With the Flying Pig Marathon kicking off, there's a chance runners may have to race wet this morning because rain is forecast for Sunday, May 4. When the marathon and half-marathon start at 6:30 a.m., there is a 38% chance of rain in Cincinnati, according to the National Weather Service.

A rainy weather forecast for the 151st Kentucky Derby at Churchill Downs on Saturday could lead to sloppy or muddy track conditions.