Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 10 reports
Parma to Boise 3 reports
Mountain Home to Arco 5 reports
Arco to Idaho Falls 2 reports
Idaho Falls to Montana 2 reports
Reports on US 20
Map of Reports on US 20 Between US 95 (near Parma) and I-84 (near Caldwell). Look out for slush on the roadway. The road is wet. Be prepared for light snow. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for slush on the roadway. The road is wet. Be prepared for light snow. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). The road is wet. Be prepared for snow. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Look out for snow on the roadway. Be prepared for snow. Look out for large animals on the roadway. Look out for drifting snow on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). Look out for snow on the roadway. Be prepared for light snow. Be prepared for gusty winds. Between First Street West (Fairfield) and I-15; US 91 (Idaho Falls). Expect dry pavements. Cloudy skies. Between I-15 (Idaho Falls) and The Montana State Line (3 miles east of the Island Park area). Expect dry pavements. Cloudy skies. Between County Line Road; Camp Creek Road (12 miles east of the Fairfield area) and Cutoff Road (5 miles west of the Carey area). A Winter Storm Warning is in effect. Until Saturday, at about 5:00PM MST. Between Blizzard Mountain Road (13 miles west of the Arco area) and The Truck Scale Port of Entry (near Butte City). A Winter Storm Warning is in effect. Until Saturday, at about 5:00PM MST. Between Blizzard Mountain Road (13 miles west of the Arco area) and The Truck Scale Port of Entry (near Butte City). A Winter Storm Warning is in effect. Until Saturday, at about 5:00PM MST. Between The North Fork Teton River Bridge (near Sugar City) and The Montana State Line (3 miles east of the Island Park area). A Winter Storm Warning is in effect. Until Saturday, at about 5:00PM MST.
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