RedSky Weather Radar 
View animated radar from various US National Weather Service radar sites over Google Maps.
- Up to 10 frames per station
- Static national mosaic
- Change playback rate
- User selectable declutter filter (removes fog/mist)
- Supports nine different NWS radar products
RedSky basic quick start guide
RedSky requires Coarse Location, Internet and Network State permissions.
The initial versions are ad-supported but I am open to requests for an ad-free, paid version.
Contact us: redsky@tinfoilninja.com