Met Éireann has this afternoon issued a Status Yellow fog warning for Munster.

The warning is in place from midnight tonight until 10:00p.m tomorrow, Tuesday, November 23.

The national forecaster has said that dense fog will develop in places tonight and linger tomorrow, leading to hazardous conditions on roads.

The Road Safety Authority (RSA) is warning road users of the dangers posed by fog.

The authority emphasises that dense fog "seriously reduces your visibility and makes driving very dangerous".

Tips for road users include:

The weather overall this week is expected to be cold, with some frosty nights expected. There will be a good deal of dry weather, but some rain or showers at times, Met Éireann has forecast.

Tonight will be cold and mainly dry with clear spells, though mist and fog will develop overnight.

Frost will form in many areas as temperatures generally fall to between -2° and +1° in a light breeze.

However, it will be cloudier and less cold over north Ulster with temperatures of 2° to 4°.

Frost will clear tomorrow morning to leave a largely dry day with sunny spells, though mist and fog will linger in some areas.

The best of the sunshine will be over the southern half of the country, with cloudier conditions further north. There will be highest temperatures of 6° to 9° in a light variable breeze.

Tuesday night will be dry in Leinster and Munster with frost developing in places and lowest temperatures of -1 to +3.

Ulster and Connacht will be milder and cloudier with lows of 3° to 7° and moderate southwest winds. After a dry start, rain will develop in the northwest and will spread across the provinces overnight.

On Wednesday morning, rain will move southeastwards over Leinster and Munster and will clear by noon.

Sunny spells and scattered showers will follow from the northwest and moderate southwest winds will become west to northwest as rain clears.

Wednesday night will be cold with clear spells and scattered showers, most frequent near northern and western coasts.

Thursday will be a bright day with sunny spells. It will be mainly dry, but some scattered showers are likely on north facing coasts.

There will be highest temperatures of 5° to 8° with moderate, occasionally fresh, northwest winds. Thursday night will be mainly dry.

However, rain will develop in the northwest later in the night and spread southeastwards. Lowest temperatures of -1° to +4°, coldest in the southeast.

Friday will be a cold, windy and showery day, with some showers turning wintry.

There will be highest temperatures of 5° to 8° but feeling colder in fresh to strong and gusty northwest winds, with gales possible on some coasts and high ground.