Nearly 12 miles of major Idaho highway closed due to avalanche warning

Idaho Transportation Department/Google Maps

An avalanche warning has closed a 12-mile section of Idaho 21.

According to the Idaho Transportation Department’s website, traffic in both directions from Grandjean to Banner Summit will be closed until further notice. The closures are roughly 23-35 miles south of Stanley. The closure covers mileposts 93.7 through 105.5.

The closure will be reassessed at 7 a.m. Friday, according to the ITD website.

Michael Katz: 208-377-6444, @MichaelLKatz