NOAA has issued a Winter Weather Advisory for Utah for tomorrow that’s calling for up to 24″ of snowfall.

Total snow accumulations of 7 to 14 inches, with localized amounts of 20 to 24 inches, 
are expected. - NOAA SLC, UT today

Utah has been hurting for snow this year so far. 

Utah has a 38% of average to date snowpack right now.

Alta has only seen 20″ of snowfall this season so far.

Winter Weather Advisory for Utah:

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MST Sat Dec 2 2017

Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Woodruff, Randolph, Alta, Brighton,
and Mirror Lake Highway
259 PM MST Sat Dec 2 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SUNDAY TO 4 PM MST
MONDAY...

* WHAT...Snow expected. Plan on slippery and snow covered road
  conditions. Total snow accumulations of 7 to 14 inches, with
  localized amounts of 20 to 24 inches, are expected.

* WHERE...Wasatch Mountains and Western Uinta Mountains.

* WHEN...From noon Sunday to 4 PM MST Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. Travel including on Interstate 80 through Parleys Canyon
  will be affected, especially late Sunday night through the Monday
  morning commute.