Thomas is 12-under for the event and even par through five holes in Round 3 while McIlroy and Koepka are 1-over and 2-over on the day, respectively.
Dangerous weather halted play at 4:17 p.m. ET. Players and caddies were removed from the course. Unfortunately, six fans were hospitalized with non-life-threatening injuries from two lightning strikes on the grounds at East Lake Golf Club.
Here's how the leaderboard stands midway through Round 3:
|Place||Player||To Par||Through||R3 Score|
Round 3 will resume on Sunday at 8:00 a.m. ET followed by the final round.