Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 10 reports
Parma to Boise 4 reports
Mountain Home to Arco 4 reports
Arco to Idaho Falls 2 reports
Idaho Falls to Montana 1 report
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 ID 16 (3 miles west of the Eagle area). Expect dry pavements. Cloudy skies. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). The road is wet. Weather conditions clear. Between Avenue A and I-84 (Boise). A driver reported that the roadway was clear. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Expect dry pavements. Cloudy skies. Be ready for dense fog. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 75 (16 miles west of the Carey area). Expect dry pavements. Cloudy skies. Be ready for patchy fog. Between ID 75 (16 miles west of the Carey area) and Blizzard Mountain Road (15 miles east of the Carey area). Expect dry pavements. 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). Expect dry pavements. Weather conditions clear. Look out for large animals on the roadway. Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; I-15B (Idaho Falls). Expect dry pavements. Weather conditions clear. Between I-15 (Idaho Falls) and The Montana State Line (3 miles east of the Island Park area). Expect dry pavements. Weather conditions clear.
US 20: Clear.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning