Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
US 20
US 20 in both directions: Dry pavement, clear skies.
Between US 95 (near Parma) and I-84 (near Caldwell). Expect dry pavements. Weather conditions clear.
Last updated today at 6:39am MST
US 20 in both directions: Dry pavement, clear skies.
Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Expect dry pavements. Weather conditions clear.
Last updated today at 6:39am MST
US 20 in both directions: Dry pavement, cloudy.
Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Expect dry pavements. Cloudy skies.
Last updated today at 9:55am MST
US 20: Road closed to traffic, due to bridge construction work, detour in operation.
Between Avenue A and University Drive (near Boise). The road is closed to traffic due to bridge construction work. A detour is in operation. Until October 1.

Web Comment: – Pile driving at the Broadway Avenue Bridge begins Wednesday (Jan. 13). Over the next four to six weeks, crews will hammer steel piles into the ground to support the new bridge being built over the Boise River. Pile driving will occur seven days a week from 7 a.m. to 7 p.m. Drivers and surrounding neighbors will hear high noise volumes during this work, as pile driving is loud. 129,000 LB Max Reducible loads thru detour, including No overweight permits

More Info: Broadway bridge
Last updated on January 29
US 20 in both directions: Dry pavement, cloudy, patchy fog, large animals on roadway.
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 patchy fog. Look out for large animals on the roadway.
Last updated today at 6:38am MST
US 20 in both directions: Dry pavement, clear skies.
Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 46 (16 miles west of the Carey area). Expect dry pavements. Weather conditions clear.
Last updated today at 6:37am MST
US 20 in both directions: Dry pavement, clear skies, drifting snow.
Between Lava Lake Road (15 miles east of the Carey area) and US 93 (Arco). Expect dry pavements. Weather conditions clear. Look out for drifting snow on the roadway.
Last updated today at 7:32am MST
US 20 in both directions: Wet pavement, patchy fog, drifting snow.
Between US 93 (Arco) and Van Buren Boulevard (13 miles east of the Butte City area). The road is wet. Be ready for patchy fog. Look out for drifting snow on the roadway.
Last updated today at 7:32am MST
US 20 in both directions: Wet pavement, cloudy, patchy fog.
Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies. Be ready for patchy fog.
Last updated today at 7:29am MST
US 20 in both directions: Dry pavement, dense fog.
Between 4300 West Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Be ready for dense fog.
Last updated today at 10:22pm MST
US 20 in both directions: Icy patches, cloudy.
Between The South Ashton City Limits (6 miles west of the Ashton area) and The Montana State Line (3 miles east of the Island Park area). Look out for icy patches. Cloudy skies.
Last updated today at 7:30am MST
Switch to Road Reports
Switch to Truck Restrictions
Reports on US 20
Map of Reports on US 20 Between US 95 (near Parma) and I-84 (near Caldwell). Expect dry pavements. Weather conditions clear. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Expect dry pavements. Weather conditions clear. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Expect dry pavements. Cloudy skies. Between Avenue A and University Drive (near Boise). The road is closed to traffic due to bridge construction work. A detour is in operation. Until October 1. 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 patchy fog. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 46 (16 miles west of the Carey area). Expect dry pavements. Weather conditions clear. Between Lava Lake Road (15 miles east of the Carey area) and US 93 (Arco). Expect dry pavements. Weather conditions clear. Look out for drifting snow on the roadway. Between US 93 (Arco) and Van Buren Boulevard (13 miles east of the Butte City area). The road is wet. Be ready for patchy fog. Look out for drifting snow on the roadway. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies. Be ready for patchy fog. Between 4300 West Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Be ready for dense fog. Between The South Ashton City Limits (6 miles west of the Ashton area) and The Montana State Line (3 miles east of the Island Park area). Look out for icy patches. Cloudy skies.
US 20: Road closed to traffic, due to bridge construction work, detour in operation.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning