The season’s first measurable snow reached Chicago early Monday, November 10, 2025, as Arctic air swept across the Great Lakes, producing intense lake-effect snow bands over Lakes Michigan, Erie, and Ontario. Travel warnings were issued from Illinois to western New York, with authorities urging drivers to avoid non-essential travel.
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Arctic air is settling southward from Canada into the central and eastern U.S. This will cause dangerously cold temperatures to be felt by a large portion of country for the next few days, the U.S. National Weather Service (NWS) warns.Temperatures will be 20 to 25
At the start of 2013, temperature change occurred high in the atmosphere over the Arctic Circle, which caused an arctic outbreak in North America during the middle of January. In some places the air just north of the Great Lakes was colder than that over the North
