 Up to 250 patients who are awaiting discharge but can't be released to homes without power. Highs in the Houston area Tuesday climbed back into the 90s with humidity that made it feel even hotter. Similar heat and humidity was expected today. The National Weather Service described the conditions as potentially dangerous given the lack of power and air conditioning. For many in the Houston area, it is a miserable repeat after storms in May killed eight and left nearly one million without power who made flooded streets.