Forecast.io utilizes an incredible API pulling in data from:
- Dark Sky’s own hyperlocal precipitation forecasting
systemhttp://journal.darkskyapp.com/2011/how-dark-sky-works/
(id darksky), backed by radar data from the following systems:
- The USA NOAA’s NEXRAD system (USA).
- The UK Met Office’s NIMROD system (UK, Ireland).
- (More coming soon.)
- ....and a lot more.