Sunny skies, but cool winds persist off the lake

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Cool high pressure centered north of Lake Superior will hold fast for the next couple of days — meaning Chicago will continue to experience considerable sunshine and be influenced by north-to-northeast winds off the cold waters of Lake Michigan. Highs both Thursday and Friday will probably reach into the mid- and upper 40s well inland but be stuck in the upper 30s to around 40 at the lakefront.
Things change beginning Friday night as a moisture-laden low-pressure system tracks southeast out of the northern Plains passing to our south Saturday. Current forecast models indicate a broad band of accumulating snow developing from Minnesota through northeast Iowa across portions of northern and central Illinois. It will most likely be a heavy, wet snow — the exact track still to be determined.
Current forecast models indicate a broad band of accumulating snow developing from Minnesota through northeast Iowa across portions of northern and central Illinois.

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