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Winter Road Conditions
US 20 Whole Road 12 reports
Parma to Boise 4 reports
Mountain Home to Arco 4 reports
Arco to Idaho Falls 2 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. Cloudy skies. Be ready for patchy fog. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). The road is wet. Cloudy skies. Be ready for patchy fog. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Expect dry pavements. Cloudy skies. Be ready for patchy fog. Between Avenue A and University Drive (near Boise). The road is closed to traffic due to bridge construction work. A detour is in operation. Until October 1. 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. Look out for drifting snow on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 46 (16 miles west of the Carey area). Look out for icy patches. Cloudy skies. Between The Timmerman Rest Area (16 miles west of the Carey area) and Blizzard Mountain Road (15 miles east of the Carey area). Expect dry pavements. Weather conditions clear. Between Lava Lake Road (15 miles east of the Carey area) and Van Buren Boulevard (13 miles east of the Butte City area). Look out for icy patches. Expect dry pavements. Cloudy skies. Be ready for patchy fog. Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). The road is wet. Cloudy skies. Be ready for patchy fog. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies. 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 ice on the roadway. Look out for freezing rain. 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.
US 20: Road closed to traffic, due to bridge construction work, detour in operation.
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