Dangerous heat is going to impact millions this week as heat alerts remain in effect through Thursday from the Plains to the Deep South. Feels-like temperatures could reach 105-115 degrees several days in a row, so please take this seriously. The worst of the heat will be felt in places like Wichita, Kansas City, St. Louis and Memphis. Stay hydrated, try to limit your time outdoors and check in on family and friends often. Overnight lows in the 70s and 80s won’t offer much relief at night.