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Possible—but cloud cover across the Chicago area makes it a dicey proposition. Better chances as you head north into Wisconsin.
What are the northern lights?
The northern lights, also known as the Aurora Borealis, are the luminous, radiant emission from the upper atmosphere over middle and high latitudes, and centered around the earth’s magnetic poles. These silent fireworks are often seen on clear winter nights in a variety of shapes and colors.
WGN-TV Tom Skilling Weather Center
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