US-20 between Idaho State Line at Targhee Pass and West Yellowstone Park

Road Conditions:

Road conditions as of 7:00 PM MDT on Saturday, April 29 are as follows: dry and frost or ice on bridges. Actual road conditions may vary from this report. Motorists are cautioned to be alert to changing conditions.


The forecast until 1:00 AM MDT on Sunday, April 30: Skies will be partly cloudy becoming mostly clear. Visibility will be ten miles changing to two miles in haze. Widely scattered very light snow will be ending. Winds will be 8 mph from the west changing to 4 mph from the southwest. Temperatures will range from 37 to 43 F changing to 19 to 25 F.