Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
ID 21
ID 21: Dry pavement, cloudy, patchy fog, large animals on roadway, rock fall danger.

Between I-84 and Lucky Peak Dam Road (2 miles north of the Boise area). Expect dry pavements. Cloudy skies. Be ready for patchy fog. Look out for large animals on the roadway. There is danger of a rock fall.

Forecast Weather: Overcast skies. Wind gusts of up to 15 mph are expected.

Last updated today at 6:39am MST
ID 21: Wet pavement, dry pavement, cloudy, large animals on roadway, rock fall danger.

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

Forecast Weather: Overcast skies. Wind gusts of up to 13 mph are expected.

Last updated today at 6:42am MST
ID 21: Icy patches, cloudy, large animals on roadway, rock fall danger.

Between King Road and Banks Lowman Road (31 miles north of the Idaho City area). Look out for icy patches. Cloudy skies. Look out for large animals on the roadway. There is danger of a rock fall.

Forecast Weather: Overcast skies. Wind gusts of up to 12 mph are expected.

Last updated today at 6:42am MST
ID 21: Icy patches, wet pavement, patchy fog, large animals on roadway, rock fall danger.

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 icy patches. The road is wet. Be ready for patchy fog. Look out for large animals on the roadway. There is danger of a rock fall.

Forecast Weather: Slight chance of Light Snow. Slight chance of Light Rain. Wind gusts of up to 13 mph are expected.

Last updated today at 6:43am MST
ID 21: Icy patches, wet pavement, patchy fog, large animals on roadway, rock fall danger.

Between Grandjean Road and The Custer - Boise County Line (22 to 35 miles south of the Stanley area). Look out for icy patches. The road is wet. Be ready for patchy fog. Look out for large animals on the roadway. There is danger of a rock fall.

Forecast Weather: Slight chance of Light Snow. Slight chance of Light Rain. Expect up to a trace of new snow accumulation. Wind gusts of up to 17 mph are expected.

Last updated today at 6:43am MST
ID 21: Icy patches, packed snow patches, cloudy.

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

Forecast Weather: Overcast skies. Expect up to a trace of new snow accumulation. Wind gusts of up to 17 mph are expected.

Last updated today at 6:10am 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). Expect dry pavements. Cloudy skies. Be ready for patchy fog. 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). The road is wet. Expect dry pavements. Cloudy skies. Look out for large animals on the roadway. There is danger of a rock fall. Between King Road and Banks Lowman Road (31 miles north of the Idaho City area). Look out for icy patches. Cloudy skies. Look out for large animals on the roadway. There is danger of a rock fall. 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 icy patches. The road is wet. Be ready for patchy fog. Look out for large animals on the roadway. There is danger of a rock fall. Between Grandjean Road and The Custer - Boise County Line (22 to 35 miles south of the Stanley area). Look out for icy patches. The road is wet. Be ready for patchy fog. 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 icy patches. Look out for packed snow patches on the roadway. Cloudy skies.
Google Static Map Image
State conditions legend State
Closure Closure
Weather warning legend Weather Warning