The National Weather Service issued a red flag warning at 9:23 a.m. EDT on Monday valid between 10 a.m. EDT and 10 p.m. EDT for Keweenaw, Ontonagon, Houghton, Baraga, Marquette, Gogebic, Iron and Dickinson counties.

At least 9 million people in the nation's upper Midwest region are under red flag warnings on Monday, including residents of Minnesota, where a wildfire was already burning out of control in the largest national forest east of the Mississippi River.