Local forecasts from yr.no predict challenging driving conditions in the highlands of Southern Norway on Sunday evening and into Monday morning, as strong winds and significant snowfall are expected to create local snowdrifts. Travelers planning to cross the mountains should account for extra travel time, especially as conditions can change rapidly. While most mountain passes were reported open by Sunday afternoon, updates will be crucial as the evening progresses and conditions may worsen. Travelers are advised to stay informed about the latest weather updates and road conditions to ensure safety when navigating the highland areas.