy Island-Willacy Island- Cameron Island- Including the cities of Harlingen, Hebbronville, Brownsville, Raymondville, South Padre Island, Weslaco, Falfurrias, Boca Chica Beach, Pharr, Laguna Vista, San Manuel, Rio Grande City, Sarita, Port Mansfield, Port Isabel, Roma, Zapata, Mission, McAllen, and Edinburg 824 PM CST Sat Dec 13 2025 ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...All of Deep South Texas and the Rio Grande Valley. * WHEN...From midnight tonight to 8 AM CST Sunday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use low beam headlights or fog lamps, and leave plenty of distance ahead of you and between vehicles. &&