[derefr]

Neither a feed nor a map is good UX here.

They already described their app's use-case perfectly: it's "weather" for ski conditions.

So what does the Weather app's UX look like?

On first launch, it lets you add locations you care about by searching for them (maybe a map is involved temporarily.)

And from then on, whenever you open the app, you get a dashboard of weather conditions in those places you care about.

Sounds like exactly what they should be doing!