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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: Wet pavement, light snow, large animals on roadway.
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.
Last updated today at 1:19pm MST
US 20 in both directions: Wet pavement, cloudy, freezing rain.
Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). The road is wet. Cloudy skies. Look out for freezing rain.
Last updated today at 12:57pm MST
US 20 in both directions: Slush, wet pavement, light snow.
Between First Street West (Fairfield) and US 26 (Carey). Look out for slush on the roadway. The road is wet. Be prepared for light snow.
Last updated today at 12:43pm 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 11:25AM 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

Full NWS alert
Last updated today at 11:26am MST
US 20 in both directions: Wet pavement, cloudy, light snow.
Between US 26 (Carey) and Blizzard Mountain Road (18 miles west of the Arco area). The road is wet. Cloudy skies. Be prepared for light snow.
Last updated today at 12:23pm MST
US 20 in both directions: Slush, icy patches, snow, dense fog.
Between Lava Lake Road (18 miles west of the Arco area) and US 93 (Arco). Look out for slush on the roadway. Look out for icy patches. Be prepared for snow. Be ready for dense fog.
Last updated today at 7:40am 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 11:25AM 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

Full NWS alert
Last updated today at 11:26am MST
US 20 in both directions: Icy patches, wet pavement, cloudy.
Between US 93 (Arco) and Van Buren Boulevard (12 miles east of the Butte City area). Look out for icy patches. The road is wet. Cloudy skies.
Last updated today at 7:41am MST
US 20 in both directions: Wet pavement, cloudy.
Between ID 33 (12 miles east of the Butte City area) and I-15; US 91 (Idaho Falls). The road is wet. Cloudy skies.
Last updated today at 12:53pm 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, snow.
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. Be prepared for snow.
Last updated today at 10:39am 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 Monday, at about 5:00AM MST.

Comment: Winter Storm Warning issued December 20 at 11:25AM 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

Full NWS alert
Last updated today at 11:26am MST
US 20 in both directions: Slush, snow on roadway, snow.
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 snow on the roadway. Be prepared for snow.
Last updated today at 10:57am MST
US 20 in both directions: Slush, wet pavement, rain and snow mixed.
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. Look out for a mix of rain and snow.
Last updated today at 10:22am 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). 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 First Street West (Fairfield). The road is wet. Cloudy skies. Look out for freezing rain. Between First Street West (Fairfield) and US 26 (Carey). Look out for slush on the roadway. The road is wet. Be prepared for light snow. Between US 26 (Carey) and Blizzard Mountain Road (18 miles west of the Arco area). The road is wet. Cloudy skies. Be prepared for light snow. Between Lava Lake Road (18 miles west of the Arco area) and US 93 (Arco). Look out for slush on the roadway. Look out for icy patches. Be prepared for snow. Be ready for dense fog. Between US 93 (Arco) and Van Buren Boulevard (12 miles east of the Butte City area). Look out for icy patches. The road is wet. Cloudy skies. Between ID 33 (12 miles east of the Butte City area) 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. Be prepared for snow. 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 snow on the roadway. Be prepared for 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. Look out for a mix of rain and snow. 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. 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 Monday, at about 5:00AM MST.
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