A new yellow weather warning for snow and ice has been issued for Northern Ireland.
The latest warning from the Met Office will be in force from 3pm on Thursday and 10am on Friday, and covers all six counties.
It comes after Northern Ireland saw icy conditions and snow showers early on Thursday, and earlier this week.
The Met Office said the latest warning could see icy patches develop on untreated roads, while journey times could take longer.
Pedestrians have also been warned to be careful on footpaths as injuries could occur from slips and falls on the ice.
Showers are also expected to fall as snow over higher ground.
A spokesperson for the Met Office said: “Showers are expected to become more frequent during the afternoon and evening, feeding south across Northern Ireland and turning to snow above 150m.
“Some places could see 2-5cm of fresh snow, with a further 10cm over mountain tops.
“Icy patches are expected to develop on untreated surfaces during the evening and overnight as temperatures drop below freezing.”
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The Met Office added that in order to keep safe, everyone should plan to leave the house five minutes earlier than normal before going outside.
“Not needing to rush, reduces your risk of accidents, slips, and falls,” it said.
“If you need to make a journey on foot, try to use pavements along main roads which are likely to be less slippery.
“Similarly, if cycling, try and stick to main roads which are more likely to have been treated.
“Give yourself the best chance of avoiding delays by checking road conditions if driving, or bus and train timetables, amending your travel plans if necessary.
“Be prepared for weather warnings to change: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.”