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ID 21
ID 21 in both directions: Slush, wet pavement, cloudy, light snow.
Between I-84 and Lucky Peak Dam Road (2 miles north of the Boise area). Look out for slush on the roadway. The road is wet. Cloudy skies. Be prepared for light snow.
Last updated today at 12:40pm MST
ID 21 in both directions: Snow on roadway, snow.
Between Lucky Peak Dam Road (2 miles north of the Boise area) and Garden Valley Road (31 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for snow.
Last updated today at 12:57pm MST
ID 21 in both directions: Snow on roadway, icy patches, snow, 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 snow on the roadway. Look out for icy patches. Be prepared for snow. Look out for large animals on the roadway.
Last updated today at 12:58pm MST
ID 21: Winter Storm Warning.
Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until tomorrow at about 9:00PM MST.

Web Comment: Winter Storm Warning issued January 18 at 1:23PM MST until January 19 at 9:00PM MST by NWS

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

Full NWS alert
Last updated today at 1:24pm 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 12:51pm MST
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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. The road is wet. Cloudy skies. Be prepared for light snow. Between Lucky Peak Dam Road (2 miles north of the Boise area) and Garden Valley Road (31 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for 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 snow on the roadway. Look out for icy patches. Be prepared for snow. 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. Be prepared for light snow. Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until tomorrow at about 9:00PM MST. Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until tomorrow at about 9:00PM MST. Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until tomorrow at about 9:00PM MST.
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