A weather system passing through on Wednesday could also bring rain or snow, which has the potential to last into Thanksgiving Day, according to National Weather Service meteorologist Kevin Birk. Here’s when Chicago received its first snow of the fall ...

Colder air hits Chicago this morning but at least it will be sunny today. Highs will be close to 40 degrees but with a strong breeze it will feel colder.

Potential “waves of snow” could move over Chicago starting Tuesday night through Thursday, the Thanksgiving holiday. The storm could affect travel in the broader Great Lakes region in the days leading up to Thanksgiving and on the holiday itself, according to the National Weather Service .

A storm that was pounding California's Sierra Nevada with snow Tuesday took aim at the Colorado Rockies and could roll east and slam the Appalachians on Thanksgiving Day, bringing unsettled travel weather to millions of Americans hitting the skies and roads for the holiday weekend.