This list was posted on VIMS, the FIRST volunteer information management system. They are listed as tentative so they might change.
Here they are:
Week #1 (2/27 - 2/28): Grand Traverse District Event (Traverse City)
Week #2: (3/6 - 3/7): Genesee District (Kettering)
Week #3: (3/13 - 3/14): Detroit District #1
Week #4: (3/20 - 3/21): Detroit District #2 AND Lansing District
Week #5 (3/27 - 3/28): Oakland County District AND West Michigan District
Week #6: (4/2 - 4/4): Michigan Championship @ EMU
Week #8
4/16 - 4/18): FIRST Championship in Atlanta