Some schools were forced to close due to dangerous conditions.
Met Eireann is warning of hazardous travelling conditions as it extends its snow-ice warning for 14 counties.
Laois, Offaly, Carlow, Dublin, Kildare, Kilkenny, Wexford, Wicklow, and all of Munster, are under the alert until six o'clock this evening.
There's also a rain warning in place for Dublin, Louth, Meath and Wicklow, while there's a nationwide ice warning until nine o'clock in the morning. Some schools have been forced to close, and motorists in badly affected areas are being urged not to travel.
Alan Hally from Met Eireann says inland counties have been hit hardest:
An Post says the snow is causing "major difficulties" for deliveries today.
It says it'll make every effort to get letters and parcels to customers as quickly as possible.
Westmeath, Cavan, Leitrim, Monaghan, as well as Glenageary and Blackrock in Dublin, are the areas where it's experiencing the biggest issues.
Missing Athy Teen Found Safe And Well
Westmeath Teen Found Safe
People From Around The World To Show Off Craft Skills In Offaly
Vandalism At Westmeath GAA Club
1,000km Challenge To Support People With Lyme Disease Taking Place In Laois
Hopes For New Solar Bin In Laois Town This Summer
10% Rise In Number Of Asylum Seekers In The Midlands
Midlands Homelessness Figures See Marginal Increase
A Walk And A Treat In Aid Of Animal Charity In Laois This Weekend
Cameras Offer Protection To Taxi Drivers And Passengers - Westmeath Taxi Driver
Massive Fundraising Push For Westmeath Cyclist Injured In Accident
Westmeath School Approved For Multi-Million Euro Development
Kilsaran Cleared To Buy Offaly Sand And Gravel Pit
Influx Of New High-Powered EV Chargers Coming To The Midlands
Potential Public Health Risk From Unmonitored Private Water Supplies - EPA
Laois Celebrity Chef To Set Up Organic Farm School
World Record Attempt To Be Made At Electric Picnic
Midlands One Of Four Regions To See Rise In House Completions
Westmeath Bar Re-Opens Today Following Fire