hey y'all visitors:
City of Milwaukee does not allow street parking from 2:00AM -6:00AM. the suburbs may be different.
if you don't have off-street parking wherever you are staying this weekend, the City allows exceptions IF YOU CALL THEM before a certain time and give your plate number and the address.
Information can be found here:
http://city.milwaukee.gov/mpw/divisions/administrative/parking/ParkingPermits.htm#nightpermission
see y'all soon