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Banner Creek Summit
24 miles south of the Stanley area
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 tomorrow at about 5:00AM MST.

Comment: Winter Storm Warning issued December 21 at 2:12PM MST until December 22 at 5:00AM MST by NWS

.SNOW LEVEL OF 6500 TO 7000 FEET THIS AFTERNOON WILL DROP OVERNIGHT TO 4500 TO 5000 FEET. MANY MOUNTAIN LOCATIONS HAVE RECEIVED TOTAL SNOWFALL AMOUNTS OF 8 TO 15 INCHES. SNOW WILL GRADUALLY TAPER OFF WITH AN ADDITIONAL 3 TO 6 INCHES POSSIBLE BEFORE THE STORM ENDS MONDAY.

Full NWS alert
Last updated today at 2:14pm MST
ID 21 in both directions: Road closed.
Between Grandjean Road and The Custer - Boise County Line (24 to 35 miles south of the Stanley area). The road is closed. There is danger of an avalanche.

Comment: SH 21 closed from milepost 93.75 to milepost 105.5. Highway remains closed until further notice.
Last updated today at 6:26am MST
ID 21 in both directions: Packed snow.
Between Banner Creek Summit and The Custer - Boise County Line (22 to 24 miles south of the Stanley area). Look out for packed snow on the roadway. Look out for icy patches. Look out for a mix of rain and snow. Be ready for patchy fog. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated yesterday at 8:59pm MST
ID 21: Banner Creek Summit
Map of Banner Creek Summit
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Maximum Elevation 7037 feet
Maximum Grade 5.0%
Google Static Map Image
Mountain Pass Mountain Pass