I saw a report a week or so ago on ABC News about weather insurance.

Sometimes it's referred to as vacation insurance or travel insurance.

Several online companies are offering what they call "vacation insurance," deals in which they will reimburse any parts of a vacation that are ruined.  "We will cover them if their vacation is rained out," Jeff Boyd, CEO of Priceline.com, told Good Morning America.  -- ABC News

These days, more and more companies and services are providing weather insurance to protect you from things like rain delays at sporting events and concerts, as well. And companies are even offering weather insurance for those times when a complete change of plans are required (due to the weather) at your own outdoor events, including weddings.

Here's more about weather insurance...