CASPER, Wyo. — A winter storm watch is in effect Monday night and Tuesday for central Wyoming and the Bighorn and Wind River Mountains, said the National Weather Service (NWS) in Riverton. Converse County and northern portions of Carbon and Albany counties will also be affected until midnight Tuesday.
Heavy snow is possible by midday Tuesday with precipitation beginning in the overnight hours into Tuesday morning. Total snow accumulations of 4 to 8 inches are possible, with locally higher amounts up to 10 inches. 12 to 24 inches are possible over Caper Mountain.
Over one foot of snow is possible in the mountains of the northern Laramie Range, with 4-9 inches possible for lower elevations inside the watch area, the NWS said.
Precipitation may begin as rain in the lower elevations late Monday night before transitioning to snow Tuesday morning. The greatest threat period will be Tuesday through the evening with heavy snow and strong winds, making for dangerous travel conditions.
Wind River Range
Total snow accumulations of 5 to 10 inches are possible along the eastern slopes of the Wind River Mountains, with 3 to 6 inches near Jeffrey City and Beaver Rim, the NWS said.
Total snow accumulations of 5 to 10 inches are possible, with 12 to 18 inches possible on the southern end of the mountains, NWS said. Winds could gust as high as 35 mph.