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ID 21
ID 21 in both directions: Dry pavement, clear skies, large animals on roadway, rock fall danger.
Between Lucky Peak Dam Road (2 miles north of the Boise area) and King Road (Idaho City). Expect dry pavements. Weather conditions clear. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 12:42pm MST
ID 21 in both directions: Icy patches, packed snow patches, clear skies, large animals on roadway, rock fall danger.
Between King Road and Garden Valley Road (31 miles north of the Idaho City area). Look out for icy patches. Look out for packed snow patches on the roadway. Weather conditions clear. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 12:43pm MST
ID 21 in both directions: Icy patches, packed snow patches, clear skies, large animals on 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. Weather conditions clear. Look out for large animals on the roadway.
Last updated today at 12:43pm MST
ID 21 in both directions: Ice, packed snow, clear 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. Weather conditions clear.
Last updated today at 12:43pm 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 Thursday, at about 9:00PM MST.

Web Comment: Winter Storm Warning issued January 17 at 1:53PM MST until January 19 at 9:00PM MST by NWS

...WINTER STORM WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW, WHICH IS IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

Full NWS alert
Last updated today at 4:09pm MST
ID 21 in both directions: Packed snow, clear skies.
Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for packed snow on the roadway. Weather conditions clear.
Last updated today at 5:51am MST
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Reports on ID 21
Map of Reports on ID 21 Between Lucky Peak Dam Road (2 miles north of the Boise area) and King Road (Idaho City). Expect dry pavements. Weather conditions clear. Look out for large animals on the roadway. There is danger of a rock fall. Between King Road and Garden Valley Road (31 miles north of the Idaho City area). Look out for icy patches. Look out for packed snow patches on the roadway. Weather conditions clear. Look out for large animals on the roadway. There is danger of a rock fall. 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. Weather conditions clear. Look out for large animals on the roadway. 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. Weather conditions clear. Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for packed snow on the roadway. Weather conditions clear. Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until Thursday, 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 Thursday, 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 Thursday, at about 9:00PM MST.
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Weather warning legend Weather Warning