Rounds of thunderstorms, including severe weather, will affect the Midwest this weekend into Monday, ahead of a push of unseasonably cool air.See video here
While the effect of the July sun and warm landscape will cancel some of the cool air, it will become surprisingly cool during what is typically the hottest time of the year.
According to AccuWeather Meteorologist Carl Erickson, "The pattern is reminiscent of a major polar plunge that occurred this past winter, which was referred to as the Polar Vortex
A piece of the Polar Vortex, and a summertime version at that will break off from the Arctic and drop southward this coming week.
The pattern will not bring snow or sub-zero cold but it will bring angry clouds, cool air and the risk of waterspouts over the warmer portions of Great Lakes.