Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 150820

Hazardous Weather Outlook
National Weather Service Riverton WY
220 AM MDT Fri Sep 15 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-
220 AM MDT Fri Sep 15 2017

...Winter Storm Warnings and advisories for the western and
northern mountains late Thursday night into Saturday morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Significant mountain snowfall possible
over western and northern mountains. Sharply cooler with lowering
snow levels. Snow levels will lower to near or at the valley
floor out west Friday night and into the foothills east of the
divide. Please see winter weather products and forecasts for

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Saturday...Lingering showers and mountain/foothill snow Saturday
with gradual improvement during the day.

Monday...Isolated thunderstorms in the far west.

Tuesday...A strong cold front will sweep east across the area with
a chance of snow in the mountains with isolated thunderstorms
possible in most areas.

Wednesday and Thursday...Unsettled with a good chance of some
mountain snowfall at times with possible snow down to the valley
and basin floor out west and far north similar to our current
storm system.


Spotters are encouraged to report snowfall and significant rainfall
amounts. Thank you!


Team Riverton

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