Hazardous Weather Outlook
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
FLUS45 KRIW 200943

Hazardous Weather Outlook
National Weather Service Riverton WY
243 AM MST Mon Feb 20 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-
243 AM MST Mon Feb 20 2017

...Flood Advisory remains in effect for the Big Horn River
roughly between Manderson and Greybull Today...

...Winter Storm Warning for the Western Mountains this Afternoon
through Tuesday Night...

...Multiple High Wind Warnings and Watches for areas east of the
Divide through Tuesday Evening...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Ice jam flooding continues to slowly decrease across portions of
northern Wyoming.

Significant snow and blowing snow developing over the western
mountains today, continuing through Tuesday night. Please see the
winter storm warning for more details. Snow developing in the
western valleys today, but mixing with or changing to rain below
7000 feet in the afternoon and tonight.

Strong to high wind developing late this afternoon across portions
of central Wyoming east of the Continental Divide. Please see the
high wind product for more details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Tuesday through Tuesday night...Periods of moderate to heavy snow
will continue across the western mountains. Rain will mix with
snow in the valleys, changing back over to snow by Tuesday

Strong to high wind continues over portions of the area, east of
the Continental Divide Tuesday and Tuesday evening.

Late Wednesday Night Through Thursday Night...Significant snow
possible in central Wyoming along with windy conditions causing
significant blowing and drifting snow.


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


Team Riverton

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.