Yes!
If your invitation says “and Guest,” then yes, if not, we would prefer if it was just you.
Yes, check out the accommodations page for more information.
Formal (think floor-length dresses or cocktail dresses, pantsuits, suits, etc - whatever makes you feel great!)
Kansas City typically has a high of 42° with a low of 25° in December so be sure to bring your big coat! But don't worry, the ceremony and reception will be indoors.