Temperatures are set to climb over the coming days across the Shannonside region.
Counties Longford, Leitrim and Roscommon have been included in a yellow temperature for the country, coming into effect tomorrow from noon and remaining in place until 9am on Friday.
The National Directorate of Fire and Emergency Management is advising the public to take appropriate precautions.
Cathal Nolan, from Ireland's Weather Channel says temperatures will rise as the week goes on: