Prolonged Heavy Rain and Flood Warnings Issued Across the UK as Travel Disruption Grows

A Wet Pattern Tightens Its Grip

A slow-moving low-pressure system has settled over the United Kingdom, bringing prolonged periods of heavy rain, dense fog, and a growing risk of flooding. Forecasters say the unsettled pattern will persist through Thursday, with further rain expected later in the week.

Across England and Wales, rain has been falling onto already saturated ground. Rivers respond quickly. Fields glisten. Roads collect water.

The Met Office has warned that impacts may escalate as additional rainfall moves in from the west.

Yellow and Amber Warnings in Place

Yellow warnings for heavy rain were issued for southeast England and parts of Wales, with particular concern for high ground. Dartmoor and the hills of South Wales are forecast to receive 40 to 60 millimeters of rain in short periods.

The alert extends into Thursday, when South Wales and Dartmoor are again expected to see the heaviest totals, between 40 and 50 millimeters, accompanied by strong winds. Along England’s south coast, including Portsmouth, England and Brighton, England, a separate yellow warning is in effect for Thursday, with heavier rain expected after midday.

The Downs could see 40 to 50 millimeters, while most surrounding areas are forecast to receive 15 to 25 millimeters.

An amber rain warning, indicating possible danger to life, remains in force for southern parts of Wales until Monday evening. Forecasters warned that 50 to 80 millimeters of rain is likely across wide areas, with some locations approaching 100 millimeters.

Flooding and Disruption Risks

The Met Office said the volume of rain, combined with saturated ground, raises the likelihood of significant impacts. Fast-flowing or deep floodwater is considered likely in affected areas.

Communities could become cut off. Travel networks face disruption. Power cuts remain possible.

Warnings for heavy rain also cover parts of northeast, northwest, and southwest England, the East Midlands, the West Midlands, and Wales. Some alerts extend into the early hours of Tuesday, particularly across North East England and Yorkshire.

Fog Adds to Travel Problems

Before the rain intensified, dense fog spread across much of southern and central England. On Wednesday morning, at least seven flights were canceled at London City Airport. Normal operations resumed by mid-morning, but the disruption highlighted the fragile travel picture.

A yellow warning for fog remained in place until 10 a.m. for large parts of central and northern England. Visibility dropped sharply in places. Morning journeys slowed.

Forecasters Warn of Prolonged Rainfall

Sky News Weather meteorologist Dr Chris England said the rain would arrive in waves, bringing renewed disruption.

“Britain will see a band of prolonged and locally heavy rain spreading from the west this afternoon, clearing through the currently mainly dry south-east overnight," he said.

“The rain, heaviest over south-western hills and falling on already saturated ground, will bring a risk of localised flooding and travel disruption, especially to parts of southern Wales and the West Country."

He added that after a brief pause, more rain is expected.

“Friday looks drier, but there will be more rain on Saturday," Dr England said.

What Comes Next Toward Christmas

Looking ahead, the Met Office expects high pressure to build into the UK next week, bringing drier and colder conditions during the Christmas period. Overnight frosts, mist, and fog are likely to become more common.

Despite the chill, forecasters say significant cold weather appears less likely at this stage. Snow on Christmas Day remains uncertain.

The Met Office said it is too early to confirm whether Britain will see a white Christmas and noted that forecasts will be refined as new data becomes available.

For now, the message remains consistent. Rain continues. Rivers rise. And much of the country remains on alert.