Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 17 reports
Parma to Boise 3 reports
Mountain Home to Arco 9 reports
Arco to Idaho Falls 1 report
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). The road is wet. Look out for icy patches. Cloudy skies. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). The road is wet. Look out for icy patches. Cloudy skies. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Look out for icy patches. Cloudy skies. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). The road is wet. Look out for slush on the roadway. Cloudy skies. Be prepared for light snow. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). The road is wet. Look out for slush on the roadway. Cloudy skies. Between First Street West (Fairfield) and ID 75 (16 miles west of the Carey area). The road is wet. Cloudy skies. Between ID 75 (16 miles west of the Carey area) and US 26 (Carey). Look out for icy patches. 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 icy patches. Cloudy skies. Look out for drifting snow on the roadway. Between Lava Lake Road (15 miles east of the Carey area) and US 93 (Arco). Look out for icy patches. Weather conditions clear. Look out for large animals on the roadway. Between US 93 (Arco) and Van Buren Boulevard (13 miles east of the Butte City area). Look out for icy patches. Weather conditions clear. Look out for large animals on the roadway. Between I-15 (Idaho Falls) and The South Fork Teton River Bridge (Rexburg). Look out for packed snow patches on the roadway. Cloudy skies. Be prepared for snow. Look out for high winds. Between ID 33 (Rexburg) and The South Ashton City Limits (6 miles west of the Ashton area). The road is wet. Look out for icy patches. Be ready for patchy fog. Be prepared for gusty winds. Look out for drifting snow on the roadway. Between The South Ashton City Limits (6 miles west of the Ashton area) and Box Canyon Campground Road (near Island Park). Look out for snow on the roadway. Be prepared for snow. Look out for drifting snow on the roadway. Visibility is reduced. Between Recreational Access Road and The Montana State Line (3 miles east of the Island Park area). Look out for snow on the roadway. Be prepared for snow. Be ready for patchy fog. Be prepared for gusty winds. Look out for drifting snow on the roadway. Visibility is reduced. Between Hot Springs Road (7 miles east of the Mountain Home area) and High Prairie Road (21 miles west of the Fairfield area). A Winter Storm Warning is in effect. Until tomorrow at about 5:00AM MST. Between County Line Road; Camp Creek Road (12 miles east of the Fairfield area) and Cutoff Road (5 miles west of the Carey area). A Winter Storm Warning is in effect. Starting today at 1:00PM MST until tomorrow at about 5:00AM MST. 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. Starting today at 1:00PM MST until tomorrow at about 5:00PM MST.
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