Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
US 20: Idaho Falls to Montana
US 20 in both directions: Dry pavement, cloudy, gusty winds.
Between I-15 (Idaho Falls) and Thornton Road (2 miles west of the Rexburg area). Expect dry pavements. Cloudy skies. Be prepared for gusty winds.
Last updated today at 1:23pm MST
US 20 in both directions: Wet pavement, cloudy, gusty winds.
Between Thornton Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). The road is wet. Cloudy skies. Be prepared for gusty winds.
Last updated today at 1:25pm MST
US 20 in both directions: Slush, packed snow patches, wet pavement, cloudy, light snow.
Between The South Ashton City Limits (6 miles west of the Ashton area) and Harriman State Park (2 miles west of the Island Park area). Look out for slush on the roadway. Look out for packed snow patches on the roadway. The road is wet. Cloudy skies. Be prepared for light snow.
Last updated today at 4:00pm MST
US 20 in both directions: Snow on roadway, heavy snow, drifting snow, reduced visibility.
Between Harriman State Park (2 miles west of the Island Park area) and The Montana State Line (3 miles east of the Island Park area). Look out for snow on the roadway. Be prepared for heavy snow. Look out for drifting snow on the roadway. Visibility is reduced.
Last updated today at 1:24pm MST
Switch to Road Reports
Switch to Truck Restrictions
Reports on US 20: Idaho Falls to Montana
Map of Reports on US 20 Between I-15 (Idaho Falls) and Thornton Road (2 miles west of the Rexburg area). Expect dry pavements. Cloudy skies. Be prepared for gusty winds. Between Thornton Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). The road is wet. Cloudy skies. Be prepared for gusty winds. Between The South Ashton City Limits (6 miles west of the Ashton area) and Harriman State Park (2 miles west of the Island Park area). Look out for slush on the roadway. Look out for packed snow patches on the roadway. The road is wet. Cloudy skies. Be prepared for light snow. Between Harriman State Park (2 miles west of the Island Park area) and The Montana State Line (3 miles east of the Island Park area). Look out for snow on the roadway. Be prepared for heavy snow. Look out for drifting snow on the roadway. Visibility is reduced.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning