Chicago weather: Chance for severe storms in forecast for area Wednesday

Weather forecasts indicate a shift toward active patterns for Chicago and St. Louis. A cold front moving from the west will bring scattered rain showers and thunder on Tuesday, though these storms are not expected to be severe. However, the threat increases significantly by late Wednesday, with a chance for severe storms impacting the area. This transition follows two days of beautiful summer weather, marking a return to unstable conditions across these regional locations.