Chicago's summers are stretching out into fall

Allergy sufferers in Chicago may still be sniffling well into fall. A new study examines the increase in freeze-free fall days here. That means a longer growing season for ragweed.

Chicago will soon experience 'weather whiplash'

A dramatic drop in Chicago's temperatures is just a few days away. It will even be a bit chilly in some spots this weekend but it looks like this cool change won't last long.