I know this doesn't directly help you in STL, but Tennessee has a pretty incredible volunteer crew who update us on Twitter and also go live on YouTube when things get bad. There may be something similar in your area. We find them to be invaluable for keeping us up to date, more effectively than TV news ever did.

https://twitter.com/nashseverewx

Sample of last night's coverage: https://www.youtube.com/watch?v=dfdgKfoV538