The fog may have gone but a cold and windy night was expected on Monday wiht a possibility of snow on mountains.
Met Éireann was predicting severe gusts and some showers in some coastal parts of Leinster, but it would remain mostly dry elsewhere.
Temperatures were expected to be between 0 and 3 degrees.
A status orange weather warning was in effect on Monday morning as dense fog made driving conditions difficult before it cleared in the afternoon.
A status yellow wind warning came into effect at noon with very strong north to northeast winds forecast to continue until Tuesday morning.
Winds are expected to reach speeds of 55-65 km/h in coastal regions with gusts of between 90 and 110 km/h expected.
Tuesday was likely to be cold and blustery with rain in the southeast during the morning. Some sunny spell were predicted for the afternoon.