Better get used to smoky Michigan skies; computer model, experience show why
www.mlive.com
The upper-air flow would say we are going to continue to have patches of smoke blow through our sky.

From the article:

We will have one- to two-day periods when the smoke will clear this summer. This will happen when a strong cold front comes through and brings a solid round of thunderstorms. This should clear out the sky until the next blob of western Canada smoke moves back in.