Weather Service Riverton WY 139 PM MST Sat Dec 2 2017 ...Winter storm for mountains of Western Wyoming tonight through Sunday night... Winter storm watch for parts of Central Wyoming Sunday night and Monday Morning... .Snow will spread south and east from the northwest mountains this evening. Snow, possibly heavy at times, will continue Sunday and into Sunday night over the western mountains. The snow will be accompanied by periods of gusty wind. Areas of blowing and drifting snow will likely develop. Heavy snow will also be possible from Eastern Sweetwater County to Casper Mountain Sunday night through Monday morning. Salt River and Wyoming Ranges- 139 PM MST Sat Dec 2 2017 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST MONDAY... * WHAT...Heavy snow and blowing snow expected. Plan on difficult travel conditions. Total snow accumulations of 9 to 14 inches, with localized amounts up to 18 inches, are expected. * WHERE...Salt River and Wyoming Ranges. * WHEN...Midnight to 5 AM Monday. * ADDITIONAL DETAILS...Winds gusting as high as 35 mph will cause areas of blowing and drifting snow. Travel may become difficult over Salt River pass.
Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 139 PM MST Sat Dec 2 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST MONDAY... * WHAT...Snow expected. Plan on slippery road conditions. Total snow accumulations of 3 to 5 inches, with localized amounts up to 9 inches, are expected. * WHERE...Star Valley. * WHEN...Midnight to 5 AM Monday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.