Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 14 reports
Parma to Boise 3 reports
Mountain Home to Arco 7 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). Expect dry pavements. Cloudy skies. Be prepared for gusty winds. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Expect dry pavements. Cloudy skies. Be prepared for gusty winds. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Expect dry pavements. Cloudy skies. Be prepared for light snow. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Look out for packed snow patches on the roadway. Look out for a mix of rain and 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). Expect dry pavements. Cloudy skies. Between First Street West (Fairfield) and ID 46 (16 miles west of the Carey area). Look out for snow on the roadway. Cloudy skies. Between The Timmerman Rest Area (16 miles west of the Carey area) and US 26 (Carey). Look out for slush on the roadway. The road is wet. Be prepared for snow. Between US 26 (Carey) and US 93 (Arco). Look out for snow on the roadway. Be prepared for light snow. Between US 93 (Arco) and Van Buren Boulevard (13 miles east of the Butte City area). Expect dry pavements. 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. The road is wet. Be prepared for light snow. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). Look out for snow on the roadway. Be prepared for 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 icy patches. 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). Expect dry pavements. Cloudy skies. Between Picabo Road (5 miles west of the Carey area) and Blizzard Mountain Road (17 miles east of the Carey area). A Winter Storm Warning is in effect. Until tomorrow at about 11:00AM MST.
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