Updated 5.22pm

IRELAND IS SWATHED in a blanket of fog again this evening with a weather warning still in place for 11 counties.

Met Éireann has warned people in Cavan, Monaghan, Donegal, Dublin, Kildare, Longford, Louth, Westmeath, Meath, Leitrim and Roscommon that dense fog conditions will continue for the rest of the day and overnight.

The orange alert is not due to be lifted until 9am tomorrow.

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It looks pretty, but it can be treacherous, so gardaí are warning drivers to use their fog lights and keep safety a priority:

Moyagh Murdock, CEO of the Road Safety Authority said: “Heavy fog seriously reduces your visibility and makes driving very dangerous. Our advice is to switch on dipped headlights and fog lamps, reduce your speed and keep a safe distance from the vehicle in front.”

Here are some more pics of the fog snapped by our readers:

A foggy Spire in Dublin Shane Walsh Shane Walsh

Castleknock train station Mark Kiernan Mark Kiernan

She said that if the fog closes in, reduce your speed further and take your time getting to your destination. “Open your window a little so you can listen out for other road users, particularly at junctions. Vulnerable road users should avoid cycling or walking in fog unless it is a necessity.”

AA Roadwatch is also urging caution:

Be safe

Here’s the advice being given by the Road Safety Authority:

If you’re driving:

• Slow down, leave more space between you and the vehicle in front
• Use dipped headlights and front and rear fog lights, if fitted
• Open your window a bit so you can hear road users approaching
• Turn OFF fog lights once visibility improves
• Keep a lookout for pedestrians, cyclists and motorcyclists
• Don’t just blindly follow the vehicle in front
• If you have to stop, turn on your hazards

If you’re on foot:

• Wear hi-vis clothing or carry a torch.
• If it’s dark when your child is going to school in the morning, make sure they can be seen
• Be really, really careful near water, canals, lakes, ponds, piers, etc…

Here’s today’s outlook from Met Éireann (don’t abandon the gloves and thermals just yet…)

Read: There’s been ANOTHER fog warning issued for the entire country>

Read: Amazing cockpit video from a plane landing in thick fog at Dublin Airport>