"Not bad at all" vs. "Not at all bad"
I would use 'not at all bad' to contradict a statement that may have been 'the weather is bad', however I would use 'not bad at all' when making an initial statement.
I would use 'not at all bad' to contradict a statement that may have been 'the weather is bad', however I would use 'not bad at all' when making an initial statement.