Met Eireann forecasts dense fog in places.
Met Eireann's issued a Status Yellow weather warning for Leinster, including Kildare, and Munster.
It is forecasting dense fog in both provinces, with poor visibility.
The warning comes into place at 1am, and expires at 11am on Wednesday morning.

Friday's Kfm Obituary Announcements
New Cultural Programme Set For Castletown House
Celbridge Woman Who Lost Sister To CF Calls For People To Support Today's Fundraiser
Protestors, Including Kildare's John Dallon, Refused Entry From Government And Agriculture Bodies Meeting
Defence Forces Travelling To The Curragh Today For Training
Newbridge Silverware’s Silver-plated Cutlery Factory Officially Closes
Martin Heydon Will Meet Farming And Haulier Groups This Morning Amid Fuel Protests
Missing 17-Year-Old Joshua Treacy From Maynooth Has Been Located