Getting your Trinity Audio player ready...
Sky glow: Especially prevalent over large cities, it is a brightening of the night sky caused by the scattering of artificial light by water droplets and fine particles such as dust in the air.
———-
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.
