Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Reports on ID 21
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.

Last updated yesterday at 6:41am MST

Between Lucky Peak Dam Road (2 miles north of the Boise area) and King Road (Idaho City). Look out for icy patches. The road is wet. Cloudy skies. Look out for large animals on the roadway. There is danger of a rock fall.

Last updated yesterday at 8:16pm MST

Between King Road and Banks Lowman Road (31 miles north of the Idaho City area). Look out for snow on the roadway. Cloudy skies.

Last updated yesterday at 8:16pm MST

Between Banks Lowman Road (31 miles north of the Idaho City area) and Grandjean Road (35 miles south of the Stanley area). Look out for snow on the roadway. Look out for icy patches. Be prepared for light snow.

Last updated yesterday at 6:44am MST

Between Warm Springs Creek Airport Road and The Custer - Boise County Line (23 to 35 miles south of the Stanley area). The road is closed to traffic. There is danger of an avalanche.

Web Comment: Milepost 93.7 to 105.5, Grandjean to Banner Summit. The highway remains closed until further notice. Avalanche mitigation is in progress.

Last updated today at 12:32am MST

Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for icy patches. Cloudy skies.

Last updated yesterday at 2:38pm MST