Parents are being urged to check council websites for school closures as snowfall continues to cause disruption in Wales.
A yellow weather warning for ice remains in place across parts of Wales until 10am.
A number of schools have announced they will close, including schools in Powys and Blaenau Gwent.
Organisers yesterday announced the Newport half marathon was to be cancelled for the second time due to the snow and ice.
Cardiff Airport had a number of delays and cancellations - including Amsterdam, Paris and Dublin.
A number of train services were cancelled or delayed as the adverse weather set in.
Parts of the A470 and A44 also closed due to conditions.