North Montana Avenue by Helena High will be closed on October 21-22 while crews work on replacing water service.
The section of road from will be closed from 8:00 p.m. to 6:00 a.m.
Detours will be in place, but people are advised to plan ahead and take alternate routes if possible.
In March the pipe that provides water for the high school ruptured due to cold weather, causing the school to close for two days.
