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

Road Conditions:

Road conditions as of 4:00 PM MDT on Sunday, June 17 are as follows: dry. Actual road conditions may vary from this report. Motorists are cautioned to be alert to changing conditions.


The forecast until 10:00 PM MDT on Sunday, June 17: Skies will be overcast becoming mostly cloudy. Visibility will be five miles changing to ten miles. There will be frequent thunderstorms changing to occasional light rain. Winds will be 7 mph from the north changing to 10 mph gusting to 16 mph from the east. Temperatures will range from 44 to 52 F changing to 51 to 53 F.