The provinces of Granada, Almeria and Jaén are on high alert for snow and strong winds and the coastal areas of Málaga province are on alert for heavy winds, up to 70 kph in some cases.
The Sierra de Cazorla in Jaén could see up to five centimetres of snow, the sierras in Baza and Guadix could have four centimetres of white stuff.
In Almeria, snow chains are obligatory on four roads in the area around Tabernas and Almanzora.