National Weather Service Riverton WY
332 PM MST Thu Dec 21 2017
...Snow returns across the west to kick off Christmas Weekend...
.An Arctic front will bring a fresh round of snow across the west
Friday. Snow will start late tonight over Yellowstone and spread
southward through the day. Snow will then taper off through the
morning hours on Saturday, with lingering showers possible in the
afternoon.
...WINTER STORM WARNING IN EFFECT FROM 5 AM FRIDAY TO NOON MST
SATURDAY...
* WHAT...Heavy snow and blowing snow expected. Plan on difficult
travel conditions, including during the evening commute on
Friday. Total snow accumulations of 7 to 10 inches, with
localized amounts up to 17 inches, are expected.
* WHERE...Teton and Gros Ventre Mountains.
* WHEN...5 AM Friday to noon Saturday.
* ADDITIONAL DETAILS...Winds gusting as high as 30 mph will
cause patchy blowing and drifting snow.
Wind River Mountains West-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Including the cities of Afton, Alpine, Star Valley Ranch, Thayne,
and Pinedale
...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM FRIDAY TO 5 PM MST
SATURDAY...
* WHAT...Snow and blowing snow expected. Plan on difficult travel
conditions. Total snow accumulations of 3 to 5 inches near
Pinedale and Bondurant, 3 to 6 inches, locally up to 8 inches in
the Star Valley, 6 to 12 inches, with localized amounts up to 15
inches, in the Wind River Mountains and Salt and Wyoming Ranges are
expected.
* WHERE...Wind River Mountains West, Star Valley, Salt River and
Wyoming Ranges and Upper Green River Basin Foothills.
* WHEN...2 PM Friday to 5 PM Saturday.
* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will
cause patchy blowing and drifting snow.