There’s no rules across instances, votes are whatever you want them to be. Either yes this is good/right/ilikeit/peopleshouldseeit or no it’s wrong/spam/misinformation/wrongcomm/idontlikeit/idontlikeyou/ithurtmyfeelings.
Down votes could easily be for the source, Marques has done some questionable stuff, or the format since it’s just a summary, or the community someone doesn’t feel like it belongs in this community.
I just keep a shortcut to the NOAA 2day hourly forecast for my location on the home screen. If I need to see the radar it’s a few clicks away.
But I’ve got an air quality and temperature sensor on my back porch, and am working on a rain detector as well, so the preference is towards local conditions