If the Kentucky Derby 151 forecast calls for rain at Churchill Downs, think about betting these horses in the field with ...

We're tracking the weather forecast this week ahead of the Kentucky Derby on Saturday. Here's what we know today.

On a crisp, clear morning, a chestnut thoroughbred thundered down the dirt strip at Churchill Downs , his exercise rider leaning forward above the saddle. Other horse-and-rider pairs followed. Dr.