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Historic Flooding in Rio Grande Valley Disrupts Communities and Services

Record-breaking rainfall has inundated southern Texas, triggering flash flood warnings, power outages, and widespread closures as emergency services respond to ongoing rescues.

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A man closes the trunk of his vehicle after it was caught in a flood in near the McAllen Convention Center during a downpour on Thursday, March 27, 2025, in McAllen., Texas.  (Joel Martinez /The Monitor via AP)
Vehicles are partially submerged in flood waters at a road in McAllen, Texas, on March 27, 2025 in this screengrab obtained from a social media video.
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Overview

  • The Rio Grande Valley has experienced unprecedented rainfall, with some areas receiving up to 15 inches over two days, breaking multiple records.
  • Flash floods have stranded vehicles and residents, prompting numerous water rescues in Hidalgo and Cameron counties as authorities urge caution on flooded roads.
  • Over 12,000 customers remain without power across Cameron, Hidalgo, and Willacy counties, with additional rainfall expected to worsen conditions through the weekend.
  • Schools, colleges, and public services have closed, while South Texas Health System McAllen hospital briefly diverted patients due to minor flooding.
  • The National Weather Service has issued ongoing severe weather warnings, highlighting risks of large hail, damaging winds, and potential tornadoes.