Anecdotally, I agree with the parent comment.

Lived in the same general area (just outside a major metropolitan area) where I use DarkSky and now Apple Weather app.

DarkSky has better data vis and more reliable prediction. Apple Weather consistently over predicts snow fall amounts and many times I’ve had to use the Feedback to correct it on current conditions (e.g. raining when it says no rain or vice versa). I believe DarkSky had the same feedback feature but I never needed it this much.

Most of the time AW is fine but it’s less good to the point I’ve considered alternatives.