As predicted from the National Weather Service in Pendleton, the winter storm warning proved to be real for some travelers over the weekend. Heavy snowfall took place in the higher elevations and causing travel difficulties for drivers on I-84. According to the National Weather Service, a winter storm advisory continues through Tuesday. The Oregon Department of Transportation issued chains required on parts of the roadway Saturday and Sunday, bringing the traffic to a standstill in some areas, with a couple of road closures. ODOT reminds drivers always be prepared this time of year, where ever your travels take you.