Getting your Trinity Audio player ready...
Warm front: The transition zone between two air masses, one relatively cool and the other relatively warm, moving so that the warmer air replaces the cooler air; the “leading edge” of a warm air mass.
———-
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.
