####018005916#### WWUS45 KRIW 051853 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1253 PM MDT Sun May 5 2024 WYZ012-061300- /O.CON.KRIW.WS.W.0014.240506T0000Z-240508T0500Z/ Teton and Gros Ventre Mountains- 1253 PM MDT Sun May 5 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 11 PM MDT TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet. Up to 3 feet for the highest elevations of the Tetons. Winds could gust as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 6 PM this evening to 11 PM MDT Tuesday. * IMPACTS...Travel could be very difficult, especially in the backcountry and along Teton Pass. * ADDITIONAL DETAILS...Heaviest snow occurs Monday morning into Monday night, where snow rates around 1 inch per hour are possible. Another round of heavier snow Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. && $$ WYZ008-009-061300- /O.UPG.KRIW.WS.A.0012.240506T1200Z-240507T1800Z/ /O.EXB.KRIW.WW.Y.0025.240506T0700Z-240507T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 1253 PM MDT Sun May 5 2024 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 11 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 8 to 12 inches for the northern range. Total snow accumulations up to 9 inches for the southern end of the range. Winds gusting as high as 65 mph. * WHERE...Bighorn Mountains West and Bighorn Mountains Southeast. * WHEN...From 1 AM to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult, such as over Powder River and Granite Passes. Gusty winds could cause blowing snow, reducing visibilities at times. * ADDITIONAL DETAILS...Heaviest snow occurs Monday morning. Snow rates decrease Tuesday. Another round of heavier snow is possible Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. && $$ WYZ001-061300- /O.CON.KRIW.WW.Y.0025.240506T0500Z-240508T0000Z/ Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1253 PM MDT Sun May 5 2024 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT TUESDAY... * WHAT...Snow expected. Total snow accumulations of 10 to 18 inches in southwest portions of the Park. Snowfall up to 5 inches elsewhere. Winds could gust as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...From 11 PM this evening to 6 PM MDT Tuesday. * IMPACTS...Travel could be very difficult, especially in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. && $$ WYZ014-015-061300- /O.CON.KRIW.WW.Y.0025.240506T0000Z-240507T0000Z/ Wind River Mountains West-Wind River Mountains East- 1253 PM MDT Sun May 5 2024 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 7 to 12 inches. Winds could gust as high as 65 mph. * WHERE...Wind River Mountains West and Wind River Mountains East. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially on WY Hwy 28 over South Pass. * ADDITIONAL DETAILS...Up to 16 inches of snow is possible over the higher elevations of the northern range. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. && $$ WYZ024-061300- /O.CON.KRIW.WW.Y.0025.240506T0500Z-240507T0000Z/ Salt River and Wyoming Ranges- 1253 PM MDT Sun May 5 2024 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 10 inches, with near 12 inches for the highest peaks. Winds gusting as high as 55 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially over Salt River Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. && $$ For more information from the National Weather Service visit https://weather.gov/riw