July 12, 2014; 8:59 AM ET
Strong thunderstorms will threaten Chicago this weekend before the city gets a taste of September. more >
A shower or thunderstorm in spots in the morning; otherwise, humid with times of clouds and sun
Rises at 5:29 AM with 15:00 of sunlight, then sets at 8:29 PM
Rises at 9:13 PM with 11:02 of moolight, then sets at 8:15 AM
Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.