Expires:202504211300;Remove:202504211300;194924 WWUS84 KBRO 210924 SPSBRO Special Weather Statement National Weather Service Brownsville TX 424 AM CDT Mon Apr 21 2025 TXZ250-251-253>255-351-353>355-211300- Brooks-Inland Kenedy-Southern Hidalgo-Inland Willacy- Inland Cameron-Coastal Kenedy-Northern Hidalgo-Coastal Willacy- Coastal Cameron- Including the cities of Falfurrias, Sarita, McAllen, Edinburg, Pharr, Mission, Weslaco, Raymondville, Brownsville, Harlingen, San Manuel, Port Mansfield, Port Isabel, and Laguna Vista 424 AM CDT Mon Apr 21 2025 ...ISOLATED PATCHES OF DENSE FOG DEVELOPING AND PERSISTING... Surface observations across Deep South Texas and the Rio Grande Valley indicate that isolated patches of dense fog are developing and persisting within the region at this time. Visibilities are being reduced to one half mile or less where this dense fog is forming. Motorists are encouraged to reduce speed, use low beam headlights, and avoid tailgating in any fog through the next few hours and especially during the morning commute to work and school. $$ TOMASELLI