"Sticky heat was expected to smother much of the country’s midsection in the coming days as hotter-than-usual temperatures continued to roast parts of the Midwest and South […]. Areas of Kansas, Missouri and Oklahoma were under excessive heat warnings with heat advisories issued for a large swath of the central United States." — Yahoo! News
Photos from spysgrandson, TPorter2006, bassgal71, and Bill Oswald.