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US 20
US 20 in both directions: Wet pavement, rain.
Between US 95 (near Parma) and I-84 (near Caldwell). The road is wet. Expect rain.
Last updated today at 6:44am MST
US 20 in both directions: Wet pavement, rain.
Between I-84 (Caldwell) and 15th Street (Boise). The road is wet. Expect rain.
Last updated today at 6:44am MST
US 20 in both directions: Icy patches, cloudy, 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 icy patches. Cloudy skies. Look out for large animals on the roadway.
Last updated today at 6:43am MST
US 20 in both directions: Icy patches, light snow.
Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). Look out for icy patches. Be prepared for light snow.
Last updated today at 7:05am MST
US 20 in both directions: Icy patches, cloudy, patchy fog.
Between First Street West (Fairfield) and ID 75 (17 miles west of the Carey area). Look out for icy patches. Cloudy skies. Be ready for patchy fog.
Last updated today at 6:53am MST
US 20: Winter Storm Warning.
Between 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 Monday, at about 5:00AM MST.

Comment: Winter Storm Warning issued December 20 at 2:58AM MST until December 22 at 5:00AM MST by NWS

.ABUNDANT PACIFIC MOISTURE WILL MOVE INTO SOUTHEAST IDAHO TODAY AND HEAVY SNOW IS EXPECTED AT HIGH ELEVATIONS IN THE CENTRAL MOUNTAINS AND EASTERN HIGHLANDS. HIGHEST SNOW AMOUNTS ARE EXPECTED TO BE ABOVE 7000 FEET AS THIS WILL BE A WARM SYSTEM. 2 TO 6 INCHES ARE EXPECTED AT 5 TO 6 THOUSAND FEET WITH OVER 6 INCHES POSSIBLE ABOVE 6 THOUSAND FEET AND OVER A FOOT MAY FALL ABOVE 7000

Full NWS alert
Last updated today at 2:59am MST
US 20 in both directions: Icy patches, light snow, patchy fog.
Between ID 75 (17 miles west of the Carey area) and US 26 (Carey). Look out for icy patches. Be prepared for light snow. Be ready for patchy fog.
Last updated today at 6:53am MST
US 20 in both directions: Icy patches, wet pavement, snow, dense fog.
Between US 26 (Carey) and Blizzard Mountain Road (18 miles west of the Arco area). Look out for icy patches. The road is wet. Be prepared for snow. Be ready for dense fog.
Last updated today at 6:59am MST
US 20 in both directions: Icy patches, packed snow patches, wet pavement, cloudy.
Between Lava Lake Road (18 miles west of the Arco area) and US 93 (Arco). Look out for icy patches. Look out for packed snow patches on the roadway. The road is wet. Cloudy skies.
Last updated yesterday at 10:37pm 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 Monday, at about 5:00AM MST.

Comment: Winter Storm Warning issued December 20 at 2:58AM MST until December 22 at 5:00AM MST by NWS

.ABUNDANT PACIFIC MOISTURE WILL MOVE INTO SOUTHEAST IDAHO TODAY AND HEAVY SNOW IS EXPECTED AT HIGH ELEVATIONS IN THE CENTRAL MOUNTAINS AND EASTERN HIGHLANDS. HIGHEST SNOW AMOUNTS ARE EXPECTED TO BE ABOVE 7000 FEET AS THIS WILL BE A WARM SYSTEM. 2 TO 6 INCHES ARE EXPECTED AT 5 TO 6 THOUSAND FEET WITH OVER 6 INCHES POSSIBLE ABOVE 6 THOUSAND FEET AND OVER A FOOT MAY FALL ABOVE 7000

Full NWS alert
Last updated today at 2:59am MST
US 20 in both directions: Wet pavement, cloudy.
Between US 93 (Arco) and I-15; US 91 (Idaho Falls). The road is wet. Cloudy skies.
Last updated yesterday at 10:37pm MST
US 20 in both directions: Wet pavement, cloudy.
Between I-15 (Idaho Falls) and Thornton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies.
Last updated today at 7:29am MST
US 20 in both directions: Slush, wet pavement, cloudy.
Between Thornton 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. The road is wet. Cloudy skies.
Last updated today at 7:33am MST
US 20 in both directions: Slush, wet pavement, freezing rain.
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. Look out for freezing rain.
Last updated today at 7:30am MST
US 20 in both directions: Slush, packed snow patches, wet pavement, cloudy.
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. Look out for packed snow patches on the roadway. The road is wet. Cloudy skies.
Last updated today at 7:32am 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). The road is wet. Expect rain. Between I-84 (Caldwell) and 15th Street (Boise). 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 icy patches. Cloudy skies. Look out for large animals on the roadway. Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). Look out for icy patches. Be prepared for light snow. Between First Street West (Fairfield) and ID 75 (17 miles west of the Carey area). Look out for icy patches. Cloudy skies. Be ready for patchy fog. Between ID 75 (17 miles west of the Carey area) and US 26 (Carey). Look out for icy patches. Be prepared for light snow. Be ready for patchy fog. Between US 26 (Carey) and Blizzard Mountain Road (18 miles west of the Arco area). Look out for icy patches. The road is wet. Be prepared for snow. Be ready for dense fog. Between Lava Lake Road (18 miles west of the Arco area) and US 93 (Arco). Look out for icy patches. Look out for packed snow patches on the roadway. The road is wet. Cloudy skies. Between US 93 (Arco) and I-15; US 91 (Idaho Falls). The road is wet. Cloudy skies. Between I-15 (Idaho Falls) and Thornton Road (2 miles west of the Rexburg area). The road is wet. Cloudy skies. Between Thornton 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. 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. Look out for freezing rain. 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. Look out for packed snow patches on the roadway. The road is wet. Cloudy skies. Between 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 Monday, at about 5:00AM 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 Monday, at about 5:00AM MST.
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