glad you decided to join us.
Good luck with the research and your plans.
I have no experience with Wyandottes, but they are a lovely breed and reported to be very cold hardy - a good choice for your area.
And, I'm in Georgia, so no help with planning a coop/run for your winters
(which I do not envy
If you haven't already explored our site, the best places to visit first are the Learning Center and Coops/Runs forums.
You can search for folks near you under the "Where am I, Where are you" forums.
IMO spring is the best time to start a new flock. Get your plans prepared so you will be ready for them next Spring.
Feel free to ask questions, you'll find the folks here friendly and helpful.