The tarps will stay on the field at Citizen's Bank Park. Bad weather has rained out Saturday night's game against the Marlins.
A heavy storm system is dousing the mid-Atlantic region, with a tornado watch issued in the D.C. region.
A make-up game will be played on June 15, as part of a split doubleheader, the Phillies organization says. Play will begin at 1:15 p.m.
Tickets for Saturday's game will be honored on the later date.
