I will be up north two weeks from now. The last time I went, I was in Mackinaw City during the Perseid meteor showers and it was incredible!
A really good site to find out what you can see all the time is here:
http://stardate.org/
At 8:22 pm on WWJ (950 AM, Detroit radio station/all news) the Stardate folks are on and tell you what you can see that night.