There is an app on the playstore I really like called Weather Live by Apalon. It has a widget and live weather wallpaper. I don't care for the widget but really like the wallpaper. The trouble is it uses 90% of RTCPU and 58% of app battery drain single handed. It only downloads weather once an hour so I don't get how it is using so much processor (user at 70% cpu only 25%,idle) and 90% of that is this app. I wondered if anybody else uses it and if it is such a hog on your phone? It's free so you could test it. I tried emailing the developer but the answer was noncommittal.