Holiday Inn Hotel & Suites I-44
Hotel is adjacent to the Oasis.  Tell the reservation clerk you are with the MNOA and get an $81 rate which includes a hot breakfast and IHG Rewards.  Reservations at this rate must be made prior to February 19, 2017.

Econo Lodge
2611 N. Glenstone, directly across the street from the Oasis.
(417) 864-3565
Mention you are with the MNOA and get a $69.99 rate.
King or Double bed, hot breakfast included and Choice Privileges Rewards.

There are several othe hotels in the area. 
Please contact Tim Medlin if you want details about them.