* WHAT...Snow. Additional snow accumulations of a coating to 3 inches for elevations up to 9,000 feet. Snow accumulations of 2 to 6 inches are expected across elevations of 9,000 feet and above. * WHERE...Wind River Mountains East and Wind River Mountains West. * WHEN...Until 6 AM MDT Wednesday. The time of maximum impact is most likely Tuesday afternoon into Tuesday night. * IMPACTS...Travel could be difficult especially across the backcountry. The hazardous conditions may impact the commutes across South Pass. * ADDITIONAL DETAILS...Snow accumulations of a coating to 2 inches along South Pass mainly on grassy surfaces.