Blizzards occur most often on mountaintops. In the United States, common locations for blizzards include Denali in Alaska, Mount Washington in New Hampshire and Mount Rainier in Washington.
The most widespread North American blizzard conditions occur in the northern and central Great Plains due to a combination of intense cyclones and the relatively flat terrain of the region. Blizzards in the Great Plains most frequently occur during the winter, but they have taken place in the spring and autumn as well. Blizzards also commonly occur along the immediate coastal areas and nearshore waters of the Northeast and the Great Lakes.