Snow was filling up the canyons along the Wasatch on Tuesday morning as a wintry Halloween week continued in Utah.
A winter weather advisory was in place until Tuesday night, with 3 to 7 inches of snow expected in the Wasatch Mountains south of Interstate 80 including central Utah; 2 to 5 inches in the mountains north of I-80; and 1 to 4 inches along the Wasatch Front, as well as the Cache Valley and Tooele Valley, according to the National Weather Service.
The Cottonwood canyons could see exceptional snow; 8 to 12 inches are expected, but lake-effect factors may line up midday to exceed a foot of snow, NWS reported.
Temperatures were expected to run about 30 degrees below normal statewide on Tuesday and Wednesday. In Salt Lake City, highs of 21 and 26 degrees were forecast for Tuesday and Wednesday, with lows of 5 and 9 degrees; in Logan, highs of 24 and 23 degrees, with lows of 3 and zero degrees; and in Provo, highs of 18 and 23, with lows of 6 and 8.
A wind advisory was in effect throughout northwest Utah, as well as in southeast Utah between Price and Escalante.
Eastern Utah was warned of bitterly cold nighttime temperatures, with highs in Vernal of 24 and 23 degrees and lows of zero and 2 degrees; highs in Moab of 46 and 33 degrees and lows of 12 and 10 degrees; and highs in Blanding of 45 and 29 degrees and lows of 9 and 10 degrees.
A high wind warning was in effect for the St. George area, with gusts of up to 60 mph near canyons. High temperatures there were expected to reach 57 and 50 on Tuesday and Wednesday, with lows of 26 and 22 degrees.
Temperatures were expected to rise statewide Thursday, but expect a cold Halloween in Salt Lake City, with a high of 36 and low of 24.