NOAA has issued a Winter Weather Advisory for the Teton Mountains, WY that is calling for 7-14″ of snow at Grand Targhee & Jackson Hole ski resorts tonight & tomorrow.

* SNOW AMOUNTS...Snowfall of 3 to 6 inches in the Jackson Valley. Snowfall 
of 7 to 14 inches in the mountains. Snowfall in Yellowstone National Park 
will range from 6 to 12 inches.
- NOAA, Riverton WY, 2/2/20

Grand Targhee has already seen 271″ of snowfall this season and is sitting on a 97″ snowpack.  

Jackson Hole has already seen 319″ of snowfall this season and is sitting on a 71-86″ snowpack.

“A cold front moves into northern Wyoming late this morning. This cold front will drop southward to the Continental Divide by around sunset, and then move into southwest Wyoming tonight. The snow is expected to occur in the north this afternoon and progress south tonight. This storm system will impact most areas through Monday evening, then taper off late Monday night. The heaviest snowfall looks to occur tonight through Monday afternoon.”

• NOAA Riverton WY, 2/2/20

Winter Weather Advisory for Teton Mountains, WY

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
913 AM MST Sun Feb 2 2020

...Major Winter Storm is expected this Afternoon through Monday
Night...

.A cold front move into northern Wyoming by noon. This cold front
will drop southward to the Continental Divide by around sunset,
and then move into southwest Wyoming tonight. The snow is expected
to occur in the north this afternoon and progress south tonight.
This storm system will impact most areas through Monday evening,
then taper off late Monday night. The heaviest snowfall looks to
occur tonight through Monday afternoon.

Yellowstone National Park-Teton and Gros Ventre Mountains-
Jackson Hole-
Including the cities of Lake, Mammoth, Old Faithful, and Jackson

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST
MONDAY...

* WHAT...Moderate to Heavy Snow.

* WHERE...Yellowstone National Park, Teton and Gros Ventre
  Mountains and Jackson Hole.

* WHEN...From noon today to 11 PM MST Monday.

* SNOW AMOUNTS...Snowfall of 3 to 6 inches in the Jackson
  Valley. Snowfall of 7 to 14 inches in the mountains. Snowfall
  in Yellowstone National Park will range from 6 to 12 inches.

* IMPACTS...Travel may be very difficult tonight and Monday.

* ADDITIONAL DETAILS...Teton Pass and Togwotee Passes will be
  impacted.