2018 Midwest Thunder Midgets
| Key | Date | Location | Track | Winner | |
| Apr 07 | Montpelier, IN | Montpelier Motor Speedway | Rained Out | ||
| Apr 28 | Montpelier, IN | Montpelier Motor Speedway | Cancelled | ||
| (I) | May 06 | Kokomo, IN | Kokomo Speedway | Chase McDermand | |
| May 12 | Montpelier, IN | Montpelier Motor Speedway | Rained Out | ||
| May 18 | Gas City, IN | Gas City I-69 Speedway | Rained Out | ||
| May 19 | Montpelier, IN | Montpelier Motor Speedway | Rained Out | ||
| (I) | Jun 09 | Canton, IL | Spoon River Speedway | Gedd Ross | |
| Jun 15 | Gas City, IN | Gas City I-69 Speedway | Stratton Briggs | ||
| Jun 16 | Montpelier, IN | Montpelier Motor Speedway | Aaron Leffel | ||
| Jun 23 | Montpelier, IN | Montpelier Motor Speedway | |||
| (I) | Jul 06 | Putnamville, IN | Lincoln Park Speedway | ||
| Jul 14 | Montpelier, IN | Montpelier Motor Speedway | |||
| Jul 21 | Montpelier, IN | Montpelier Motor Speedway | |||
| Aug 03 | Gas City, IN | Gas City I-69 Speedway | |||
| Aug 04 | Waynesfield, OH | Waynesfield Raceway Park | |||
| Aug 11 | Montpelier, IN | Montpelier Motor Speedway | |||
| Sep 01 | Montpelier, IN | Montpelier Motor Speedway | |||
| (I) | Sep 08 | Canton, IL | Spoon River Speedway | ||
| Sep 15 | Montpelier, IN | Montpelier Motor Speedway | |||
| Sep 29 | Montpelier, IN | Montpelier Motor Speedway |
------------------------ KEY DEFINITIONS -------------------------
(I) represents a race with the USAC IMRA Midgets
(SE) represents a non-points, special event