Though I don't worry about north Texas "cold" winter temps, I sadly had 2 broody hens die while setting on eggs during one very hot July several years ago. I also confess that I bring broody hens indoors when temps rise above 90. I let them out each morn for their daily broody breaks, then...
@paiger9801 , the information I've seen is that if a bird with severe frostbite is left outside and exposed to more freezing cold, it will cause further frostbite injury. I recently wrote an article about frostbite, which should help answer your questions and give you guidance. As others have...