Flood warnings have been issued by the Environment Agency, as bad weather sweeps across much of England.
Flooding has caused chaos across huge areas of England, with hundreds of people being moved from their homes, and transport severely disrupted.
Warnings have been issued for Norfolk, Suffolk, Lincolnshire, Yorkshire, Northamptonshire and Cambridgeshire.
Many areas are facing more heavy rain and flooding, with more than 40 flood warnings in force.
About 100 people have been trapped by rising flood water at a tool factory in Sutton Coldfield.
A search has been launched for a soldier who was swept away while on an exercise in North Yorkshire.
Homes have been flooded and motorists stranded in several counties, while train services have been badly disrupted by heavy rainfall.
In Northern Ireland, those affected by flooding earlier this week will be given £1,000 each in damages.
The workers, trapped at the Sutton Coldfield factory after the River Tame burst its banks, are not at risk and are waiting for the water levels to recede.
There are currently more than 40 flood warnings in force for areas of Norfolk, Suffolk, Northamptonshire, Yorkshire, Lincolnshire and Cambridgeshire, the Environment Agency has said.
It's just the sheer force and amount of rain that the West Midlands, in particular, has experienced overnight that has caused these problems Jim Rowe, Virgin Trains
Two severe flood warnings - indicating "extreme danger to life and property" - are still in place for Ings Beck in West Yorkshire and the River Dearne at Lundwood in South Yorkshire.
Heavy rain has also continued to fall in Northern Ireland, where the Met Office has warned of further rain accompanied by strong winds, with the risk of localised flooding.
Road accidents
The rainfall will continue into the weekend, following on from Tuesday's flooding in the province.
Heavy rainfall early on Friday morning caused havoc, with 100 people being trapped by flood water at a factory in Sutton Coldfield in the West Midlands, and 200 homes deluged in the Aston area of Birmingham.
Rail services in Yorkshire and the Midlands have been particularly affected, with the Birmingham to Euston service subject to delays.
Mid and West Wales Fire Service said they had been called to a number of flooded homes - the worst-affected areas being Borth, Lampeter and Aberteifi.
Heavy rainfall
Network Rail said train services to and from Birmingham were badly affected, with the Birmingham to Cannock line being closed down for the rest of the day.
Three severe flood warnings, the most serious category which indicate "extreme danger to life and property" were issued for Lincolnshire and Yorkshire.
An Environment Agency spokesman said the rainfall overnight going into Friday had been "very, very heavy".
"We would remind people to be vigilant and to make sure they are aware of the threat of flooding," it said.
By about 1500 BST, the Met Office said the heavy rain was getting lighter and was dying out in Yorkshire in particular, which had experienced severe flooding.
The main band of rain was curving from Dumfries and Galloway in Scotland back around to Newcastle, it said.
This bus was held up by floods in Crane Moor, north of Sheffield
This bus was held up by floods in Crane Moor, north of Sheffield
A spokesman said: "The rain is becoming a narrower band and is getting lighter as it moves northwards.
There were several road accidents, one in which a 57-year-old man from Gloucester broke his leg after his car hit surface water and overturned on the M42 in Warwickshire.
"There's now much lighter rainfall than in the south. But there is still very heavy rain in the spine of the South East, in the Thames Valley and across the moors of Cornwall and Devon.
And a 14-year-old boy had to be pulled from a swollen river in Chapeltown area of Sheffield.
"Wales has a lot of showers in the south which are slowly moving north."
Rescuer Craig Stenton, 41, said: "He had hit his head on a bridge and had taken in a lot of dirty water but he was ok."
A 14-year-old boy had to be pulled from a swollen river in Chapeltown area of Sheffield after falling in.
South Yorkshire police dealt with several incidents in Sheffield, Rotherham and Barnsley.
He was rescued by Craig Stenton, 41, who said: "I waded in and dragged him out.
Sheffield City Council said a number of schools were closed in the area, and a nursing home in the city was also evacuated.
"He had hit his head on a bridge and had taken in a lot of dirty water but he was ok."
There was also flooding around Kettering in Northamptonshire, and more than 20 people had to leave their homes after the village of Barley in Hertfordshire was hit by flash floods.
Train disruption
Rain moving north
The rain caused widespread disruption to rail services in some parts of England on Friday morning.
The Met Office said the heavy rain affecting Wales, the Midlands and northern England was moving northwards into southern Scotland and the Borders region.
Network Rail reported several disruptions in the Yorkshire region, with problems in areas including Bradford, Skipton and Barnsley.
It's just the sheer force and amount of rain that the West Midlands, in particular, has experienced overnight that has caused these problems Jim Rowe, Virgin Trains
Services in the Birmingham area were also severely disrupted.
Scotland could expect showers to continue over the weekend, it said - although not as severe as the battering experienced by much of England.
The lines from the city to both Wolverhampton and Rugby have been closed and services from Shropshire have been stopping in Wolverhampton.
Northern Ireland would have more rain on Saturday, although not as heavy as it was earlier in the week, a spokesman said.
Delays and short notice cancellations are affecting services on Virgin CrossCounty routes, while services between Birmingham New Street and Newcastle have been suspended due to flooding in Mexborough, South Yorkshire.
England, Wales and Northern Ireland would have a dry, warm Sunday, he added.
Tame Bridge train station in the West Midlands was badly flooded
Jim Rowe, a spokesman for Virgin Trains, said: "It's just the sheer force and amount of rain that the West Midlands, in particular, has experienced overnight that has caused these problems."
Central Trains said all services between Birmingham and the East Midlands had been suspended due to severe flooding, and that services linking Birmingham with Walsall and south Staffordshire were also suspended.
Homes evacuated
Meanwhile, police dealt with several incidents in Sheffield, Rotherham and Barnsley due to heavy rainfall.
Sheffield City Council said a number of schools were closed in the area due to problems relating to the weather and that one nursing home in the city was also evacuated.
Heavy rain brought flooding to Northamptonshire, with Kettering badly affected.
And more than 20 people had to leave their homes after a village in Hertfordshire was hit by flash floods.
Fire and emergency planning teams were called to Barley, near Royston, after severe flooding which affected about 10 properties.
If you have been affected by floods in your area and would like to comment please use the form below. Do you have any pictures? If so, you can send them to yourpics@bbc.co.uk
If you have been affected by floods in your area and would like to comment please use the form below. Do you have any pictures? If so, you can send them to yourpics@bbc.co.uk
