Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Winter Road Conditions
US 20 Whole Road 16 reports
Parma to Boise 7 reports
Mountain Home to Arco 7 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). Look out for icy patches. Look out for packed snow patches on the roadway. Be prepared for light snow. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for icy patches. Look out for packed snow patches on the roadway. Be prepared for light snow. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Expect dry pavements. Cloudy skies. Between Avenue A and I-84 (Boise). A driver reported snow patches on the roadway. It was snowing. 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. Expect dry pavements. Cloudy skies. 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 ID 46 (16 miles west of the Carey area). Look out for icy patches. Weather conditions clear. Between The Timmerman Rest Area (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 US 93 (Arco). Look out for icy patches. Weather conditions clear. Between US 93 (Arco) and Van Buren Boulevard (13 miles east of the Butte City area). Look out for ice on the roadway. Look out for icy patches. Weather conditions clear. Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (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. Weather conditions clear. Between The Oregon State Line and US 95; Anderson Corner Road (8 to 10 miles west of the Parma area). A Winter Storm Warning is in effect. Until tomorrow at about 11:00AM MST. Between US 95 (near Parma) and I-84 (near Caldwell). A Winter Storm Warning is in effect. Until tomorrow at about 11:00AM MST. Between I-84 (near Caldwell) and Star Road (5 miles west of the Eagle area). A Winter Storm Warning is in effect. Until tomorrow at about 11:00AM 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. Until tomorrow at about 9:00PM MST. 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 9:00PM MST.
US 20: Snow patches, snowing.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning