A cold front swinging across the Midwest will allow stormy weather to return to the region to close out the holiday weekend.
Storms are forecast to develop ahead of the cold front as it dips southward, spreading from Wisconsin and eastern Iowa on Sunday afternoon to central Michigan and northern Indiana on Sunday night.
These storms could impact travelers on their way home after the Independence Day weekend, including anyone heading to O'Hare International Airport to catch a flight during Sunday afternoon or evening.
Hail as large as golf balls and wind strong enough to blow over trees is expected be the primary threats as these storms develop and track across the Midwest.
Urban flooding will be another threat, especially in poor drainage and low-lying areas.
Roadways may become impassable for a time where flooding downpours dump several inches of rain causing further delays for the holiday traffic.
Soccer fans headed out to watch the Chicago Fire host the Sporting KC should also prepare for the wet weather in the event that a thunderstorm moves into the area before the end of the game.
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Sunday will only be the first of several days of stormy weather across the Midwest.
The slow-moving cold front will spark another round of thunderstorms from New York to Missouri on Monday, continuing the threat of large hail, damaging winds and localized flash flooding.
This includes the cities of Pittsburgh, Cleveland, Cincinnati and Indianapolis.
A new system quickly tracking across the Plains is expected to move into the Midwest right on the heels of this cold front, delivering another round of heavy storms from Ohio to Missouri on Tuesday.
This next wave of storms will extend the flooding threat as rainfall rates with these storms can exceed 1 inch an hour.
Areas that were hit by blinding downpours on Monday will be at a particularly higher risk of flooding on Tuesday due to the ground already being saturated with water.
This influx of rainwater is not good news for areas near the Mississippi River.
According to the National Weather Service, there are 21 river gauges in the Mississippi River watershed currently reporting major flooding levels, a majority of which are located in the Midwest.
High pressure is expected to build over the Midwest by Wednesday as showers and thunderstorms shift over the Northeast.
This dry weather will give some time for river levels to drop.
However, thunderstorms may return to the region before the start of next weekend.