An Extreme Heat Watch is in effect across a five-state region of the central Midwest from Sunday through Tuesday, covering most of Iowa, the Kansas City metro, wide swaths of Missouri and eastern Kansas, and extending into southeastern Minnesota, southwestern Wisconsin and northwestern Illinois.
National Weather Service in Des Moines explicitly warning that “excessive heat will persist through much of next week, potentially including the 4th of July weekend.”
Five States, Four NWS Offices, One Heat Dome
Four NWS offices — Des Moines, Quad Cities, Kansas City and La Crosse — have issued coordinated Extreme Heat Watches for Sunday afternoon through Tuesday evening, all pointing toward the same heat dome settling over the central United States.
Iowa is most comprehensively covered, with the Des Moines office placing most of the state under watch. Heat index values exceeding 100°F are expected on multiple days across Des Moines, Ames, Waterloo, Cedar Falls, Iowa City, Ottumwa, Oskaloosa, Mason City and dozens of smaller communities…