Windyville is an unincorporated community in Dallas County, Missouri, United States. It is located approximately 10 miles northeast of Buffalo along Missouri routes K and MM. The Niangua River flows past to the south and east of the community. It is part of the Springfield, Missouri Metropolitan Statistical Area A post office called Windyville was established in 1921, and remained in operation until 1998. The community was so named for the frequently windy conditions at the town site.