The Chicago area is coming off a morning with a mix of freezing temperatures and its first snowfall. The National Weather Service says it's the tenth time in local weather history that the two milestones took place on the same calendar day.https://www.chicagotribune.com/news/ct-aud-cb-daywatch-newsletter--20231031-kawxbv7w5vc6laz6vgjl4s34te-story.html