After rain and thunderstorms overnight, more of the same is forecast for Monday as a result of a low pressure system.
A met office yellow alert for thunderstorms and heavy rain remains in force until 11 am.
Today will be partly cloudy and at intervals cloudy with rain and isolated thunderstorms. Temperatures will be 20 C in the interior and on the south, east and north coasts, 19 C on the west coasts and 10 C in the mountains.
Tonight will be cloudy with rain and isolated thunderstorms, beginning in the west and north and later affecting other areas. In places, rain will be heavy and thunderstorms may be accompanied by hail. Snow or sleet is possible in the higher peaks early on Tuesday morning.
Tuesday will be partly cloudy and cloudy at intervals with isolated rain and thunderstorms which may be accompanied by hail. Sleet or snow is possible in the higher peaks.
On Wednesday and Thursday, there will be periods of fine weather and of increased cloud cover which could lead to isolated showers. There may be sleet or snow in the higher peaks and other mountain areas.
Temperatures will drop slightly on Tuesday to average for the time of year and edge down further on Wednesday and Thursday to below average.