Here are some of the Motels in Chadron:

The Motel 6

http://www.motel6.com/reservations/motel_detail.aspx?num=4259

Best Western

http://www.chadron.com/memberpages/westhills/

Super 8

http://www.super8.com/Super8/control/Booking/property_info?propertyId=03249