Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
ID 21
ID 21 in both directions: Slush, icy patches, packed snow patches, 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 slush on the roadway. Look out for icy patches. Look out for packed snow patches on the roadway. Be prepared for light snow. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 10:11am MST
ID 21 in both directions: Icy patches, heavy rain, large animals on roadway.
Between Lucky Peak Dam Road (2 miles north of the Boise area) and King Road (Idaho City). Look out for icy patches. Be prepared for heavy rain. Look out for large animals on the roadway.
Last updated today at 5:42am MST
ID 21 in both directions: Packed snow, light snow.
Between King Road and Garden Valley Road (31 miles north of the Idaho City area). Look out for packed snow on the roadway. Be prepared for light snow.
Last updated today at 8:53am MST
ID 21 in both directions: Icy patches, packed snow patches, cloudy, large animals on roadway.
Between Garden Valley 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 icy patches. Look out for packed snow patches on the roadway. Cloudy skies. Look out for large animals on the roadway.
Last updated today at 5:42am MST
ID 21 in both directions: Snow on roadway, cloudy.
Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for snow on the roadway. Cloudy skies.
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 slush on the roadway. Look out for icy patches. Look out for packed snow patches on the roadway. 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 (2 miles north of the Boise area) and King Road (Idaho City). Look out for icy patches. Be prepared for heavy rain. Look out for large animals on the roadway. Between King Road and Garden Valley Road (31 miles north of the Idaho City area). Look out for packed snow on the roadway. Be prepared for light snow. Between Garden Valley 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 icy patches. Look out for packed snow patches on the roadway. Cloudy skies. Look out for large animals on the roadway. Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for snow on the roadway. Cloudy skies.
Google Static Map Image
State conditions legend State
Closure Closure
Public conditions legend Public
Weather warning legend Weather Warning