Northwest Scotland is expected to bear the worst of Storm Bram, with an amber warning issued for “very strong and disruptive winds”.
The Met Office is warning of gusts potentially upwards of 90mph in the region.
There has been disruption across the UK on Tuesday, with flights and trains cancelled and hundreds of properties left without power.
Nine weather warnings for wind were still in place on Tuesday evening, with amber warnings issued for parts of the Scottish Highlands, the Outer Hebrides, Strathclyde, and Northern Ireland.
Additional amber rain warnings covering parts of South Wales and southwest England came into force overnight and are due to last until 10am.
The forecaster says 50 to 75mm of rain is expected across these affected areas, with a possible peak of 100mm.
Delays and cancellations to transport services are likely across the warning areas.
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The worst of the conditions are expected in Scotland, where an amber warning for wind came into force at 4pm. It has now been extended from midnight on Tuesday until 3am on Wednesday.
The rest of the country is covered by yellow wind warnings which extend into Wednesday.
The Met Office has warned that flying debris could cause a danger to life.
There’s also potential for large waves and beach material being thrown onto sea fronts, coastal roads and properties, the forecaster warned.
It added that roads, bridges and railway lines could be forced to close, with delays possible to bus, train, ferry services and flights.
Power cuts and damage to homes are also possible, with roofs blowing off and power lines being brought down.
Commuters flying in and out of Dublin Airport have been seriously affected today, with 91 flights cancelled at the airport, and around a further 10 flights diverted to other airports, due to strong winds.
“Further disruption is possible later today as wind speeds are expected to increase,” Dublin Airport wrote in a post on X.
Passengers have been told to contact their airline directly for a status update on their flights.
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As of Tuesday evening, there were 37 flood warnings and 148 flood alerts in England, 20 flood warnings and 48 flood alerts in Wales and 33 flood warnings and 15 flood alerts in Scotland.
In Greater Manchester, there was flooding and a crash involving several vehicles on part of the M66, which was closed southbound while crews cleared the water.
Devon was one of the hardest-hit regions in the UK over the past 24 hours, as the Met Office indicated “the worst of the rain” has cleared in Wales and southwest England.
The agency said there were “very high rainfall totals” from 3pm yesterday to 3pm today.
Three areas in Devon were among the worst hit, with White Barrow, Devon, topping the list, recording 111.5mm of rainfall.
Treherbert in Glamorgan had 83.8mm, just ahead of Dartmoor (81.2mm) and Princetown (79.4mm) in Devon.
Train services in some areas will also be suspended later and ferries have been cancelled as the storm sweeps in.
The railway line was closed between Par and Newquay in Cornwall due to flooding.
Great Western Railway also closed the line between Swindon and Bristol Parkway.
Transport for Wales said the line between Abercynon and Aberdare was closed due to severe flooding, while fewer trains were able to run due to flooding on the line between Danescourt and Cardiff Central station.
Network Rail Scotland said that some train services will be suspended later in the day as conditions affect transport.
The Glenfinnan to Mallaig line will be shut from 4pm on Tuesday, as well as between Dingwall Junction and Kyle of Lochalsh from 5pm.
Speed restrictions will also be in place on many other routes in Scotland as the worst of the weather moves in.
ScotRail advised passengers to check their journey before travelling.
Forecasters warned that gusts of 60-70 mph are expected quite widely, but there will be potential gusts of 70-80 mph across the Hebrides and western Highlands.
Another warning will be in place from noon on Tuesday until 6am on Wednesday, covering Central, Tayside and Fife, Grampian, the Highlands and Western Isles, southern Scotland and Strathclyde.
There are warnings that gusts around 50-60 mph are possible fairly widely, and potentially in excess of 70 mph in exposed areas and on high ground.
A yellow warning of rain was in place from Scotland’s central belt to the border until midday.
The Met Office has issued yellow warnings of strong wind for northern Scotland lasting until 10pm on Wednesday and for central, eastern and southern Scotland, which are in force until 9pm.
Check the forecast where you are
“Storm Bram will bring a very wet and windy spell of weather, with very strong winds and further heavy rain,” advised chief forecaster Dan Suri.
Sky News meteorologist Dr Christopher England warned many areas could face disruption from “damaging gusts”.
“It only takes one tree falling in the wrong place at the wrong time to have a significant impact,” he said.
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Check before you travel
Damage to buildings and homes, travel disruption, flooding, and power cuts are all possible.
Those covered by the amber alert – mainly in the Highlands and Eilean Siar – should protect their property and people from injury by checking for loose items outside their home and securing them, the Met Office said.
Travel disruption is likely, with roads, bridges, and railway lines all vulnerable to closure. Delays and cancellations on buses, trains, ferries, and flights are possible.
Transport Scotland and Network Rail have urged people to check before they travel.
Storm Bram was named by the Irish weather service Met Eireann.
