Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 180818
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Special Weather Statement
National Weather Service Riverton WY
218 AM MDT Tue Apr 18 2017

WYZ001-002-012-014-015-024-181800-
Yellowstone National Park-Absaroka Mountains-
Teton and Gros Ventre Mountains-Wind River Mountains West-
Wind River Mountains East-Salt River and Wyoming Ranges-
Including the cities of Lake, Mammoth, and Old Faithful
218 AM MDT Tue Apr 18 2017

Another quick moving upper level disturbance will bring areas of
rain and snow to the mountains of western Wyoming this
morning...with another chance for snow showers returning to the
Tetons and southwestern mountains tonight. New snowfall
accumulation through noon today will range between 1 and 3 inches
above 7500 feet. The heaviest snowfall is expected to occur
between sun up and noon above 8500 feet.

$$

WYZ027>030-181800-
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs,
Green River, and Wamsutter
218 AM MDT Tue Apr 18 2017

Heavy rain showers and a few thunderstorms possible later this
afternoon and evening as a quick moving upper level disturbance
moves across the southern Wyoming. Best chances for thunder will
occur between 3 PM and 6 PM with gusty outflow winds also a
possibility.


$$

WYZ019-181800-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
218 AM MDT Tue Apr 18 2017

Heavy rain showers and an isolated thunderstorm possible this
evening across the Green and Rattlesnake Mountains and foothills.
Then rain showers will turn to a rain snow mix or all snow
showers after midnight tonight above 6500 feet. One to two inches
of accumulating snow possible by Wednesday morning mainly above
7000 feet. Best chances for thunder will occur between 6 PM and 8
PM with gusty outflow winds also a possibility.


$$

WYZ008-009-181800-
Bighorn Mountains West-Bighorn Mountains Southeast-
218 AM MDT Tue Apr 18 2017

Snow returns to the Bighorn Mountains tonight and continues
through Wednesday morning as another quick moving upper level
disturbance moves across Wyoming. New snowfall
accumulation through Wednesday morning will range between 1 and 5
inches above 7000 feet. The heaviest snowfall is expected to occur
between midnight tonight and noon Wednesday above 8500 feet.

$$



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