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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 yesterday at 12:44pm MST
US 20 in both directions: Wet pavement, rain.
Between I-84 (Caldwell) and Franklin Road (3 miles west of the Star area). The road is wet. Expect rain.
Last updated yesterday at 12:44pm MST
US 20 in both directions: Wet pavement, cloudy, rain.
Between Franklin Road (3 miles west of the Star area) and 15th Street (Boise). The road is wet. Cloudy skies. Expect rain.
Last updated yesterday at 5:39am MST
US 20 in both directions: Snow on roadway, heavy 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 snow on the roadway. Be prepared for heavy snow. Look out for large animals on the roadway.
Last updated yesterday at 2:17pm MST
US 20 in both directions: Icy patches, packed snow patches, cloudy, dense fog, reduced visibility.
Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). Look out for icy patches. Look out for packed snow patches on the roadway. Cloudy skies. Be ready for dense fog. Visibility is reduced.
Last updated today at 5:11am MST
US 20 in both directions: Icy patches, cloudy, patchy fog.
Between First Street West (Fairfield) and US 26 (Carey). Look out for icy patches. Cloudy skies. Be ready for patchy fog.
Last updated today at 4:58am 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, wet pavement, light 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 light snow. Be ready for dense fog.
Last updated yesterday at 10:09pm 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 yesterday at 1:28pm MST
US 20 in both directions: Slush, wet pavement, rain and snow mixed.
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. Look out for a mix of rain and snow.
Last updated yesterday at 10:07pm MST
US 20 in both directions: Slush, wet pavement, light 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. The road is wet. Be prepared for light snow.
Last updated yesterday at 1:28pm MST
US 20 in both directions: Snow on roadway, 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 snow on the roadway. Be prepared for light snow.
Last updated yesterday at 8:54pm 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 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). Look out for snow on the roadway. Be prepared for heavy 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). Look out for icy patches. Look out for packed snow patches on the roadway. Cloudy skies. Be ready for dense fog. Visibility is reduced. Between First Street West (Fairfield) and US 26 (Carey). Look out for icy patches. Cloudy skies. 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 light 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. Look out for a mix of rain and 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. 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 snow on the roadway. Be prepared for light 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.
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