"It's sometimes said that once you are justified God can never be angry with you again. This is true if by "anger" you mean "condemnation." But as any parent can testify, deep love for one's children does not eradicate righteous anger for their disobedience. Our anger, actually, can be for their good. The same is true of God and his anger toward us as his justified, adopted children."
Read the whole thing here.