The UK Met Office has issued a Status Yellow thunderstorm warning for Northern Ireland tomorrow (Thursday, August 14).

While some place will stay dry, heavy showers and thunderstorms could cause disruption across Antrim, Armagh, Down, Fermanagh, Tyrone and Derry.

The warning will come into force from midnight and remain in place until 10:00p.m on Thursday.

The UK Met Office said that where heavy downpours occur, 20-40 mm of rain could fall in less than an hour, bringing the risk of some surface water flooding.

There may also be a risk of hail and lightning.

Meanwhile, a Status Yellow thunderstorm warning for counties Clare, Kerry, Limerick remains in place.

Met Éireann said the heavy rain may lead to localised flooding, lightning damage and difficult travelling condtions.

The weather warning will remain valid until 9:00p.m tonight (Wednesday, August 13).

Met Éireann said that today will be warm and humid with sunny spells. Showers will extend from the southwest during the afternoon and evening.

Highest daytime temperatures of 21° to 27°C in light to moderate southerly or variable winds.

The showers will continue to extend over the country tonight, with some heavy falls in places. It will be a mild night with temperatures staying between 14° and 17°, with light southwesterly or variable winds.

Tomorrow will be cloudy to start with scattered showers. It will brighten up in the afternoon with some sunny spells. Highest temperatures of 19° to 25° in light to moderate westerlywinds.

Met Éireann said that the coming week will stay drier than average for most of the country, though showers will occur at times.

It is forecast to stay warmer than average over the next seven days with mean air temperatures 2° or 3° above normal for this time of year. Mean soil temperatures will also continue well above normal.

Drying conditions will generally be good over the coming days, though occasional showers will have an impact in some areas.

There will be generally plenty of spraying opportunities through the coming week, apart from where showers occur.

Dry conditions will result in an increase in soil moisture deficits over the coming week, with values generally expected to increase to 15 to 70mm.

Met Éireann warned that growth will become increasingly restricted, particularly in the south and east.