Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
US 20
US 20 in both directions: Icy patches, wet pavement, freezing rain.
Between US 95 (near Parma) and I-84 (near Caldwell). Look out for icy patches. The road is wet. Look out for freezing rain.
Last updated today at 1:43am MST
US 20 in both directions: Icy patches, wet pavement, freezing rain.
Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for icy patches. The road is wet. Look out for freezing rain.
Last updated today at 1:43am MST
US 20 in both directions: Slush, wet pavement, rain.
Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Look out for slush on the roadway. The road is wet. Expect rain.
Last updated yesterday at 3:14pm MST
US 20 in both directions: Slush, wet pavement, rain and snow mixed.
Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Look out for slush on the roadway. The road is wet. Look out for a mix of rain and snow.
Last updated yesterday at 12:42pm MST
US 20 in both directions: Snow on roadway, snow.
Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 46 (16 miles west of the Carey area). Look out for snow on the roadway. Be prepared for snow.
Last updated today at 5:23am MST
US 20: Winter Storm Warning.
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 today at about 5:00PM MST.

Web Comment: Winter Storm Warning issued December 10 at 2:11AM MST until December 10 at 5:00PM MST by NWS

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * IMPACTS...MODERATE TO HEAVY SNOWFALL WILL ACCUMULATE ON ROADWAYS RESULTING IN SLICK SURFACES AND REDUCED VISIBILITY.

Full NWS alert
Last updated today at 2:13am MST
US 20 in both directions: Wet pavement, rain.
Between The Timmerman Rest Area (16 miles west of the Carey area) and US 26 (Carey). The road is wet. Expect rain.
Last updated yesterday at 12:53pm MST
US 20 in both directions: Snow on roadway, snow.
Between US 26 and Blizzard Mountain Road (15 miles east of the Carey area). Look out for snow on the roadway. Be prepared for snow.
Last updated today at 4:06am MST
US 20 in both directions: Wet pavement, cloudy.
Between Lava Lake Road (15 miles east of the Carey area) and Van Buren Boulevard (13 miles east of the Butte City area). The road is wet. Cloudy skies.
Last updated yesterday at 1:26pm MST
US 20: Winter Storm Warning.
Between Blizzard Mountain Road (13 miles west of the Arco area) and The Truck Scale Port of Entry (near Butte City). A Winter Storm Warning is in effect. Until today at about 5:00PM MST.

Web Comment: Winter Storm Warning issued December 10 at 2:11AM MST until December 10 at 5:00PM MST by NWS

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * IMPACTS...PERIODS OF MODERATE SNOWFALL WILL CONTINUE TO PRODUCE SLICK ROADWAYS AND REDUCED VISIBILITY.

Full NWS alert
Last updated today at 2:13am MST
US 20 in both directions: Wet pavement, light snow.
Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). The road is wet. Be prepared for light snow.
Last updated yesterday at 1:27pm MST
US 20 in both directions: Wet pavement, cloudy.
Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies.
Last updated yesterday at 1:25pm MST
US 20 in both directions: Snow on roadway, icy patches, light snow.
Between 4300 West Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). Look out for snow on the roadway. Look out for icy patches. Be prepared for light snow.
Last updated yesterday at 5:18pm MST
US 20: Winter Storm Warning.
Between The North Fork Teton River Bridge (near Sugar City) and The Montana State Line (3 miles east of the Island Park area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST.

Web Comment: Winter Storm Warning issued December 10 at 2:11AM MST until December 10 at 5:00PM MST by NWS

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * IMPACTS...MODERATE TO HEAVY SNOWFALL WILL RESULT IN SLICK ROADWAYS AND REDUCED VISIBILITY.

Full NWS alert
Last updated today at 2:13am MST
US 20 in both directions: Slush, wet pavement, light snow.
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 slush on the roadway. The road is wet. Be prepared for light snow.
Last updated yesterday at 1:25pm 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). Look out for icy patches. The road is wet. Look out for freezing rain. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Look out for icy patches. The road is wet. Look out for freezing rain. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). Look out for slush on the roadway. The road is wet. Expect rain. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Look out for slush on the roadway. The road is wet. Look out for a mix of rain and snow. Between Cat Creek Summit (26 miles west of the Fairfield area) and ID 46 (16 miles west of the Carey area). Look out for snow on the roadway. Be prepared for snow. Between The Timmerman Rest Area (16 miles west of the Carey area) and US 26 (Carey). The road is wet. Expect rain. Between US 26 and Blizzard Mountain Road (15 miles east of the Carey area). Look out for snow on the roadway. Be prepared for snow. Between Lava Lake Road (15 miles east of the Carey area) and Van Buren Boulevard (13 miles east of the Butte City area). The road is wet. Cloudy skies. Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). The road is wet. Be prepared for light snow. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies. Between 4300 West Road (2 miles west of the Rexburg area) and The South Ashton City Limits (6 miles west of the Ashton area). Look out for snow on the roadway. Look out for icy patches. Be prepared for light snow. 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 slush on the roadway. The road is wet. Be prepared for light snow. 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 today at about 5:00PM MST. Between Blizzard Mountain Road (13 miles west of the Arco area) and The Truck Scale Port of Entry (near Butte City). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Blizzard Mountain Road (13 miles west of the Arco area) and The Truck Scale Port of Entry (near Butte City). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between The North Fork Teton River Bridge (near Sugar City) and The Montana State Line (3 miles east of the Island Park area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning