Prairies are located in the middle of the continent (North America). Therefore, we find there a continental type of climate, characterised by extreme temperatures. The summers are warm with temperatures of around 20oC, while in winter −20oC has been recorded in Winnipeg and Canada, the important cities of the American prairies. In winters a think blanket of snow covers this region. The annual rainfall is moderate. A local wind called Chinook blows here.