Severe thunderstorms and rain showers are expected to hit the Chicago area on Thursday afternoon, with temperatures expected to drop from the 60s to the 40s. The drop could bring winds of up to 60 mph and potentially produce damaging hail. The National Weather Service warns that the severe weather could cause tree limbs to fall and potentially damage cars. The forecast also includes a low of 28 degrees for Friday and a high of around 50 degrees for Saturday.