I am not laughing because they might be too wet, I am laughing because I can see the "Fluffy Butt" feathers! Mine have never stayed out long enough to get get their "Fluffy Butt" feathers soaked. Even in a hurricane! They run for cover.
That is a good visual indicator. LOL
YIKES! No wonder you are worried. I live in Florida therefore, when mine are out in the rain getting soaked, they are cooling off. My only other thought is to keep them in a covered run so you can better regulate them. My biggest fear is they get soaked and can't dry out before dark and get...