CHEYENNE, Wyo. (AP) — The National Weather Service has posted winter storm warnings and advisories for parts of southern and western Wyoming, including much of the Interstate 80 corridor.

A winter storm warning has been posted for a large area of southwest Wyoming, including the cities of Rock Springs, Green River, Evanston and Pinedale.

Evanston in extreme southwest Wyoming could get up to a foot of snow between Tuesday night and Thursday. Four to 8 inches is possible Wednesday in Cheyenne, Laramie, Rawlins and Pine Bluffs.

Bitter cold temperatures are also gripping the state, with many areas expected to dip below zero at night.