National Weather Service United States Department of Commerce

Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Overview

Warm and humid conditions were found across the Midwest ahead of a cold front that moved into central Iowa by the late afternoon of July 13. Scattered showers and thunderstorms developed and moved across eastern Iowa, northeast Missouri and western Illinois during the afternoon. Some of the thunderstorms along and south of Interstate 80 were severe and produced wind damage from Sigourney, IA to Muscatine, IA to Princeton, IL. These storms knocked out power to thousands of people in the Quad Cities for several hours, with numerous trees and power lines down. There was also additional thunderstorm wind damage near Macomb, IL which was associated with a line of storms moving northeastward out of Missouri. Heavy rain was also common with several locations receiving over an inch of rain in a short amount of time. The highest rainfall amounts were generally along a line from Montezuma, IA, to Muscatine, IA to Princeton, IL, where 1 to 2 inches of rain fell.

Additional Information: IEM Interactive Radar Loop SPC Outlook/Reports
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