National Weather Service Riverton WY 659 PM MST Sat Feb 23 2019 ...A Series of Winter Storms will impact Western Wyoming Tonight through Tuesday... .Significant snow and blowing snow will occur across much of western Wyoming tonight, and persist through Tuesday. This snow will combine with gusty winds by Sunday, which will produce blowing and drifting snow, very low visibility and bitterly cold wind chills. Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 659 PM MST Sat Feb 23 2019 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY... * WHAT...Heavy snow expected. Accumulations of 1 to 2 inches expected tonight. Total snow accumulations of 12 to 18 inches expected through the day Tuesday. * WHERE...Star Valley. * WHEN...Until 5 PM MST Tuesday. * ADDITIONAL DETAILS...Travel could be difficult at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. Please monitor JHAVALANCHE.ORG if your plans include travel into the back country. ACROSS THE STATE LINE IN SOUTHEAST IDAHO SIMILAR WEATHER IS EXPECTED
National Weather Service Pocatello ID 255 PM MST Sat Feb 23 2019 ...LONG-DURATION WINTER STORM TO BRING VARYING IMPACTS ACROSS SOUTHEAST IDAHO... Bear River Range-Blackfoot Mountains-Caribou Range- Big Hole Mountains-Teton Valley-Centennial Mountains - Island Park- Including the cities of Soda Springs, Henry, Bone, Victor, Ashton, Driggs, and Island Park 255 PM MST Sat Feb 23 2019 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 5 PM MST TUESDAY... * WHAT...Periods of moderate to heavy snow and blowing snow are expected. Three day total snow accumulations of 2 to 3 feet. Locally higher amounts are possible in the mountains above pass level. * WHERE...The Upper Snake Highlands, Big Hole Mountains, Teton Valley, the Caribou Range, the Bear River Range and Blackfoot Mountains including but not limited to Ashton, Island Park,
Henry`s Lake, Raynolds Pass, Targhee Pass, Driggs, Victor, Pine Creek Pass, Palisades, Swan Valley, Emigration Summit, Fish Creek Summit, Soda Springs, Grace, and Bancroft. * WHEN...From 6 PM this evening to 5 PM MST Tuesday. * IMPACTS...Difficult travel conditions are expected due to snow covered and slippery roads and reduced visibility. Southwest winds of 15 to 25 MPH gusting as high as 40 MPH will cause areas of blowing and drifting snow and localized whiteouts, especially Sunday afternoon, Sunday night, and Monday.