Houma is no stranger to rain, though the showers Ruby narrates to the reader aren't the result of a hurricane like Gustav.
Grandmere decides that a kings cake is in order. A kings cake is often used to celebrate Mardi Gras or Carnival. The cakes are baked with a small object inside and there is a special task associated with the person who gets the slice of cake with the item in it.
Ruby refers to her favorite Cajun wedding tradition called flocking the bride. This custom calls for each woman to bring a young chicken from their own flocks to the bride. While it might seem like a small gesture, this would be useful for women to earn some money for themselves from selling the eggs.