D&D Random Encounters for 5E - Arctic
Encounters might be a meeting with a patrol of guards at an old shrine or a familiar looking for aid. It might be an ambush in the wilderness, a stand-off in the city or a monster in the Underdark.
Encounters in arctic terrain occur in icy tundra, tall glaciers and snowy peaks. They might occur outside an igloo, on an iced over lake or in a winter blizzard