Midwest Braces for Multiple Waves of Severe Storms and Tornadoes.

Multiple waves of severe storms are expected to hit Chicago over the next 24 hours, with the possibility of heavy rain, hail, and tornadoes. The first wave of storms has already hit, with a severe thunderstorm watch in effect until 3 p.m. for several counties in Illinois and northwest Indiana. The second wave is expected to hit during the late afternoon and evening hours, with the biggest risk between 4 and 10 p.m. The third wave is expected Wednesday morning, with the potential for severe conditions increasing. The main threats with all waves are damaging hail and wind gusts, along with a chance of isolated tornadoes.