Oxford OPP has opened the westbound lanes of the 401 Sweaburg Road and Foldens Line following a 30 car pile up.
Luckily, only minor injuries were reported.
As of Sunday morning, Environment Canada has ended the snow squall warnings for London-Middlesex, but warnings remain in effect for Sarnia-Lambton.
A blowing snow advisory has also been issued for Huron-Perth.
Visibility and road conditions can be dangerous at times.
OPP is requesting drivers to take extra caution and drive according to road and weather conditions.
OPP is also advising drivers to check ahead for road advisory information and to monitor local media for the latest updates and alternate routes.