Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
ID 21
ID 21 in both directions: Icy patches, wet pavement, cloudy, light snow, large animals on roadway, rock fall danger.
Between I-84 and Lucky Peak Dam Road (2 miles north of the Boise area). Look out for icy patches. The road is wet. Cloudy skies. Be prepared for light snow. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 5:08am MST
ID 21 in both directions: Snow on roadway, light snow, large animals on roadway.
Between Lucky Peak Dam Road and Robie Creek Road (2 to 13 miles north of the Boise area). Look out for snow on the roadway. Be prepared for light snow. Look out for large animals on the roadway.
Last updated today at 5:36am MST
ID 21 in both directions: Snow on roadway, snow, large animals on roadway.
Between Robie Creek Road (13 miles north of the Boise area) and Banks Lowman Road (31 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for snow. Look out for large animals on the roadway.
Last updated today at 5:36am MST
ID 21 in both directions: Snow on roadway, snow, large animals on roadway, rock fall danger.
Between Banks Lowman Road (31 miles north of the Idaho City area) and The Custer - Boise County Line (22 miles south of the Stanley area). Look out for snow on the roadway. Be prepared for snow. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 5:37am MST
ID 21 in both directions: Snow on roadway, snow.
Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for snow on the roadway. Be prepared for snow.
Last updated today at 5:54am MST
Switch to Road Reports
Switch to Truck Restrictions
Reports on ID 21
Map of Reports on ID 21 Between I-84 and Lucky Peak Dam Road (2 miles north of the Boise area). Look out for icy patches. The road is wet. Cloudy skies. Be prepared for light snow. Look out for large animals on the roadway. There is danger of a rock fall. Between Lucky Peak Dam Road and Robie Creek Road (2 to 13 miles north of the Boise area). Look out for snow on the roadway. Be prepared for light snow. Look out for large animals on the roadway. Between Robie Creek Road (13 miles north of the Boise area) and Banks Lowman Road (31 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for snow. Look out for large animals on the roadway. Between Banks Lowman Road (31 miles north of the Idaho City area) and The Custer - Boise County Line (22 miles south of the Stanley area). Look out for snow on the roadway. Be prepared for snow. Look out for large animals on the roadway. There is danger of a rock fall. Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for snow on the roadway. Be prepared for snow.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning