Heavy snowfall has prompted school bus cancellations across Sarnia-Lambton.
All school buses in all zones, 1 through 8, are cancelled Thursday.
Schools are open.
A full list of cancellations and closures is posted here.
A large-scale weather system from Texas dumped about 20 centimetres of snow Wednesday night across the region, resulting in messy driving conditions.
The City of Sarnia Wednesday declared a significant weather event.
Sarnia Transit users are being advised of possible delays or detours because of the weather.