DOT spokesperson Shannon McCarthy said the weather this week -- alternately freezing and thawing -- was likely the culprit.

Authorities warned that drivers should use caution in the area due to the potential for additional rockslides.

Highway 97 between Summerland and Peachland in British Columbia, Canada is closed in both directions due to a rockslide, with no timeline for reopening and the only approved detour being via highways 97C, 5A, 3, and 33.

A landslide caused by heavy rains has shut down the South Klondike Highway, affecting travelers and requiring officials to coordinate an alternative route for stranded cruise passengers.