Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 211143

Hazardous Weather Outlook
National Weather Service Riverton WY
543 AM MDT Thu Sep 21 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-
543 AM MDT Thu Sep 21 2017

...Winter Weather Advisory in effect for portions of the
northwestern mountains through Friday...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

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

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Friday...Significant mountain snowfall returns over the western
central and northern mountains. Rain may change to snow in the
Cody Foothills early Friday.

Friday night through Monday...Widespread mountain snowfall and
valley rain at times especially along and east of the Divide. Snow
could lower to valley floors at a few locations east of the


Spotters are encouraged to report rain or snowfall amounts. Thank


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