I believe that there are still a couple of people still using Elve HA software so I'll just throw this out there.
I finally got annoyed enough with the WU driver not working anymore and did something about it. I created a new driver that makes use of DarkSky.net instead. This is mostly a drop in replacement for the the WU driver, at least on my screens.
And the source (needs to be cleaned up, but works):