Northern Utah will see winds shift to the north as the cold front arrives. Northern Utah valleys can expect snow late Tuesday. But accumulations should not be significant.
"Tuesday night will be the best threat of snow," Conger said. "It will be just enough to cover everything [in the valley]."
Temperatures will remain warm enough to keep most roads from becoming icy, he said.
But not warm like Monday, which flirted with the record for the date of 68 degrees. The average high for March 5 is 49.
Tuesday's high could reach the mid 50s in Salt Lake City before the front arrives. By Wednesday morning, the mercury will drop to 30, according to the forecast. Wednesday should become partly cloudy in northern Utah with a high of 43.
High temperatures are expected to rebound into the mid 50s by Friday as a high pressure system builds for the weekend.
The brunt of Tuesday evening's storm will hit central and southern mountains, Conger said. Tuesday night, snow will lower to 5,900 feet in Washington County.
Wednesday's high in St. George will reach only 48, a significant drop from the 70s of Sunday and Monday. The average high for this time of year is 65 in St. George.
The warm, wet weather also continues the risk of avalanches, which killed one person over the weekend and buried another three. The Utah Avalanche Center has rated most mountains at considerable risk, with the Logan mountains still registering at high risk.
"Quite dangerous conditions in the backcountry still exist," the center warns.
For more information on backcountry conditions, visit www.utahavalanchecenter.org.
Tribune reporter Sheena McFarland contributed to this story.