248 PM MDT Mon Jul 17 2017 Yellowstone National Park-Absaroka Mountains- Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Wind River Mountains East-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- Including the cities of Lake, Mammoth, Old Faithful, Jackson, Afton, Alpine, Star Valley Ranch, Thayne, Pinedale, La Barge, Big Piney, Farson, Kemmerer, Cokeville, Rock Springs, Green River, and Wamsutter 248 PM MDT Mon Jul 17 2017 .NOW...This afternoon...isolated to widely scattered showers and thunderstorms will form and move across the area east to northeast at 15 to 30 mph along and west of the Divide . The main threats from this activity will be brief heavy rain...small hail to dime size...winds gusting 30 to 45 mph...and occasional lightning.