The PGA Tour were expected to announce more details later in the afternoon after the storm came through. The course received two inches of rain from the early morning.

Tour meteorologists said as much as six inches could fall by the end of the day and a flash flood warning was in effect for the region.

The tournament decides the top-70 players in the FedEx Cup who advance to the post season, which features a pair of $20 million tournaments and the Tour Championship.

The winner of the FedEx Cup receives $18 million. The top 50 are assured of getting in all the $20 million signature events next year.

Among the possibilities was a Monday finish. The PGA Tour have weather guidelines that aim to complete 72 holes when possible. Another option could be a cut to the the nearest number to 60 players with a 36-hole final on Sunday.

There's a field of 156 golfers - including Australia's Min Woo Lee, Cam Davis and Aaron Baddeley - for the North Carolina tournament.