New ITM Hours Decorah – May 29, 2018 – Beginning today, the new hours of the downtown Decorah ITM teller service are 8:30 am to 5:30 pm, Monday through Friday. ATM services are always available at this downtown drive-thru. As a reminder, deposits taken at the lobby or drive-thru facilities will process the same business day. ATM banking transactions made after 6 pm will process the next business day. See all locations and hours.