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Winter Road Conditions
US 20 Whole Road 9 reports
Parma to Boise 3 reports
Mountain Home to Arco 3 reports
Arco to Idaho Falls 1 report
Idaho Falls to Montana 3 reports
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. Be prepared for light snow. Between I-84 (Caldwell) and ID 16 (3 miles west of the Eagle area). The road is wet. Cloudy skies. 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 I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Expect dry pavements. Cloudy skies. 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. Cloudy skies. Between The Timmerman Rest Area (16 miles west of the Carey area) and I-15; US 91 (Idaho Falls). Expect dry pavements. Weather conditions clear. Between I-15 (Idaho Falls) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Weather conditions clear. 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 icy patches. Weather conditions clear. 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 slush on the roadway. The road is wet. Weather conditions clear.
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