Met Eireann has issued a status orange rainfall warning for 12 counties.
Intense rainfall associated with Storm Francis is expected at times Monday night and Tuesday.
It will lead to accumulations of 40 to 60mm of rain in places.
Status Orange Rainfall warning has been issued for Connacht, Cavan, Monaghan, Donegal, Wexford, Cork, Kerry and Waterford-
Valid: 21:00 Monday 24/08/2020 to 17:00 Tuesday 25/08/2020
Status Yellow Rainfall and Wind warnings have also been issued https://t.co/ozrQHtoOkt pic.twitter.com/4fXLMVZjzB
— Met Éireann (@MetEireann) August 24, 2020
The Status Orange Rainfall warning will affect all of Connacht as well as the counties of Cavan, Monaghan, Donegal, Wexford, Cork, Kerry and Waterford.
The alert will come into place at 9 o'clock tonight.
It will last until 5pm tomorrow.
Meanwhile, a status yellow rainfall warning for the rest of the country will come into force at 9pm tonight.
A wind warning of the same level will also become valid for Munster, Dublin, Wexford and Wicklow at 6am tomorrow and last until 7pm.