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Winter Weather Advisory


Event Continued Expired

Start Time

Wed 10/13/2021 08:54 PM EDT

End Time

Thu 10/14/2021 02:00 PM EDT




Moderate impact

Locations Affected

Mount Leidy, WY ∙ Mount Moran, WY ∙ Crystal Peak, WY ∙ Grand Teton, WY ∙ Pinnacle Peak, WY ∙ Rendezvous Mountain, WY ∙ Terrace Mountain, WY ∙ Alta, WY

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 654 PM MDT Wed Oct 13 2021 WYZ012-141200- /O.CON.KRIW.WW.Y.0028.000000T0000Z-211014T1800Z/ Teton and Gros Ventre Mountains- 654 PM MDT Wed Oct 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT THURSDAY... * WHAT...Snow. Total snow accumulations of 4 to 8 inches, primarily in upper portions of the Tetons, with lesser amounts at lower elevations and in the Gros Ventre Mountains. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Now until Noon MDT Thursday. The heaviest snow will fall tonight through 6 AM. * IMPACTS...Plan on slippery road conditions on Teton Pass overnight and for the morning commute. Allow extra time to reach your destination. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. &&