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Dry spell: Colloquially, an interval of very dry weather less extensive and less severe than a drought. In the United States, it is used in refer-ence to a rainless period lasting at least 15 days.
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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.
