Winter Snow Watches and Warning out for Western Wyoming mountains and Star Valley

Winter Snow Watches and Warning out for Western Wyoming mountains and Star Valley






Total Snowfall ending Friday Night


National Weather Service Riverton WY
113 PM MST Wed Nov 15 2017

...Heavy Snow in the Tetons and Gros Ventre Ranges late tonight
through Friday...
...Moderate to heavy snow in much of the western mountains
Thursday through Friday...
...Heavy snow possible in the Star Valley late Thursday night
through Friday...

.A storm system will impact the west from later tonight through
Friday. Expect snow in the mountains and a mix of rain and snow
in the valleys through Thursday. A cold front will move in
Thursday night, dropping snow levels and bring the  heaviest
period of snow of the storm for Thursday night and Friday. The
snow will be accompanied by gusty winds with areas of blowing
snow.


Teton and Gros Ventre Mountains-
113 PM MST Wed Nov 15 2017

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM
MST FRIDAY...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute on Thursday.
  Total snow accumulations of 1 to 2 feet, with locally higher
  amounts on the west side of the Tetons, are expected.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...Midnight to 5 PM Friday. The heaviest snow from this
  storm will likely be Thursday night into at least Friday morning
  when snowfall rates over an inch per hour are quite possible.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Travel over Teton Pass will become
  increasing worse as this system develops.

Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
113 PM MST Wed Nov 15 2017

...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
FRIDAY AFTERNOON...

* WHAT...Heavy snow possible. Plan on difficult travel conditions.
  Total snow accumulations of 3 to 6 inches are possible with
  higher amounts quite possible towards Alpine.

* WHERE...Star Valley
* WHEN...From late Thursday night through Friday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are
  possible. Most of the area will see rain developing tonight and
  continuing through Thursday. A strong cold front will push
  through Thursday night changing the rain over to snow. The snow
  could be quite heavy at times late Thursday night into Friday.
  The northern part of the valley could see snowfall rates of an
  inch an hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.



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