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Office: RIW WWUS45 KRIW 210942 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 242 AM MST Wed Nov 21 2018 ...A Major Winter Storm to impact western Wyoming for the holiday weekend... .A strong winter storm will impact western portions of Wyoming Friday and Saturday. This storm is expected to produce significant snowfall, especially Friday night. WYZ001-002-212300- /O.NEW.KRIW.WS.A.0013.181123T1200Z-181124T1800Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, Old Faithful, and Pahaska 242 AM MST Wed Nov 21 2018 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 15 inches possible. Winds could gust as high as 40 mph over the Absarokas during the day Friday. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...From early Friday morning through Saturday morning. * ADDITIONAL DETAILS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$ WYZ012-024-212300- /O.NEW.KRIW.WS.A.0013.181123T1200Z-181124T1800Z/ Teton and Gros Ventre Mountains-Salt River and Wyoming Ranges- Including the cities of Alta and Fossil Butte National Monument 242 AM MST Wed Nov 21 2018 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 12 to 24 inches possible. Winds could gust as high as 35 mph Friday night. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...From early Friday morning through Saturday morning. * ADDITIONAL DETAILS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$ WYZ013-023-212300- /O.NEW.KRIW.WS.A.0013.181123T1200Z-181124T1800Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 242 AM MST Wed Nov 21 2018 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 8 to 12 inches possible. * WHERE...Jackson Hole and Star Valley. * WHEN...From early Friday morning through Saturday morning. * ADDITIONAL DETAILS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$ WYZ014-015-212300- /O.NEW.KRIW.WS.A.0013.181123T1200Z-181124T1800Z/ Wind River Mountains West-Wind River Mountains East- Including the city of Atlantic City 242 AM MST Wed Nov 21 2018 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 12 inches. Isolated amounts up to 16 inches possible. Winds could gust as high as 50 mph Friday morning. * WHERE...Wind River Mountains West and Wind River Mountains East. * WHEN...From late Thursday night through Saturday morning. * ADDITIONAL DETAILS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact travel over South Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$ WYZ025-212300- /O.NEW.KRIW.WS.A.0013.181123T1200Z-181124T1800Z/ Upper Green River Basin Foothills- Including the city of Pinedale 242 AM MST Wed Nov 21 2018 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 5 to 9 inches possible. * WHERE...Upper Green River Basin Foothills. * WHEN...From early Friday morning through Saturday morning. * ADDITIONAL DETAILS...Travel could be very difficult. The hazardous conditions could impact the morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$ WYZ027-212300- /O.NEW.KRIW.WS.A.0013.181123T1200Z-181124T1800Z/ South Lincoln County- Including the cities of Kemmerer and Cokeville 242 AM MST Wed Nov 21 2018 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 4 to 8 inches, with isolated amounts up to 10 inches, possible. Winds could gust as high as 35 mph Friday night. * WHERE...South Lincoln County. * WHEN...From late Thursday night through Saturday morning. * ADDITIONAL DETAILS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$ For more information from the National Weather Service visit http://weather.gov/riw