Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
US 20
US 20 in both directions: Dry pavement, cloudy.
Between US 95 (near Parma) and I-84 (near Caldwell). Expect dry pavements. Cloudy skies.
Last updated today at 12:40pm MST
US 20 in both directions: Dry pavement, cloudy.
Between I-84 (Caldwell) and 15th Street (Boise). Expect dry pavements. Cloudy skies.
Last updated today at 12:40pm MST
US 20 in both directions: Wet pavement, cloudy, large animals on roadway.
Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). The road is wet. Cloudy skies. Look out for large animals on the roadway.
Last updated today at 12:40pm MST
US 20 in both directions: Dry pavement, cloudy, gusty winds.
Between Cat Creek Summit (26 miles west of the Fairfield area) and Blizzard Mountain Road (18 miles west of the Arco area). Expect dry pavements. Cloudy skies. Be prepared for gusty winds.
Last updated today at 12:51pm MST
US 20 in both directions: Dry pavement, cloudy.
Between Lava Lake Road (18 miles west of the Arco area) and I-15; US 91 (Idaho Falls). Expect dry pavements. Cloudy skies.
Last updated today at 1:27pm MST
US 20 in both directions: Dry pavement, cloudy.
Between I-15 (Idaho Falls) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Cloudy skies.
Last updated today at 1:27pm MST
US 20 in both directions: Wet pavement, cloudy.
Between The South Ashton City Limits (6 miles west of the Ashton area) and Harriman State Park (2 miles west of the Island Park area). The road is wet. Cloudy skies.
Last updated today at 1:24pm MST
US 20 in both directions: Wet pavement, light snow, drifting snow.
Between Harriman State Park (2 miles west of the Island Park area) and The Montana State Line (3 miles east of the Island Park area). The road is wet. Be prepared for light snow. Look out for drifting snow on the roadway.
Last updated today at 1:24pm 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. Cloudy skies. Between I-84 (Caldwell) and 15th Street (Boise). Expect dry pavements. Cloudy skies. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). The road is wet. Cloudy skies. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and Blizzard Mountain Road (18 miles west of the Arco area). Expect dry pavements. Cloudy skies. Be prepared for gusty winds. Between Lava Lake Road (18 miles west of the Arco area) and I-15; US 91 (Idaho Falls). Expect dry pavements. Cloudy skies. Between I-15 (Idaho Falls) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Cloudy skies. Between The South Ashton City Limits (6 miles west of the Ashton area) and Harriman State Park (2 miles west of the Island Park area). The road is wet. Cloudy skies. Between Harriman State Park (2 miles west of the Island Park area) and The Montana State Line (3 miles east of the Island Park area). The road is wet. Be prepared for light snow. Look out for drifting snow on the roadway.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning