We aren't quite as cold here, mid 20s and getting to teens tonight I think. Was supposed to be snow showers but it's been coming down pretty steady. When I heard it was going to be teens tonight I made the decision to completely empty out the coop and add new shavings as it hadn't been cleaned in a while (was overdue) and didn't want any humidity given it's pretty small. Good thing as some bedding in one nest box near the bottom was kind of wet, I think there's a gap and rain maybe came in. Need to check it. But anyhow, the last few days they have been using the roosts as opposed to all piling in one or two nest boxes but,I added thick shavings to all, so thick in main part and especially thick in nest boxes, so hopefully they stay toasty. Also refilled water and food as water was empty almost and put it undwr the coop so no need to go in the snow. Just basic chores really but paid some extra special attention. Also just went out and gave them some suet I had made last week but hasn't been at all cold enough. Opened back door and offered before putting it down and they LOVED it, started devouring it, but now refuse to come out of the coop to eat it lol prissy things. Hopefully they will eventually get thirsty and come out. May fix up a roof but don't know if it's possible in the weather. Hopefully they will come out and eat it or I might out it inside but they do need water too.