Chicago is bracing for a dramatic weather shift as strong to severe thunderstorms are forecasted for tonight, potentially bringing damaging winds and the risk of tornadoes. A Winter Weather Advisory and Blizzard Warning have been issued for parts of the region, with accumulating snow expected overnight into Monday. The National Weather Service has activated a Weather Authority Alert due to the high risk of severe weather, including strong winds up to 75 mph. As temperatures plummet following the storms, residents are advised to prepare for significant weather changes, with a mix of storms and snow likely in the coming days across Central and Eastern US.