A series of low pressure systems swinging through the Midwest and Great Lakes today and tomorrow will bring more wet weather than wintry weather through Wednesday morning. This morning, however, temperatures are right at freezing, or 32 degrees, so as scattered drizzle and light rain has been falling there is the possibility of a few slick spots through 9am. Areas that you'll need to watch will be parking lots, sidewalks, decks and bridges and overpasses. By this afternoon, temperatures will rise into the upper 30's eliminating the threat for wintry weather.
An increase in moisture with low pressure today will keep a steady rain falling through the evening commute and overnight. Temperatures won't fall off much tonight, and will likely rise into Tuesday morning. The rainfall will be ending mid-morning Tuesday with drier wrapping in. Temperatures will stay in the low 40's. The passage of low pressure Tuesday evening will bring back the chance for a wintry mix that will last through Wednesday morning.
Rainfall totals through Tuesday morning could add up to half an inch.
Wednesday evening another low pressure system will track northeast through the Ohio River Valley. While the exact track is still a little uncertain at this time, there is the possibility of accumulating snowfall not that far away from the Stateline. Right now, the greatest threat for accumulating snow would be closer towards Chicago and NW Indiana. Should that low shift further east, it will take any potential for snowfall east with it. If it tracks a little further west, the snow band will also shift west.
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