[Update 5:34 p.m.] Gates are re-opening now with music set to begin at 6 p.m.
[Update 5:09 p.m.] Organizers expect to resume the festival in about 45 minutes. The plan is to pick up the schedule where it left off.]
At 4:30 p.m. Sunday, Music Midtown organizers made the call to temporarily evacuate Piedmont Park due to weather.
Live Nation president Peter Conlon said the lightning that is expected to pass through the area this hour prompted the decision.
Organizers plan to re-launch the festival once any dangerous weather has passed.
Follow me on Twitter @MRuggieriAJC for updates.