9:55 p.m. update:
Highway 17 north is now closed in all directions at the MTO weight scales in the Heyden area.
Original information:
Highway 17 north is closed to all traffic between Sault Ste. Marie and Wawa.
The closure is at Blueberry Hill just south of Goulais River.
Environment Canada has issued at snow squall watch for the Sault and surrounding area. Heavy snowfall is expected to result in accumulations of 15 to 30 cm by Wednesday.
SooToday will post additional information if it becomes available.