If you'd like to see this implemented in a practical way, check out Weather Strip.
It's a master class in information density while also being intuitive and readable.
It's a master class in information density while also being intuitive and readable.
https://forecast.weather.gov/MapClick.php?lat=37.39&lon=-122...
(Seriously, it's not a great place. The surroundings are great, but the place itself is strip mall central)