As well as this, Dublin, Louth, Wexford, Wicklow, Meath and Waterford also have an orange winding warning which says Storm Callum will bring South to southeast winds of between 100 and 130 km/h, strongest at the coast.
South Wales will get up to a month's worth of rain on Friday and Saturday, and double that in high and exposed locations.
Pembrokeshire County Council is also warning residents to be aware of the potential for danger and disruption.
Spray and flooding is also likely to lead to hard driving conditions and some road closures.
The storm is likely to hit tonight, but at different times around the country (more on that here) and it's also expected to hit some places worse than others. There is the risk of localised flooding, tricky conditions on the roads with surface water and spray.
A yellow warning for wind is in place across the west coast of Scotland, including Glasgow and parts of the central belt, throughout Friday.
"Preparations are well underway to ensure we have engineers and equipment and customer care teams on hand to respond to faults should they come in". Expect the unexpected. Watch out for falling/fallen debris on the road and vehicles veering across the road.More news: Tanushree Dutta Files Sexual Harassment Complaint Against Nana Patekar
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Callum is the third named storm of the 2018/19 season, following Ali and Bronagh which both camer in September. Originally, the warning for these counties was to be observed from 11pm Thursday night until 1pm on Friday.
Winds of up to 130km are expected, possibly going even higher in coastal areas.
The National Emergency Coordination Group is meeting today to prepare for the arrival of Storm Callum. Fallen leaves will lead to blocked drains and flooding issues.
People should take action now to be prepared.
"The strongest winds associated with this event will occur during the night-time hours and Friday morning rush-hour commute".
South Wales is bracing itself for a two-day deluge that's expected to cause flash floods and travel chaos.