Hawkeye Ten Conference:

Clarinda 3-Red Oak 1 (25-21, 25-19, 22-25, 25-23)
Glenwood 3-Denison-Schleswig 0 (25-12, 25-13, 25-13)

Western Iowa Conference:

Audubon 3-Logan-Magnolia 0 (25-9, 25-14, 25-22)
Riverside 3-IKM-Manning 0 (25-15, 25-19, 25-17)
Underwood 3-Missouri Valley 0 (25-23, 25-14, 25-22)

Rolling Valley Conference:

Boyer Valley 3-Coon Rapids-Bayard 0 (25-10, 25-15, 25-14)
Exira-EHK 3-West Harrison 0 (25-10, 25-15, 26-24)

Corner Conference:

East Mills 2-Brownell-Talbot 1 (23-25, 25-10, 15-7)
East Mills 2-Heartland Christian 0 (25-4, 25-13)
East Mills 2-Parkview Christian 0 (25-6, 25-12)
Orient-Macksburg 3-Hamburg 1 (25-23, 25-14, 23-25, 25-16)

Pride of Iowa Conference:

Bedford 2-Diagonal 0 (25-10, 25-12)
East Union 2-Diagonal 0 (25-11, 25-11)
Moravia 3-Wayne 0 (25-21, 25-20, 25-22)

West Central Conference:

Van Meter 3-Ogden 0 (25-16, 25-13, 25-15)

Raccoon River Conference:

ADM 3-Dallas Center-Grimes 0 (25-20, 25-23, 25-15)
Gilbert 3-Newton 2 (25-22, 25-16, 22-25, 22-25, 15-13)