Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 132200

Hazardous Weather Outlook
National Weather Service Riverton WY
400 PM MDT Wed Sep 13 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-
400 PM MDT Wed Sep 13 2017

...Winter Storm Watch 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

Isolated to widely scattered thunderstorms, most numerous in the
west and north.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thursday...Showers and some thunderstorms in the west and north
with a chance of showers and thunderstorms elsewhere. Snow
possible in the higher elevations.

Friday and Friday Night...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

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

Sunday...Isolated thunderstorms in the far west.

Tuesday...Another cold storm system will begin to approach with
possible snow developing in the mountains by Tuesday night.


Spotter are urged to report hail and wind gusts past 45 mph. Thank you.


Team Riverton

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