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 5 reports
Arco to Idaho Falls 2 reports
Idaho Falls to Montana 5 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. Look out for a mix of rain and snow. Be ready for patchy fog. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for icy patches. The road is wet. Look out for a mix of rain and snow. Be ready for patchy fog. 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. Expect rain. Be ready for patchy fog. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Look out for slush on the roadway. Look out for a mix of rain and snow. Be ready for patchy fog. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). Look out for snow on the roadway. Be prepared for snow. Between First Street West (Fairfield) and ID 46 (16 miles west of the Carey area). Look out for slush on the roadway. 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). The road is wet. 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). Look out for packed snow on the roadway. Be prepared for light snow. 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 slush on the roadway. The road is wet. Look out for a mix of rain and 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 snow on the roadway. Look out for icy patches. Cloudy skies. Between The South Ashton City Limits (6 miles west of the Ashton area) and Harriman State Park (2 miles west of the Island Park area). Look out for slush on the roadway. The road is wet. Look out for a mix of rain and snow. 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. Be prepared for light snow. Look out for drifting snow on the roadway. 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 today at about 5:00PM MST.
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