URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 625 PM MDT Fri Apr 7 2017 ...Heavy wet snow for the western mountains and valleys tonight through Saturday night spreading into the Bighorn mountains through Sunday... .A strong wet Pacific low pressure trough will bring periods of heavy wet snow to the Teton, Gros Ventre, Wyoming, Salt River and Wind river mountains tonight through Saturday night. Rain or a rain snow mix is expected at time below 7500 feet in the Star valley and Jackson Hole. Snow will spread east into the Bighorn mountains late tonight and extend through Sunday as snow ends in the west. Star Valley-South Lincoln County- Including the cities of Afton, Alpine, Star Valley Ranch, Thayne, Kemmerer, and Cokeville 625 PM MDT Fri Apr 7 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT SUNDAY... * TIMING...A cold front will usher in widespread rain and snow showers early this evening with snow levels initially between 8000 and 9000 feet. Snow levels will lower to below 7000 feet by midnight. Periods of snow or a rain and snow mix will continue through Saturday, with precipitation expected to change to all snow by Saturday evening. * Snow accumulation...3 to 8 inches with the heaviest snow around Thayne, Smoot and Star Valley Ranch. * MAIN IMPACT...Travel may become difficult with deep wet snow accumulating on road surfaces and visibility being reduced below an eighth of a mile at times. * OTHER IMPACTS...Heavy wet snow may make outdoor activities difficult and increase the threat of hypothermia for those without proper winter clothing. PRECAUTIONARY/PREPAREDNESS ACTIONS... A winter weather advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered and slick roads with limited visibilities. Slow down, and allow extra time to reach your destination. Check the latest road conditions at wyoroad.info or by dialing 5 1 1.
Salt River and Wyoming Ranges- 625 PM MDT Fri Apr 7 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * TIMING...A cold front will usher in widespread rain and snow showers early this evening with snow levels initially between 8000 and 9000 feet. Snow levels will lower to below 7500 feet around midnight. Periods of heavy snow will continue Saturday through Saturday night. * Snow accumulation...8 to 16 inches. * MAIN IMPACT...Travel over Salt river pass may become difficult with deep wet snow accumulating on road surfaces and visibility being reduced below an eighth of a mile at times. * OTHER IMPACTS...Heavy wet snow may make outdoor activities difficult and increase the threat of hypothermia for those without proper winter clothing. PRECAUTIONARY/PREPAREDNESS ACTIONS... A winter storm warning means significant amounts of snow, and or blowing snow are expected or occurring. This could make travel very hazardous or impossible. If you must travel keep some food, water, and an extra flashlight in your vehicle in case of an emergency. Check the latest road conditions at wyoroad.info or by dialing 5 1 1.
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