The Cheyenne Office of the National Weather Service has issued the following Weather statement

'A Winter Storm Watch is in effect for the Northern Laramie, Snowy and Sierra Madre Ranges from 11 a.m. Sunday to 5 p.m. Monday. A Winter Storm Watch is in effect for the lower elevations of Carbon County, Arlington, Elk Mountain, the Southern Laramie Range and foothills from 5 p.m. Sunday to 5 p.m. Monday. Snow, heavy at times, will be possible with total accumulations of 6 to 10 inches at lower elevations and 12 to 24 inches for the mountains. Winds up to 45 mph will produce areas of blowing and drifting snow and reduced visibilities.''

National weather Service