It seems as though we may be getting some nasty weather tomorrow, with high winds and heavy rains - better batten down the hatches! My biggest concern with high wind conditions is with the trees in the yard. I have several mature pines on the property, some of which could easily come down on the coop or on my house. Ugh.
I have the same problem...building the coop among trees has a lot of advantages but the storms are always scary. The girls won't be happy being locked up all day today...they hide under the coop when it's raining but I would rather keep them in judging how bad they are expecting the storms to be.
I've had skinny chickens like leghorns and d'uccles in plywood coops with the windows wide open - I only close them in a 'storm' to avoid snow getting in, but there are vents everywhere in the coops as well. 