Carlow Live readers have sent in pictures of snow falling around the Dolmen County on Monday.
A Status Yellow snow and ice weather warning for Ireland says there will be widespread wintry showers on Monday and Tuesday with some snowfall accumulations, especially in the west and north.
Some disruption to travel is possible, particularly over higher routes.
The warning is valid from the early hours of Monday, February 10 to just before midnight on Tuesday. The warning was issued at noon on Sunday.