Hazardous Weather Outlook
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

FLUS45 KRIW 181816

Hazardous Weather Outlook
National Weather Service Riverton WY
1216 PM MDT Thu May 18 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-
1216 PM MDT Thu May 18 2017

...Multiple Winter Storm Warnings and Advisories in effect this
afternoon and tonight...

...Flood Watch posted through tonight for Johnson County...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...This Afternoon and Tonight

Significant mountain snow along with accumulating valley snow will
occur east of the Continental Divide, mainly in Fremont and
Natrona counties along with eastern Sweetwater County. Roads,
especially above 6500 feet, will likely become or remain slick and
hazardous. The combination of continued runoff from heavy rain on
Wednesday and early Thursday could cause additional rises on area
creeks and streams, particularly in Johnson County. Please see
the winter weather and flood products for more details on this
ongoing cold spring storm.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Friday...Snowfall will gradually end from northwest to southeast
during the morning and early afternoon Friday.

Saturday late afternoon and evening...Isolated thunderstorms
across northwest Wyoming.

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


Spotters are encouraged to report snowfall and rainfall totals,
and any flooding that may occur. 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.