URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 843 AM MST Sun Feb 19 2023 WYZ023-200000- /O.NEW.KRIW.WS.W.0004.230220T0000Z-230222T1200Z/ Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 843 AM MST Sun Feb 19 2023 ...WINTER STORM WARNING IN EFFECT FROM 5 PM SUNDAY TO 5 AM MST WEDNESDAY... * WHAT...Snow, heavy at times. Total snow accumulations of 10 to 16 inches over northern Star Valley and 6 to 10 inches over southern Star Valley. Winds frequently gusting 15 to 30 mph. * WHERE...Star Valley. * WHEN...From 5 PM Sunday to 5 AM MST Wednesday. * IMPACTS...Travel could be very difficult to impossible, especially Monday night and Tuesday, with impacts to commuter traffic. Widespread snow and blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Snowfall amounts of 1 to 3 inches are forecast Sunday night and Monday. Much heavier snow, and the bulk of the snow accumulation, along with stronger wind arrives Monday night and continues into Tuesday evening before gradually diminishing. Following are 300mb forecast charts during the coming storm episode. Sunday Morning Tuesday Morning Wednesday Morning PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel will be significantly impacted by the snow and blowing snow, most especially Monday night and Tuesday. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.