Localised storms will first start in the north and north-west of the country, but will gradually spread to other parts in the afternoon and in the evening.

Morning lows are forecast between 15 and 20 degrees centigrade, up to 22 in the western region of Primorsko, and daytime highs between 22 and 26 in the north and between 27 and 31 elsewhere.

Scattered showers will continue into Thursday with the possibility of storms mostly in Primorsko. A northerly to north-easterly wind will start blowing and a weak bora in Primorsko.

The skies will clear up from the west by Thursday evening but it will be much cooler.

Friday is set to be partly sunny with localised showers and a north-easterly blowing.