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ID 21
ID 21 in both directions: Wet pavement, rain, large animals on roadway.
Between I-84 and Robie Creek Road (8 miles north of the Boise area). The road is wet. Expect rain. Look out for large animals on the roadway.
Last updated today at 6:42am MST
ID 21 in both directions: Icy patches, wet pavement, cloudy, light snow, large animals on roadway, rock fall danger.
Between Highland Valley Summit (8 miles north of the Boise area) and King Road (Idaho City). Look out for icy patches. The road is wet. Cloudy skies. Be prepared for light snow. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 6:45am MST
ID 21 in both directions: Snow on roadway, snow, rock fall danger.
Between King Road and Garden Valley Road (32 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for snow. There is danger of a rock fall.
Last updated today at 6:46am MST
ID 21 in both directions: Packed snow, icy patches, cloudy, light snow, large animals on roadway, rock fall danger.
Between Garden Valley Road (32 miles north of the Idaho City area) and Grandjean Road (35 miles south of the Stanley area). Look out for packed snow on the roadway. Look out for icy patches. Cloudy skies. Be prepared for light snow. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 6:46am MST
ID 21 in both directions: Packed snow, snow, rock fall danger.
Between Grandjean Road and The Custer - Boise County Line (22 to 35 miles south of the Stanley area). Look out for packed snow on the roadway. Be prepared for snow. There is danger of a rock fall.
Last updated today at 6:47am MST
ID 21: Winter Storm Warning.
Between Grandjean Road (24 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST.

Comment: Winter Storm Warning issued December 20 at 2:58AM MST until December 22 at 5:00AM MST by NWS

.ABUNDANT PACIFIC MOISTURE WILL MOVE INTO SOUTHEAST IDAHO TODAY AND HEAVY SNOW IS EXPECTED AT HIGH ELEVATIONS IN THE CENTRAL MOUNTAINS AND EASTERN HIGHLANDS. HIGHEST SNOW AMOUNTS ARE EXPECTED TO BE ABOVE 7000 FEET AS THIS WILL BE A WARM SYSTEM. 2 TO 6 INCHES ARE EXPECTED AT 5 TO 6 THOUSAND FEET WITH OVER 6 INCHES POSSIBLE ABOVE 6 THOUSAND FEET AND OVER A FOOT MAY FALL ABOVE 7000

Full NWS alert
Last updated today at 2:59am MST
ID 21 in both directions: Packed snow patches, light snow.
Between The Custer - Boise County Line (22 miles south of the Stanley area) and ID 75 (Stanley). Look out for packed snow patches on the roadway. Be prepared for light snow.
Last updated today at 6:56am MST
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Reports on ID 21
Map of Reports on ID 21 Between I-84 and Robie Creek Road (8 miles north of the Boise area). The road is wet. Expect rain. Look out for large animals on the roadway. Between Highland Valley Summit (8 miles north of the Boise area) and King Road (Idaho City). Look out for icy patches. The road is wet. Cloudy skies. Be prepared for light snow. Look out for large animals on the roadway. There is danger of a rock fall. Between King Road and Garden Valley Road (32 miles north of the Idaho City area). Look out for snow on the roadway. Be prepared for snow. There is danger of a rock fall. Between Garden Valley Road (32 miles north of the Idaho City area) and Grandjean Road (35 miles south of the Stanley area). Look out for packed snow on the roadway. Look out for icy patches. Cloudy skies. Be prepared for light snow. 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 packed snow on the roadway. Be prepared for snow. 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 packed snow patches on the roadway. Be prepared for light snow. Between Grandjean Road (24 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST.
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