National Weather Service United States Department of Commerce

While storms will be on a general weakening trend, some stronger storms will continue progressing east through the morning hours. Some strong winds and heavy rainfall will be possible with these storms which could exacerbate problems in areas that saw 2+ inches of rainfall just last night.
A line of thunderstorms will move eastward into the local area this morning with a few strong to severe storms possible. Heavy rain and strong to locally damaging wind gusts will be the primary threats with these storms along and north of I-90. Be sure to stay weather aware this morning and alter any outdoor plans as necessary!
Multiple rounds of thunderstorms will affect the region from tonight through Monday. Heavy rain will be possible with any storms. If multiple rounds of storms affect the same locations, those locations could receive more than 2 to 5 inches of rain over this period. Unfortunately, exact locations of the heaviest rain are uncertain, as is frequently the case with thunderstorms this time of year. Monitor the latest forecasts and plan ahead - clear debris from gutters and storm drains if you are able.
Heat index values up to 105° are expected this afternoon, primarily in portions of northeast Iowa. Limit outdoor activities and stay hydrated, take breaks in shade, and wear light loose fitting clothing.