thousands were still without power Thursday and cleanup was ongoing following the Category 2 storm. Officials also warned that Dolly's aftereffects were not necessarily gone for good.
Downed power lines remained the greatest danger. One person in Matamoros, Mexico, died from electrocution after walking past a power line on the ground.
There will be substantial cleanup: President Bush declared 15 counties in south Texas a disaster area to release federal funding to them, and insurance estimators put the losses at $750 million.
But with Dolly long gone, 159,000 people in the region were still without power at 10 p.m. EDT Thursday, according to Gov. Rick Perry's office. The figure was down from 228,000 earlier in the day.
An aerial view of the Rio Grande Valley showed fields forming a checkerboard pattern, some inundated with water, others spared. Traffic was moving again in most places, but some residential areas were surrounded by floodwaters and debris was strewn across lawns.