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Winter Road Conditions
US 20 Whole Road 9 reports
Parma to Boise 2 reports
Mountain Home to Arco 4 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). 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). Look out for icy patches. The road is wet. Cloudy skies. Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 46 (16 miles west of the Carey area). Look out for slush on the roadway. The road is wet. 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). Look out for slush on the roadway. Look out for packed snow patches on the roadway. Be prepared for light snow. 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 snow on the roadway. Look out for icy patches. Cloudy skies. Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). Look out for slush on the roadway. Look out for packed snow patches on the roadway. Cloudy skies. Look out for drifting snow on the roadway. Between I-15 (Idaho Falls) and Harriman State Park (2 miles west of the Island Park area). The road is wet. Cloudy skies. 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). Look out for snow on the roadway. Look out for icy patches. The road is wet. Cloudy skies. Look out for high winds. Look out for drifting snow on the roadway. Visibility is reduced.
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