The trio were all injured in Villa's 2-0 win at Hull City on Wednesday.
Bulgaria international midfielder Petrov has been under treatment for a groin problem that forced him off in the closing stages against Hull.
Captain: Petrov (l) is set for an immediate return
Dunne suffered a gashed head in a collision with Hull striker Jan Vennegoor of Hesselink while Warnock picked up an ankle problem.
But the trio are expected to be fit with manager Martin O'Neill likely to retain the side that started at Hull.
Team (from): Friedel, Guzan, Cuellar, L Young, Beye, Dunne, Collins, Warnock, Downing, Reo-Coker, Milner, Petrov, Sidwell, A Young, Carew, Agbonlahor, Heskey, Delfouneso, Davies, Albrighton, Clark.
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