Both stores will be open at 6am on Wednesday, July 11 and close at 9pm.
On July 12, the stores will open at 9am and close at 7pm and on July 13 the opening hours are 8am to 9pm.
Hours will revert to normal as of Saturday, July 14.
The Tesco superstore in Lurgan normally opens from 6am to midnight, Monday to Saturday and from 1pm to 6pm on Sundays. The Craigavon Extra store is open continuously from 6am on Monday mornings to midnight on Saturday nights. The Sunday opening hours are 1pm to 6pm.