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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 yesterday at 6:47am MST
US 20 in both directions: Dry pavement, cloudy.
Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). Expect dry pavements. Cloudy skies.
Last updated yesterday at 6:47am MST
US 20 in both directions: Wet pavement, cloudy.
Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). The road is wet. Cloudy skies.
Last updated yesterday at 1:40pm MST
US 20 in both directions: Slush, light snow, large animals on roadway.
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. Be prepared for light snow. Look out for large animals on the roadway.
Last updated yesterday at 11:12am MST
US 20 in both directions: Icy patches, clear skies.
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.
Last updated today at 2:35am MST
US 20 in both directions: Dry pavement, cloudy.
Between The Timmerman Rest Area (16 miles west of the Carey area) and US 26 (Carey). Expect dry pavements. Cloudy skies.
Last updated yesterday at 6:51am MST
US 20 in both directions: Slush, icy patches, cloudy.
Between US 26 and Blizzard Mountain Road (15 miles east of the Carey area). Look out for slush on the roadway. Look out for icy patches. Cloudy skies.
Last updated today at 5:09am 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 7:03am MST
US 20 in both directions: Dry pavement, cloudy.
Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). Expect dry pavements. Cloudy skies.
Last updated yesterday at 7:28am MST
US 20 in both directions: Wet pavement, dry pavement, cloudy.
Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Expect dry pavements. Cloudy skies.
Last updated yesterday at 7:23am MST
US 20 in both directions: Slush, packed snow patches, cloudy.
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 slush on the roadway. Look out for packed snow patches on the roadway. Cloudy skies.
Last updated today at 4:59am 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 11:00AM MST.

Web Comment: Winter Storm Warning issued December 05 at 3:14AM MST until December 05 at 11:00AM MST by NWS

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * IMPACTS...HEAVY SNOW WILL PRODUCE DIFFICULT DRIVING CONDITIONS.

Full NWS alert
Last updated today at 3:17am MST
US 20 in both directions: Slush, icy patches, patchy fog, gusty winds.
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). Look out for slush on the roadway. Look out for icy patches. Be ready for patchy fog. Be prepared for gusty winds.
Last updated yesterday at 3:55pm MST
US 20 in both directions: Snow on roadway, heavy 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). Look out for snow on the roadway. Be prepared for heavy snow. Look out for drifting snow on the roadway.
Last updated yesterday at 7:24am MST
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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 ID 16 (3 miles west of the Eagle area). Expect dry pavements. Cloudy skies. Between ID 16 (3 miles west of the Eagle area) and I-184 (Boise). The road is wet. Cloudy skies. 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. Be prepared for light snow. 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). Look out for icy patches. Weather conditions clear. Between The Timmerman Rest Area (16 miles west of the Carey area) and US 26 (Carey). Expect dry pavements. Cloudy skies. Between US 26 and Blizzard Mountain Road (15 miles east of the Carey area). Look out for slush on the roadway. Look out for icy patches. Cloudy skies. 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). Expect dry pavements. Cloudy skies. Between I-15 (Idaho Falls) and Burton Road (2 miles west of the Rexburg area). The road is wet. Expect dry pavements. 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 slush on the roadway. Look out for packed snow patches on the roadway. 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). Look out for slush on the roadway. Look out for icy patches. Be ready for patchy fog. Be prepared for gusty winds. 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). Look out for snow on the roadway. Be prepared for heavy snow. Look out for drifting snow on the roadway. 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 11:00AM MST.
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Weather warning legend Weather Warning