Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 4 reports
Parma to Boise No reports
Mountain Home to Arco 2 reports
Arco to Idaho Falls No reports
Idaho Falls to Montana 2 reports
Reports on US 20
Map of Reports on US 20 Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). The road is wet. Expect rain. Between First Street West (Fairfield) and ID 75 (16 miles west of the Carey area). The road is wet. Cloudy skies. Expect rain. Between The South Ashton City Limits (6 miles west of the Ashton area) and Box Canyon Campground Road (near Island Park). Look out for slush on the roadway. Look out for snow on the roadway. Look out for a mix of rain and snow. Between Recreational Access Road and The Montana State Line (3 miles east of the Island Park area). Look out for packed snow on the roadway. Be prepared for snow.
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