URGENT - WINTER WEATHER MESSAGE National Weather Service Grand Junction CO 211 PM MST Mon Dec 24 2018 COZ018-019-250515- /O.UPG.KGJT.WS.A.0007.181225T1600Z-181227T0400Z/ /O.NEW.KGJT.WS.W.0011.181225T1600Z-181227T0400Z/ Northwest San Juan Mountains-Southwest San Juan Mountains- Including the cities of Telluride, Ouray, Lake City, Silverton, Rico, and Hesperus 211 PM MST Mon Dec 24 2018 ...WINTER STORM WARNING IN EFFECT FROM 9 AM TUESDAY TO 9 PM MST WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 18 inches with locally higher amounts expected. * WHERE...Northwest San Juan Mountains and Southwest San Juan Mountains including Highways 550, 145 and 149 and their associated passes. * WHEN...Light to moderate snow will begin Christmas Day mid to late morning and increase in coverage and intensity late Christmas Day and overnight into Wednesday. * ADDITIONAL DETAILS...Holiday travel will be very difficult due to heavy snow and reduced visibility in blowing snow. Travel will be very difficult to impossible.