Chicago, IL – A powerful Arctic blast is gripping the Midwest, bringing dangerously cold temperatures and heavy lake-effect snow to millions through the weekend. The National Weather Service warns that wind chills could plunge as low as -30°F in parts of the Dakotas and Minnesota, creating life-threatening conditions. Temperatures are forecast to be the coldest since mid-February, with much of the northern Plains and Midwest affected. Residents should prepare for frostbite risks within minutes and ensure survival kits are accessible during travel.