From 9pm, a status yellow snow ice warning kicks in for Wicklow.
The cold snap is officially taking hold in Wicklow.
From 9pm, a status yellow snow ice warning kicks in for Wicklow, along with 13 other counties. Snowfall is expected.
A Status Orange alert has also been issued for five counties in Munster.
The whole country is under a status yellow low temperature ice warning from 8pm tonight.
Temperatures dropped to around -3C in places last night, with more of the same expected tonight.