The blazes have destroyed nearly 15 million acres of land, and the fire season is expected to go into September. With it comes the threat of smoky days in Minnesota and North Dakota.

Canadian wildfire smoke will significantly impact air quality across Michigan on Friday, with unhealthy conditions expected for sensitive groups and potential scattered thunderstorms this weekend.

An air quality alert is in effect for nearly the entire state through Friday, but northern and central Minnesota will bear the brunt of it, due to their proximity to Canadian wildfires.

An air quality alert due to wildfire smoke from Canada has been expanded to include the Twin Cities metro and much of northern, central and southwestern Minnesota until Friday night.

A Hazardous Weather Outlook is also in effect across the region. The National Weather Service issued the outlook because of smoke blanketing Wisconsin amid Canadian wildfires in Manitoba and Ontario. The smoke is being transported south by wind patterns, leading to air quality alerts and advisories across the state.

Wildfires in Canada are continuing to blanket its southern neighbors in smog, triggering new air quality alerts in the northern high plains, Midwest and Great Lakes, according to the National ...