 Reported deaths reached 22 in ten states by July 21, the end of the first stage of this heat wave.Reports of deaths trailed off over the week-end of July 21–23, though high temperatures persisted and power outages remained in a number of areas including New York, Missouri, and Illinois.In St. Louis, half the city was without power due to severe thunderstorms, prompting requests for volunteer nurses to help cope with the situation.