Windy is a Czech company providing interactive weather forecasting services worldwide. The portal was founded by Ivo Lukačovič in November 2014. 
Currently, weather forecasts are based on data from the GFS models, ECMWF, and NEMS model from the Swiss company Meteoblue. Initially, the portal focused on wind animation, currently there are other basic meteorological parameters such as temperature, pressure, relative humidity, cloud base and additional panels with more advanced data. The wind animation is based on the open sources project of Cameron Beccario earth.