The glass shards that Danny must walk across are much larger and thicker than the bottle glass that is originally broken moments before.
At about 18 mins the moon's at a quarter phase, but at 21 mins, when just hours have gone by in the film, it's gibbous.
A bad guy chainsaws a narrow oblong hole in a door. Seconds later a good guy opens the door, now with a square hole.
Actress Katharine Isabelle's name is spelled wrong in the credits as "Katherine Isabelle."
Whiskey (in this case what appears to be Jack Daniels) is not nearly as flammable as it appears when Bob throws it as a Molotov cocktail, even if it were over 100 proof.
The little dust blowing around which the boy refers to his grandfather as a storm, is laughable.
The biker with the chainsaw who first enters the church reacts to a blow and begins to fall quite early - before he is actually hit by Bob.
There is NO place in south Texas with all of those trees lining the roads and certainly not within a hundred miles or so of Del Rio. The only places in Texas with this kind of terrain is north central to north eastern Texas. The rest has varying degrees of desert, plains, mountains, and trees but nothing like where this movie takes place.