Trip Planner (From Weather Underground)
This will come in very handy when deciding what endurance rides to attend. Weather isn't the biggest factor, but let's face it, endurance riders watch the weather channel more than Martin Crane on the popular sitcom Frasier.
For example, here is a sample of the data returned when looking at the weather for zip code 38476, which happens to be the zip code for the Trace Tribute Endurance ride.
While it can't predict the weather, it does give you the percentage chance of the weather you might get.
I think I will be using this a lot!