Blizzard Warnings are in effect through 6 p.m. Tuesday for portions of southeast Wyoming and the northern Nebraska Panhandle, where up to two feet of snow could fall.
The National Weather Service in Cheyenne has issued a Severe Thunderstorm Warning for east-central Goshen County and southwestern Sioux County until 5:15 p.m.
A supercell thunderstorm dropped hail larger than softballs in southern Sioux County, Nebraska Tuesday evening, according to the National Weather Service in Cheyenne.