Folks do not know how to check ones self. But it does suck to be at 22 degrees at 10 am with a mid level deck of clouds outside and not be getting ready for some decent snow. LOL
More the better. However, general Q public (which includes me) lack the knowledge base to decode the model runs.
Comet MET ED has Applied NWP Course which is a great start to understand more about how this happens.