According to the Met Office, which has issued a yellow level alert, accumulations of 2-5cms are likely - increasing to 10cms over higher ground.Wintry showers may already have affected some parts, but forecasters say showers will "turn increasingly to snow" over the next 24 hours or so."Icy stretches will also reform in the evening, these lasting well into Wednesday morning," the Met Office warns."The public should be aware of the risk of some travel disruption and difficult driving conditions."The alert started at 12 noon on Tuesday and remains in place until 10am on Wednesday.More showers bringing hail and sleet are also said to be likely throughout the rest of the week, as the chilly conditions look set to continue.Temperatures should hover just above freezing, but will feel much colder - more like minus 4/5C.Meanwhile, the PSNI have issued a warning to motorists, with roads in parts of Omagh, Co Tyrone, and Enniskillen, Co Fermanagh, said to especially hazardous."Police are advising motorists across the province to exercise caution on the roads, slow down, use your dipped headlights and keep a safe distance from the car in front. Particularly, in the areas of County Tyrone and Londonderry, due to heavy snow showers," the statement said.Check out pictures of the February snow, or add your own snaps to our gallery!