Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 222033

Hazardous Weather Outlook
National Weather Service Riverton WY
233 PM MDT Fri Sep 22 2017

Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
233 PM MDT Fri Sep 22 2017

...Winter weather advisory in effect for the Northwest Mountains
and the Wind River Mountains through this afternoon and evening
until midnight tonight...

...Winter Storm watch for the Wind River Mountains Saturday night
and Sunday...

This Hazardous Weather Outlook is for Western and Central

.DAY ONE...This Afternoon and Tonight

Significant mountain snowfall and valley rainfall across northwestern
and Central Wyoming through this evening. Please see the winter
weather statement for more details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Saturday...Widespread mountain snowfall Saturday. Widespread
rainfall turning to snow in the basins and valleys Saturday.
Significant snowfall amounts expected across the mountains and in
many locations of the lower elevations Saturday night. Please see
the winter weather statement for more details.

Sunday and Sunday night...Additional significant snowfall
expected Sunday and Sunday night in the mountains and in many
locations of the lower elevations. Some rainfall will occur over
portions of the lowest elevations. Expect very significant
snowfall totals in the mountains and in many locations of the
lower elevations. The most significant snowfall accumulations will
occur east of the divide.

Monday...Snow and rain decreasing in intensity.


Spotters are encouraged to report rain or snowfall amounts. Thank



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