Met Office’s Rainstorm Warning: 15 Hours of Downpours to Hit Northern Ireland This Weekend
Britons are bracing for a spell of wild rainfall as the Met Office issues a 15-hour rainfall warning, with heavy cloudbursts and implicit flooding set to disrupt the weekend.
The unheroic rainfall warning covers Northern Ireland, beginning at noon on Saturday and lasting until the early hours of Sunday morning.
Meteorologists prognosticate between 20 mm and 40 mm of rain across a significant portion of the region, with isolated areas conceivably being drenched with as much as 80 mm in just a many hours.
The Met Office explained: “Rainfall is likely to develop during Saturday, and may become persistent and at times heavy.
20-40 mm of rain may fall widely, with some locations perhaps seeing 60-80 mm, with much of this falling in just a few hours.
From late Saturday onwards, increasingly strong, gusty winds and perhaps some thunder will also accompany the rainfall.
⚠️The Met Office has issued a yellow weather warning for rain from 9am Saturday, 20 September until 6am Sunday, 21 September. Please take care.
For more information https://t.co/UrkiMfPZ2u pic.twitter.com/tfj8tTxZyO
— Cheshire West (@Go_CheshireWest) September 18, 2025
There is a chance that the heaviest rainfall could remain to the southeast of Northern Ireland, and any rain will clear to the northeast overnight Saturday into Sunday.”
Travel and safety concerns
The forecaster has stressed the threat of flooding, trip dislocation, and power outages. There’s a “ small chance ” that transport networks could grind to a halt, with trains and motorcars facing delays or cancellations.
They added: “Where flooding occurs, there is a slight chance of delays or cancellations to train and bus services. Spray and flooding could lead to difficult driving conditions and some road closures.”
For households and businesses, the warning is equally stark. The Met Office said there is a risk that “homes and businesses could be flooded, causing damage to some buildings.”
A wet and stormy weekend ahead
The rain is anticipated to be accompanied by strong gusts and occasional thunder, creating a dangerous blend for those on the roads.
motorists are prompted to take redundant care, particularly on pastoral routes prone to face water and flash flooding.
Though the corridor of southeast Northern Ireland may escape the worst, the unsettled rainfall will still dominate the region throughout Saturday, clearing into Sunday morning.
With the afterlife settling in, this Met Office’s rainfall warning serves as another memorial of the season’s changeable shifts. Communities are being prompted to stay alert, keep an eye on sanctioned evacuations, and prepare for potential flooding.