Tuesday's Irish Premiership matches between Glentoran and Dungannon Swifts and Ballinamallard United and Carrick Rangers have been postponed.
The playing surfaces at the Oval and Ferney Park were deemed unplayable following pitch inspections after heavy rain caused them to be waterlogged.
The league game involving Glenavon and Linfield at Mourneview Park is on after the pitch was deemed playable at 15:00.
Ballymena United v Cliftonville is also on after an afternoon inspection.
The Championship games at Knockbreda, Lurgan Celtic and H&W Welders have all been postponed.
Knockbreda were scheduled to face PSNI, Lurgan Celtic were hosting Limavady United and H&W Welders were due to play Institute.
The match between Lisburn Distillery and Moyola Park has been given the go-ahead following a pitch inspection.