Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 9 reports
Parma to Boise 3 reports
Mountain Home to Arco 3 reports
Arco to Idaho Falls No reports
Idaho Falls to Montana 3 reports
Reports on US 20
Map of Reports on US 20 Between US 95 (near Parma) and I-84 (near Caldwell). The road is wet. Be prepared for heavy rain. Look out for high winds. Visibility is reduced. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). The road is wet. Be prepared for heavy rain. Look out for high winds. Visibility is reduced. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). The road is wet. Cloudy skies. Be ready for patchy fog. Look out for large animals on the roadway. There is danger of a rock fall. Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). The road is wet. Weather conditions clear. Be ready for patchy fog. Between 4300 West Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Cloudy skies. 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). The road is wet. Expect rain. 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). The road is wet. Cloudy skies. Between The Canyon - Ada County Line (5 miles west of the Eagle area) and I-84 (Boise). A High Wind Warning is in effect. Until tomorrow at about 12:00AM MDT. Between I-84; ID 51 and Immigrant Road (7 miles east of the Mountain Home area). A High Wind Warning is in effect. Until tomorrow at about 12:00AM MDT.
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