April showers might bring May flowers, but the first Saturday in May could have plenty of both at Churchill Downs. Rain is in the forecast for the 151st Kentucky Derby, adding a new challenge for the 20 horses and their jockeys in the iconic race.

Rain is in the forecast for the 151st Kentucky Derby and could turn the Churchill Downs dirt strip into something resembling peanut butter.

There could be a break in the rain in time for the Kentucky Oaks and Kentucky Derby, as the rain probability drops to 40% from 5 p.m. to 8 p.m., but even if it's not actively raining, the track will undoubtedly still be quite wet by the Derby's post time at 6:57 p.m.