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ID 21
ID 21 in both directions: Icy patches, wet pavement, cloudy, large animals on roadway, rock fall danger.
Between I-84 (Boise) 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 today at 5:44am MST
ID 21 in both directions: Road closed, because of drifting snow on the roadway.
Between Rabbit Creek Road and Garden Valley Road (7 to 31 miles north of the Idaho City area). The road is closed because of drifting snow on the roadway.

Web Comment: Closed from milepost 48 to milepost 72.5, north of Idaho City to Lowman.
Last updated today at 6:00am MST
ID 21 in both directions: Icy patches, packed snow patches, cloudy.
Between Garden Valley Road (31 miles north of the Idaho City area) and Grandjean Road (35 miles south of the Stanley area). Look out for icy patches. Look out for packed snow patches on the roadway. Cloudy skies.
Last updated today at 5:45am MST
ID 21 in both directions: Ice, packed snow, cloudy.
Between Grandjean Road and The Custer - Boise County Line (22 to 35 miles south of the Stanley area). Look out for ice on the roadway. Look out for packed snow on the roadway. Cloudy skies.
Last updated today at 5:45am MST
ID 21 in both directions: Snow on roadway, light 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 light snow.
Last updated today at 5:51am MST
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Reports on ID 21
Map of Reports on ID 21 Between I-84 (Boise) 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. Between I-84 (Boise) 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. Between Rabbit Creek Road and Garden Valley Road (7 to 31 miles north of the Idaho City area). The road is closed because of drifting snow on the roadway. Between Garden Valley Road (31 miles north of the Idaho City area) and Grandjean Road (35 miles south of the Stanley area). Look out for icy patches. Look out for packed snow patches on the roadway. Cloudy skies. Between Grandjean Road and The Custer - Boise County Line (22 to 35 miles south of the Stanley area). Look out for ice on the roadway. Look out for packed snow on the roadway. Cloudy skies. 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 light snow.
ID 21 in both directions: Road closed, because of drifting snow on the roadway.
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Closure Closure
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Weather warning legend Weather Warning