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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). The road is wet. Expect rain. Between I-84 (Caldwell) and Franklin Road (3 miles west of the Star area). The road is wet. Expect rain. Between Franklin Road (3 miles west of the Star area) and 15th Street (Boise). The road is wet. Cloudy skies. Expect rain. Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). The road is wet. 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 Blizzard Mountain Road (18 miles west of the Arco area). The road is wet. Be prepared for light snow. Between Lava Lake Road (18 miles west of the Arco area) and I-15; US 91 (Idaho Falls). The road is wet. Cloudy skies. Between I-15 (Idaho Falls) and The South Ashton City Limits (6 miles west of the Ashton area). The road is wet. 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. The road is wet. Be prepared for light 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 slush on the roadway. The road is wet. Expect rain.
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