Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 7 reports
Parma to Boise 3 reports
Mountain Home to Arco 3 reports
Arco to Idaho Falls 1 report
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). Look out for packed snow patches on the roadway. Be prepared for snow. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for packed snow patches on the roadway. Be prepared for snow. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Look out for icy patches. Look out for packed snow patches on the roadway. Be prepared for light snow. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Expect dry pavements. 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 ID 75 (16 miles west of the Carey area). Expect dry pavements. Cloudy skies. Be ready for patchy fog. Between Lava Lake Road (15 miles east of the Carey area) and I-15; I-15B (Idaho Falls). Expect dry pavements. Cloudy skies. Between I-15 (Idaho Falls) and The Montana State Line (3 miles east of the Island Park area). Expect dry pavements. Cloudy skies.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning