Detroit: Dramatically Cooler, After a Hot Midweek

By Alex Sosnowski, Expert Senior Meteorologist

September 12,2013; 8:22PM,EDT

 

 

After a brief spell of late-summer heat, and showers and thunderstorms, some of the coolest weather of the season so far is in store for Detroit and Lower Michigan into the weekend.
A change is on the way after challenging record highs. Temperatures in some areas will end up be 50 to 60 degrees colder comparing midweek highs with weekend lows.
Temperatures reached the 90s Tuesday and Wednesday. However, by Friday morning, temperatures will have dropped into the lower 50s. By Saturday morning, most areas will be in the 40s, with a few spots a tad colder.

Canadian air will settle in over the region with much lower temperatures and humidity, as well as a gusty breeze. Some people will feel refreshed, while others may mind the sudden chill.
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Forecast Temperature Maps
Lower Michigan Interactive Radar
Locally Severe Storms, Delays Shift to I-95 Thursday
Severe thunderstorms and travel delays were focusing well south and east of Michigan Thursday night, along the I-95 corridor. However, a few stray storms ignited as the cooler air was coming in Thursday evening. Spotty showers and sprinkles will affect Lower Michigan later Thursday night into Friday.

It is not out of the question a few waterspouts form over the Great Lakes with the chilly air moving over the warm waters into Saturday.

The pattern Friday into the weekend could yield some of the lowest temperatures of the season so far for the metro area and the region in general.
There is a chance of frost in the coldest spots this weekend, where winds diminish and skies clear away from the lake.