Met Eireann says icy stretches, sleet and snow will remain throughout the day.
A Status Yellow snow/ice warning has been extended for the entire country until 7pm.
The forecaster has also issued a Status Yellow low temperature warning, which will take effect from 7pm and run until 10 tomorrow morning.
Two places noted to be particularly icy in Clare are Corkscrew Hill and Marian Avenue in Ennis.
AA Roadwatch Deputy Editor, Lauren Beehan, says road conditions are challenging across the country this afternoon.