Latest: Drivers warned as high temperatures see roads melting in the West

Latest: There are reports of tar melting on roads in the west of the country with temperatures reaching as high as 30C degrees in some parts.

Update 6.45pm: There are reports of tar melting on roads in the west of the country with temperatures reaching as high as 30C degrees in some parts.

Mayo County Council has said crews are spreading grit on a number of routes that have already been affected by the high temperatures.