Both a thunderstorm and tornado warning has been issued for Donegal today.
Met Eireann issued a status yellow thunderstorm warning for counties Donegal, Leitrim and Monaghan for today and this evening.
The warning is valid from noon today until 9pm tonight.
The warning says there is a risk of heavy downpours bringing a risk of localised flooding.
Meanwhile, the Tornado and Storm Research Organisation (TORRO) has warned many parts of Northern Ireland as well as Donegal could be affected by tornadoes.
It warns of isolated brief tornadoes, heavy rain, hail up to 10 to 15mm in diameter and cloud-to-ground (CG) lightning.