A steady stream of pacific moisture will continue to move across south east Utah and south west Colorado. This will bring heavy snow fall to south west Colorado, especially the San Juan, Elk and Ruby ranges. Snow totals will range from 12 to 24 inches, with the highest amounts reaching 36 inches over the mountain passes of the San Juan's. Wind gusts up to 45 mph can be expected in theses passes making driving conditions hazardous if not impossible.
Avalanche warning is also in effect for the San Juan, Ruby, and the Elk mountains south of the divide. Heavy snowfall and strong winds have created dangerous avalanche conditions. Storm totals are approaching 2 feet of snow in the Elk mountains, a foot and a half in the northern San Juan's and over a foot on Wolf Creek Pass. Natural and human triggered avalanches are likely and could be large and destructive. Avoid traveling in or below avalanche terrain, slopes steeper than 30 degrees or steep slopes with drifted snow.
The Grand Valley and Montrose will be have the lowest snow totals. Montrose is included in the Winter Storm Warning and can expect from 3 to 7 inches of snow before the storm exits the area early Monday morning. Grand Junction and much of the Grand Valley can expect between 2 and 4 inches of snow through Sunday night. Expect hazardous driving conditions throughout the Grand Valley tonight as the light rain will change over to snow as temperatures drop below freezing. Expect wet streets to freeze over, especially on bridges and over passes and places that are shaded for most of the daytime hours.