What is wind chill?To play this video you need to enable JavaScript in your browser.This video can not be playedWhat is wind chill?CloseYou may have heard the term 'wind chill' mentioned in our forecasts, but what does it mean? BBC Weather's Tomasz Schafernaker explains.SectionWeatherPublished25 January 2017Shareclose panelShare pageCopy linkAbout sharingRead description