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 slush on the roadway. Look out for icy patches. Cloudy skies. Look out for large animals on the roadway. Look out for a surface water hazard. There is danger of a rock fall.
Last updated today at 5:33am MST
Between Lucky Peak Dam Road and Robie Creek Road (2 to 13 miles north of the Boise area). Look out for slush on the roadway. Look out for ice on the roadway. Look out for freezing rain. Look out for a mix of rain and snow. Look out for large animals on the roadway. Look out for a surface water hazard.
Last updated today at 3:15am MST
Between Robie Creek Road (13 miles north of the Boise area) and King Road (Idaho City). Look out for snow on the roadway. Be prepared for heavy snow. Look out for large animals on the roadway. Visibility is reduced.
Last updated today at 3:15am MST
Between King Road and Garden Valley Road (31 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for heavy snow. Look out for large animals on the roadway. Snow chains are recommended.
Last updated today at 3:15am MST
Between Rabbit Creek Road and Garden Valley Road (7 to 31 miles north of the Idaho City area). The road is closed. There is danger of an avalanche.

Web Comment: Closed from milepost 48 to milepost 72.5, north of Idaho City to Lowman.
Last updated today at 9:53am MST
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 snow on the roadway. Be prepared for snow. Look out for large animals on the roadway.
Last updated today at 5:39am MST
Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until today at about 9:00PM MST.

Web Comment: Winter Storm Warning issued January 19 at 3:21AM MST until January 19 at 9:00PM MST by NWS

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * IMPACTS...MODERATE TO HEAVY SNOWFALL WILL ACCUMULATE ON ROADWAYS AND MAY REDUCE VISIBILITY, MAKING TRAVEL DIFFICULT.

Full NWS alert
Last updated today at 3:23am MST
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 5:52am MST