Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 11 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 icy patches. The road is wet. Cloudy skies. Look out for a mix of rain and snow. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for icy patches. The road is wet. Cloudy skies. Look out for a mix of rain and snow. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Look out for slush on the roadway. The road is wet. 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. Look out for packed snow patches on the roadway. Cloudy skies. Be prepared for snow. 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. Be prepared for gusty winds. Look out for drifting snow on the roadway. Between The Timmerman Rest Area (16 miles west of the Carey area) and US 26 (Carey). Look out for packed snow patches on the roadway. Cloudy skies. Look out for drifting snow on the roadway. Between US 26 and Blizzard Mountain Road (15 miles east of the Carey area). Look out for snow on the roadway. Cloudy skies. Look out for drifting snow on the roadway. 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 a mix of rain and snow. 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. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies. Be prepared for light snow. Between 4300 West Road (2 miles west of the Rexburg area) and The Montana State Line (3 miles east of the Island Park area). Expect dry pavements. Be prepared for light snow.
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