HIGH: 78
LOW: 55
* May’s warmest temperatures to date help fuel an outbreak of severe weather later today into tonight with thunderstorm or tornado watches possible.
* Clusters of showers and thunderstorms, some capable of downpours, grow more scattered.
* Windy, warmer and more humid. South/southwest wind gusts 35-plus m.p.h.
* Several isolated afternoon t-storms can’t be ruled out, but more numerous, potentially severe thunderstorms arrive this evening.
MAY 13 TEMPERATURES
Normal high/low: 69(degrees)/46(degrees)
Record high: 89(degrees) (1991)
Record low: 34(degrees) (1996)
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Weather Report is prepared by the WGN-TV Weather Center, where Tom Skilling is chief meteorologist. His forecasts can be seen Monday through Friday on WGN News at 11:30 a.m., 5:30 p.m. and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.
IN THE WEB EDITION: For updated weather news, forecasts by ZIP code and local radar images, go to chicagotribune.com/weather or wgntv.com
