If I understand correctly, it is more like it simply would not be available at all.
At which point, it could be up to each state or even city to provide their own service, with the ~~communist~~ socialist federal one having been killed. So e.g. New York City would have one for sure, I am not so sure about the rest of the state of New York (possibly those parts nearest to NYC would, whereas those further away... may not?), and buttfuc West Virginia... will simply do without. Trump has even let slip these kind of thoughts as he talks about them, e.g. disparaging how schools in, I wanna say Iowa (though it could have been Idaho or sth), won't do so well moving forward...
Also, the efficiency is DRASTICALLY reduced, if each city only has data from its own local area to draw upon. The whole reason this stuff works in the first place is that e.g. as winds move over lets say Kansas, then Missouri, etc. but don't cause a storm yet, but by the time they reach Virginia we know from past experience that there is a very high chance that it will, it is that sharing of that data that makes it all happen.
The thing is though, that is what "they" want (the more miserable someone is, the more easily controlled they become). And if you want anything differently... get out and vote! Even then, if they decide to push the issue at the point of a bunch of guns, it could get nasty.
The inverted Turing test, it would seem.