Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 12 reports
Parma to Boise 2 reports
Mountain Home to Arco 5 reports
Arco to Idaho Falls 3 reports
Idaho Falls to Montana 4 reports
Reports on US 20
Map of Reports on US 20 Between US 95 (near Parma) and I-84 (near Caldwell). Expect dry pavements. Cloudy skies. Between I-84 (Caldwell) and I-184 (Boise). Expect dry pavements. Cloudy skies. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Expect dry pavements. Cloudy skies. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and Blizzard Mountain Road (15 miles east of the Carey area). Expect dry pavements. Cloudy skies. Between Lava Lake Road (15 miles east of the Carey area) and Van Buren Boulevard (13 miles east of the Butte City area). The road is wet. Cloudy skies. Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). Expect dry pavements. Cloudy skies. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Expect dry pavements. Cloudy skies. Be prepared for light snow. Between 4300 West Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). Look out for slush on the roadway. The road is wet. Be prepared for light snow. Between The South Ashton City Limits (6 miles west of the Ashton area) and The Montana State Line (3 miles east of the Island Park area). The road is wet. 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 tomorrow at about 12:00AM 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 tomorrow at about 6:00AM 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 tomorrow at about 6:00AM 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 tomorrow at about 5:00PM MST.
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