One product issued by NWS for: Casper WY
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Riverton WY 112 PM MDT Thu Mar 20 2025 WYZ001>020-022>030-211300- 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- 112 PM MDT Thu Mar 20 2025 ...Winter Weather Advisories Posted Friday Night and Saturday for the Western Mountains and Valleys... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...This Afternoon and Tonight. Snow will taper off in the western mountains and valleys this afternoon. Wind gusts of 35 to 45 mph will be widespread east of the Continental Divide and over southwest Wyoming. Gusts 50 to 60 mph remain likely in and around Casper and over South Pass. The windy and dry conditions will elevate fire weather conditions in Natrona and Johnson Counties. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday Night...Accumulating snow begins to fall over the western mountains and valleys. Saturday...A strong storm system will impact the area, bringing the possibility of 50 to 60 mph wind gusts to central and southern portions of the region, as well as the mountains. Snow continues in the western mountains and valleys, where total snowfall of 8 to 12 inches is expected in the mountains with 3 to 6 inches in Jackson Hole and Star Valley. The snow will combine with wind gusts 25 to 35 mph to create areas of blowing snow. The chance for rain changing over to snow in the afternoon is highest over the Bighorn Basin. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$