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Scud: Unattached, ragged, low, gray clouds, usually stratus fractus, moving rapidly below a layer of higher clouds, and usually during inclement weather; occur most frequently in the winter.
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Tom Skilling is chief meteorologist at WGN-TV. His forecasts can be seen Monday through Friday on WGN-TV News at noon and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.
