Well, sure hope it wouldn't be one of the cold nights with below - 30 celsius that you can get here in some parts of Finland during winter.
In that cold, a log cabin's logs start contracting enough for them to make banging and knocking noises. And there's a finnish saying for that: "Pakkanen paukkuu nurkissa." That means - roughly translated - "The cold bangs in the corners." And then there's the expression "Paukkupakkanen", which is derived from the phenomenon I just described. Banging cold. That the logs start banging while they contract becouse of the cold.
That's funny, I actually know what you're talking about since I live in a kinda nordic country as well (albeit on another continent). My parents' house would constantly be making random banging sounds when it gets to around -30 and below at night, which startles me sometimes when I visit. I'm not sure if there's a saying for that here, though...
Ah, yes, I had half forgotten that you lived in Canada. I would actually really like to visit Canada at some point. I think I'd feel quite well at home there, since it's a nordic country AND I somehow like english as a language, and furthermore, I've studied French too, thought, most of the knowledge has sort of leaked out by now.