FOX Weather Meteorologist Ian Oliver analyzes the severe weather threat putting millions across the Midwest on alert tonight. A Level 4 out of 5 severe weather risk is in place for parts of Illinois and Indiana, where all modes of severe weather are possible. Powerful storms are expected to slam portions of the Midwest on Wednesday, just days after tornadoes, damaging winds, and large hail impacted many of the same areas. The threat of additional severe storms is increasing, raising concerns about another significant severe weather outbreak.