Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 170736

Hazardous Weather Outlook
National Weather Service Riverton WY
136 AM MDT Wed May 17 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-
136 AM MDT Wed May 17 2017

...Multiple Winter Storm Warnings and Advisories in effect Today
and Thursday...

...Flood Watch Tonight through Thursday Night for the Big Horn
Basin, Johnson and Natrona Counties...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Widespread light to moderate rain and mountain snow expected
across portions of western and northern Wyoming. Areas of heavy
snow possible over the Absaroka and Bighorn mountains. Additionally,
significant rainfall amounts could begin to elevate flooding
concerns where many streams and some main stem rivers will already
be at bankfull levels.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thursday and Friday...Widespread moderate to locally heavy rain
and mountain snow begins to spread east of the Divide. Moderate
to heavy snow continues over the Absaroka and Bighorn mountains.
Snow becomes possible across the lower elevations east of the
Divide Thursday and Thursday night. Rainfall and snowfall continue
to elevate flooding concerns.

Sunday and Monday...Isolated to locally scattered thunderstorms.


Spotters are urged to report wind gusts past 45 mph, hail,
heavy rain or snowfall and any flooding. Thank you.


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