The later in July the better, generally. Mosquitos are always bad, but you should be used to that, being from IL. Black fly season I think is usually over by mid-July or so.
Just stay away from "Camp Gitche-Gumee" on Hwy 28 just east of Harvey/Marquette. The place is a rip off!
DennisH
27 Years of Proud Navy Service (Retired Sep 03!)
High School Teacher (Sep 03 to present)
2001 Chevy 3500 Dually 4x2 Crew Cab/8.1L/Allison/4.10
2006 Jayco Designer 31RLS/Husky Hitch