Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 221004

Hazardous Weather Outlook
National Weather Service Riverton WY
304 AM MST Wed Feb 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-
304 AM MST Wed Feb 22 2017

...Flood Warning remains in effect for the Big Horn River roughly
between Manderson and Greybull through at least this afternoon...

...Winter Storm Watches across much of the central and southern
Wyoming late tonight through Friday morning...

...High Wind Warning for the Cody Foothills through this morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Ice jam flooding continues across portions of the Big Horn Basin
especially along the Big Horn River in Big Horn County.

Strong will continue across the Cody Foothills this morning.

A significant winter storm will develop tonight over southern
portions, bringing moderate to heavy snow across eastern, central
and southern portions of the forecast area. Please see the
highlights for further details.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thursday and Friday...Significant snow will fall during the day
Thursday across Johnson, Natrona, Fremont and Sweetwater counties,
before subsiding by mid day Friday. The heaviest snow is expected
across Natrona County and eastern portions of Fremont and Natrona
counties. Gusty north to northeast winds will develop Thursday
morning, from Buffalo to Casper to South Pass to Rock Springs,
causing areas of blowing and drifting snow. Winds will gradually
subside Thursday night. Light to moderate snow will also return
across the far western mountains.

Sunday night through Monday night...Significant snow possible
across western valleys and mountains.


Spotters are encouraged to report any river or creek flooding, as
well as snowfall amounts. Thank you!


Team Riverton

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