Temperatures hit dangerous levels in parts of South, Midwest

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Temperatures are climbing to dangerous levels in several Midwestern and Southern states.

The National Weather Service has issued heat advisories for parts of Missouri, Kansas, Texas, Oklahoma, Arkansas, Mississippi and Louisiana.

Cities where cooling centers are operating include the St. Louis suburb of Arnold and southwest Missouri's Joplin.

Thursday was expected to be the hottest day, with temperatures in the mid- to upper-90s. In the Kansas City area, the humidity will make it feel closer to 110 degrees. National Weather Service meteorologist Jonathan Welsh says "it will be a cooker."

Temperatures are expected to drop slightly into the lower 90s across the area over the weekend. Missouri and northeast Kansas will get some relief Tuesday, with temperatures expected in the upper 80s. Elsewhere, temperatures will remain in the 90s.