The hotel connected to the convention center is full, but there are still rooms available at the Holiday Inn Express, which is across the parking lot. When calling to make your reservation, please inform them that you need a room there under the WCA room block. 

You can make reservations over the phone: 
(715) 344-0000
Reference: Wisconsin Correctional Association 

Rates are for Sunday 10/15 and Monday 10/16:

Single room is $90 + tax (one person in the room)
Double room is $114 + tax (2 people in the room)

All reservations must be made with a credit card or with a first night room deposit.
Reservation deadline is September 14th for the reduced conference rate as long as there are rooms available. 
Check-in is at 4pm and check-out is 11:00am.