Big Stone, Alberta
Big Stone is an unincorporated community in southern Alberta in Special Area No. 3, located south of Highway 9, northwest of Medicine Hat. The community takes its name from nearby Bigstone Creek. Climate. Big Stone experiences a semi-arid climate (Köppen climate classification "BSk") with long, cold, dry winters and short, warm summers. Precipitation is low, with an annual average of , and is concentrated in the warmer months.