After a close 10 minutes, the Sioux went on a 36-8 run in the final 10:54 of the first half to grab a commanding 21 point lead on the way to their 42nd consecutive victory.
UND dominated the glass, by out-rebounding the Mustangs 24-11 on the offensive glass and 23-10 on points off rebounds.
Jenny Crouse had 23 points including five 3-pointers, while teammate Jaime Pudenz added 19 points with four 3-pointers.
Winger now has 1,050 career points which puts her in twelfth place on the UND all-time scoring list.
The Sioux (14-0 overall) will play Minnesota State-Mankato on Jan. 15.
UND (record:14-0, 5-0 in NCC): Pudenz 6-12 3-3 19, Jones 1-7 3-7 5, Leno 2-3 1-3 7, Hoffner 3-9 0-2 9, Hoffman 0-0 0-0 0, Winger 11-20 4-6 26, Super 2-8 1-2 7, Carroll 2-7 2-2 6, Crouse 9-16 5-8 23. Totals 36-82 19-33 102.
MORNINGSIDE (4-10): Durant 6-11 2-3 15, Marlin 2-6 0-0 4, Christoffer 1-6 0-0 3, Thein 5-7 2-3 12, Serkenpas 0-1 8-11 8, Goodlaxson 2-5 0-0 4, Okerstrom 5-11 3-4 13, Johnson 3-10 3-3 12, Bolton 1-2 0-0 2, Wainer 0-0 0-0 0. Totals 25-59 18-24 73.
Halftime: North Dakota 50, Morningside 29. 3-point goals: Pudenz 4-6, Leno 2-2, Hoffner 3-8, Super 2-7, Durant 1-1, Christoffer 1-3, Serpkenpas 0-1, Goodlaxson 0-1, Johnson 3-6. Rebounds: UND 52 (Winger 12), UM 42 (Thein 9). Assists: UND 24 (Pudenz 6), UM 15 (Durant 5). Total fouls: UND 23, UM 26. Technicals: UND 0, UM 1. A-800.