I am in south Louisiana after a week of rain we went from 70 to 50 in 12 hours then to 17 4 hours with wind chill of 7. My two flocks of 8 free range always, they roost on my concrete back porch. I do have a coop there, I do have 6 nesting boxes and 2 heat lamps for the barn cats ..I have a broody with 9 eggs out there.i thought about bringing her in, but she's an oeg bantam and normally my pet, but she wants nothing to do,attacks people, cats,her flock if they get close..so we deep bedded the area around her box have a heat lamp aimed at the edge ( they are chained up and on a breaker plug) the older flock huddled together on the normal roost and was out free ranging by 530 am, an hour later than normal..the young flock was out eating by 430.. they had a well protected area but chose a different place a 6 inch tall space blocked on 3 1/2 sides
I kept plenty of water..I watched them break ice in the ruts to my pasture little weirdos