Evacuation orders have been issued for multiple communities in northwestern Ontario due to threats from nearby wildfires, as the region contends with heat warnings and smoky skies. Residents of Armstrong and Whitesand First Nation were ordered to evacuate late Monday night, Ontario Provincial Police North West Region said in a Facebook post shortly before 10:30 p.m. ET. Just after 12:15 a.m. ET Tuesday, Lac des Mille Lacs First Nation and communities were also ordered to evacuate, and Collins First Nation and Cushing Lake were added to the list at 5:30 a.m. ET. …There were 128 confirmed wildfires in the northwest as of Monday night, with smoke from active fires in Canada and the United States visible in many parts of the region, according to Ontario’s Aviation, Forest Fire and Emergency Services. …Air quality alerts are in effect [for multiple areas] and highway 11 and 599 have closures. …A multi-day heat event is expected to continue Tuesday in much of the northwest, including Thunder Bay.