2/12/2016
Idaho 21 closed between Lowman and Stanley
BOISE--Idaho 21 is closed between Grandjean junction and Banner Summit due to avalanche potential.
The road will remain closed until further notice. Please check 5-1-1 for the latest road conditions.
Motorists that travel on Idaho 21 from the Treasure Valley to the Stanley-area are encouraged to seek an alternate route on Idaho 75 through the Wood River Valley.