FLUS45 KRIW 250827

HWORIW



Hazardous Weather Outlook

National Weather Service Riverton WY

227 AM MDT Sat Oct 25 2025



WYZ001>020-022>030-261230-

Yellowstone National Park-Absaroka Mountains-Cody Foothills-

North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn 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-

227 AM MDT Sat Oct 25 2025



...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 6 PM

MDT MONDAY...



This Hazardous Weather Outlook is for Western and Central Wyoming.



.DAY ONE...Today and tonight.



Gusty southwest winds will increase today ahead of the next weather

system.



This winter system moves into the northwest Wyoming mountains 

tonight, with snow accumulation increasing after midnight.



.DAYS TWO THROUGH SEVEN...Sunday through Friday.



Sunday through Monday night...The winter system brings colder 

temperatures, widespread gusty southwest winds 30 to 50 mph, and 

western mountain snow. Expect winter weather travel conditions over 

western mountain passes.



.SPOTTER INFORMATION STATEMENT...



Weather spotters are encouraged to report significant weather

conditions according to Standard Operating Procedures.



$$