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

Road Conditions:

Road conditions as of 2:30 PM MDT on Tuesday, May 21 are as follows: dry. Actual road conditions may vary from this report. Motorists are cautioned to be alert to changing conditions.


The forecast until 8:00 PM MDT on Tuesday, May 21: Skies will be overcast becoming mostly cloudy. Visibility will be ten miles changing to five miles. There will be continuous thunderstorms changing to occasional very light rain. Winds will be 10 mph from the north-northwest changing to 8 mph from the northeast. Temperatures will range from 39 to 47 F changing to 36 to 40 F.