The Falcons rallied in the second half to get within four points, but Black Hills sealed the non-league victory from the free-throw line.
Greg Bernash led the Falcons in scoring with 14 points, Michael Stockbridge had 11, and Jacob Davidson 10.
BLACK HILLS 61, PRAIRIE 55
BLACK HILLS — Hacknor 12, Mickelson 16, Duft 8, Yount 14, Noyen 8. Totals 23 (4) 11-18 61.
PRAIRIE — Jacob Davidson 10, Palmer Goecke 5, Koy Osborn 0, Michael Stockbridge 11, Seth Hall 6, Walker Hausherr 2, Brandon Crosby 2, Greg Bernash 14, Dwayne Stewart 5. Totals 21 (6) 7-10 55.
Black Hills 16 20 13 12—61
Prairie 18 8 15 14—55
JV — Black Hills 57-55; C — Prairie 55-24
