Forgive me for asking probably an age old question, here's the details: We're new owners (2.5 months) of 4 grown hens (2 Leghorns, 1 ISA Brown, 1 Easter Egger) we got from Craigslist (previous owner raised them from chicks April 2017). We bought their coop (3.5ftx3.5ftx3ish ft) too and I built the run (6ftWx12ftLx8ftH). They don't get to go out of the run at all (busy street, neighbor has a dog, oodles of raccoons and hawks and etc). Since we got the ladies they've slept outside in the enclosed run every night but the first one in all types of weather - their previous owners said they slept in the coop exclusively (they free ranged a backyard then got shoo'd into the coop at night - they had a smaller attached run, 3ftWx9ftLx4ftH). I hang their food and water outside and plan to do so in the winter (I'll do a heated dog bowl for the water). They lay like champs in the nest boxes in the coop but that's the end of their use of it. They LOVE the run and the roosts we put up and have been out in what I'd say was horrid weather so far (rain/wind/colder than 30F). There's no light or heat in the coop (yet). I've got half the run roof covered with a tarp for rain and have a better and bigger tarp I plan to put on for winter. Short side (6ft) of the run with the roosts faces East and the street with a street light, coop is on the West side. Picture above of the side of the run (12ft dimension) is looking North. It's calm and 37F right now and they're happily snuggled up outside.. but it'll be yucky sooner than later. So the question/worry is, will they be smart enough to go in the coop when the snow hits the fan? Did their little bird brains forget they have shelter from the elements? Should to shoo them in and re-teach them, maybe get a small LED light for inside the coop? Or am I overthinking this like everything else? Any and all constructive advice and criticism is greatly appreciated!