The advisory warns of hazardous conditions until 10am on Wednesday morning.
A new status yellow fog warning for Laois, Offaly and Westmeath, has been issued.
It’ll kick in from 10 o’clock tonight, and remain in place until 10 tomorrow morning.
Beyond the midlands, counties Carlow, Kildare, Kilkenny, Longford, Louth, Meath, Cavan, Monaghan, Leitrim, Roscommon, Tipperary & Waterford all fall under the same warning.
Meanwhile, a named storm is tracking towards Ireland.
Met Éireann forecaster Andrew Doran-Sherlock has the details:
Westmeath Waste Facility Remains Temporarily Closed
Laois Man To Be Laid To Rest Friday
Laois Community Safety Partnership To Start January
Midlands Community Groups To Get Communication Grants
Offaly Community Shop Highlights Services
Offaly TD Urges Action On Student Accomodation
Laois County Council Urge Continued STEM EU Just Transition Funding
EU Set To Unveil Housing Package As Fiscal Rules Face Relaxation
Midlands Driving Instructor Calls For Mandatory Alcolock System
Westmeath Family Into Final Of Ireland's Fittest Family
Motion Calls For HSE Investigation Into Wind Turbine Noise Passed In Offaly
Irish Farmers Head To Brussels On Tractors To Protest EU Policies
Man Arrested Over Alleged Assault At Midlands Prison
Emergency Services Attend Westmeath Car Fire
Unanimous Vote Supports €20m Midlands Hospice Project
Drink Driving Rider Arrested After Illegal E-Scooter Seized In Offaly
Drug-Driving Surge Sparks Calls For Christmas Crackdown
Revenue Seize Over €243k In Contraband In The Midlands
Midlands Hospice Planning Application Passed By Offaly County Council