The heat wave will start in the Plains states and parts of the intermountain West, eventually spreading to the West Coast, South and Midwest by Thursday, July 21. The heat wave is also likely to seep **rthward into southern Alberta and Ontario.
Cities like Dallas, Denver, Oklahoma City, Kansas City, Chicago, Minneapolis, Fargo and eventually New York City and Washington, D.C. may experience sizzling heat and stifling humidity by the end of the week. Read more...