Hello @verminal, unfortunately only ECMWF is available for the widget. But in the future there will be a option to switch models. Hope soon.
Hello @awgiles3, we know about this and we're working on it.
Hope this will help you -> https://community.windy.com/topic/7797/windy-tutorial-weather-alerts
we use Open Street Maps, read more here ->
Are you using the mobile application or web? In the mobile application are currently some issues, we know about that, sorry for any difficulties.
If you add favourites in the web browser, is should always add to favourites list.
We will try to fix it soon.