The warning went into effect at 3am this morning and will stay in place until 11am.

The Irish Meteorological Service has issued a Status Yellow fog warning for the entire country. The warning went into effect at 3am this morning and will stay in place until 11am. On their website, Met Éireann said: "Fog patches will be dense in parts giving reduced visibilities and poor driving conditions." Additionally, the Road Safety Authority issues guidance to motorists for driving in fog conditions. Their advice reads: "Road users should listen to weather forecasts and general advice about driving conditions and if you must drive in fog, allow plenty of extra time for your journey. Before setting out, check that your car is in good working order, particularly that all the lights, including fog lights, work properly and are clean. "The RSA is also advising vulnerable road-users such as pedestrians, motorcyclists and cyclists to ensure they are clearly visible to other road-users by wearing high visibility clothing and using lights." https://twitter.com/RSAIreland/status/1472793886540111878 The fog is expected to clear as the morning goes on, and there will be some brighter spells in a number of regions throughout the day. Most areas of the country will remain dry though some patchy drizzle may develop elsewhere. Highest temperatures today will be between 5 and 9 degrees with a light to moderate east to southeast breeze. Tonight will see fog, mist and drizzle develop in some places, and lowest temperatures will be between 2 and 5 degrees. We can expect mild weather conditions for the remainder of the week. Right now, Christmas Day is shaping up to be rainy at times, but with some drier periods as well. Highest temperatures will be between 5 and 9 degrees. It will be coldest in the north, with a chance of sleet possible on higher grounds in Ulster.