The Operational Land Imager on Landsat 8 satellite captured a rare snow in the Sahara Desert (northern Algerian town of Aïn Séfra.) on January 8, 2018: Dusting of White in the Sahara . The same event was captured by ESA's Copernicus Sentinel-2 satellite over northwest Algeria: http://www.esa.int/spaceinimages/Images/2018/01/Sahara_snow.