Corner Conference:

Sidney 3-Griswold 2 (25-22, 21-25, 20-25, 25-19, 19-17)

Hawkeye Ten Conference:

Clarinda 3-Shenandoah 1 (25-18, 25-27, 25-16, 25-21)
Lewis Central 3-St. Albert 0 (25-14, 25-15, 27-25)
Red Oak 3-Denison-Schleswig 0 (25-11, 25-23, 25-11)

Pride of Iowa Conference:

Lenox 3-Southeast Warren 0 (25-13, 25-12, 25-11)
Lenox 3-Southwest Valley 0 (25-18, 25-21, 25-20)
Southeast Warren 4-Mount Ayr 1 (25-18, 25-12, 27-29, 25-21)
Southwest Valley 3-Mount Ayr 0 (25-13, 25-19, 25-20)

Racoon River Conference:

ADM 3-Carroll 0 (25-13, 25-14, 25-16)
Bondurant-Farrar 3-Humboldt 1 (25-20, 25-17, 17-25, 25-14)
Carlisle 3-Gilbert 1 (25-20, 25-22, 21-25, 25-15)
North Polk 3-Boone 0 (25-16, 25-13, 25-14)

West Central Conference:

Des Moines Christian 2-Earlham 0 (25-6, 25-10)
Des Moines Christian 2-Van Meter 0 (25-12, 25-7)
Earlham 2-ACGC 0 (25-22, 25-17)
Interstate 35 2-Madrid 1 (25-13, 19-25, 15-6)
Panorama 2-Pleasantville 1 (8-25, 25-20, 15-10)
Pleasantville 2-Ogden 0 (25-17, 25-16)
Van Meter 2-ACGC 0 (25-11, 25-19)
West Central Valley 2-Interstate 35 0 (27-25, 25-22)
West Central Valley 2-Madrid 0 (25-21, 25-16)
Woodward-Granger 2-Ogden 1 (25-19, 22-25, 15-8)
Woodward-Granger 2-Panorama 1 (25-18, 26-28, 15-13)

Western Iowa Conference:

Riverside 3-Tri-Center 0 (25-20, 25-21, 25-20)
Treynor 3-Audubon 0 (25-18, 25-15, 25-20)