The potential for severe weather in the Chicago area is being monitored by ABC7 Chicago meteorologists for potential storms that could bring hail, wind, and potentially significant changes to temperatures. The storms are expected to arrive between 4 p.m. and 10 p., with some storms expected to be severe with large hail and wind as main concerns. The cold front is expected to drastically drop temperatures across the area, causing some locations to drop 20 to 30 degrees in one to two hours. Most of Cook County is under a Level 2 to 3 out of 5 for risk of severe weather, and there is a small risk for a tornado well south of I-80.