This is the situation in Doncaster as the River Don continues to rise.
The forecasted height of the river in Doncaster will be 6.43m, the Environment Agency says.
There are five severe flood warnings in place and can be viewed here , external- this means there is a risk to life and people need to act immediately.
Meadowhall shopping centre is due to be open as normal today after heavy rain and flooding left dozens of customers trapped overnight.
Image source, Luke TurnerThe River Don outside the centre overtopped the flood defences, leading to flooding outside and road closures in the surrounding area.
In a statement a spokesperson said: "Whilst the extreme weather conditions persist in some parts of the region, the centre remains dry and secure. It is therefore our intention to open at our normal time of 10.00am today.
"We anticipate that nearly 80,000 people visited Meadowhall yesterday and less than 30 customers remained in our building throughout the night.
"For those who were unable to get to their home safely or preferred to stay with us due to adverse weather conditions where they live, we looked after them by providing an array of blankets, coats and towels as well as a continuous supply of refreshments.”
Jenny Eells
BBC Radio Sheffield
These are the latest pictures reaching us from Rotherham as much of the town alongside the River Don has flooded.
The rail line is flooded, prompting train operator Northern to cancel many services.
South Yorkshire Fire and Rescue say they rescued more than 100 people and dealt with more than 500 emergency calls overnight as torrential rain battered the region.
The calls, taken between 22:00 and 04:00 this morning, all related to flooding.
A number of services are helping the South Yorkshire flood effort, with West Midlands, Greater Manchester, North Yorkshire, Lancashire and Lincolnshire Fire and Rescue Services among those lending a hand.
Train operator Northern has released this picture showing the flooding at Rotherham station, with trains currently suspended across large parts of the rail network in Yorkshire, external.
Image source, NorthernA Northern spokesperson said: "The Friday morning peak will still see disruption on several routes and disruption is likely for the rest of the day in some areas.
"We are still advising customers on a small number of routes - particularly in South Yorkshire - not to travel as flooding is making rail and road travel extremely difficult.
"Colleagues at Network Rail have inspected the tracks and working hard to return them to normal working, but at present we have no estimate as to when we will be able to operate services on the affected routes."
The main focus of today's rescue operation will shift to Doncaster, say South Yorkshire Fire & Rescue.
Assistant Chief Fire Officer Steve Helps has described using "five additional high volume pumps and 10 rescue boats" to help rescue more than 100 people from Meadowhall and the Parkgate centre overnight.
He also has plenty of advice for staying safe from the flood water:
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People have been sharing their experiences of the floods today, with many praising the emergency services for their work.
Image source, South Yorkshire PoliceFirefighters have been working throughout the night, supported by South Yorkshire Police, councils and the Environment Agency.
One South Yorkshire police officer took to Twitter to praise South Yorkshire Fire and Rescue, external, saying: "Amazing work by all of your staff through the night, some working 24 hour shifts! Genuine life savers tonight, without them many would have been at risk."
Michael from Sheffield called BBC Radio Sheffield to say: "They're doing a fantastic job. God bless them all."
All tram services are back up and running today following severe weather in Sheffield.
Image source, South Yorkshire PoliceThere is one change to normal service though - safety checks are set to be carried out at Tinsley following high water on the River Don.
This means services won't serve Meadowhall.
The Tram Train service isn't running either as the track is flooded (above picture).
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After yesterday's downpours today we will see some sunny spells and just a few showers across the region.
Some of those showers will be heavy and bring a little cloud with them.
Overnight the showers should start to ease and it will be largely dry and clear with temperatures dropping to as low as -4C in places:
Most of the focus is around South Yorkshire today with the rivers in the area expected to continue to rise.
But, in West Yorkshire, Calderdale Council say a flood alert has been lifted for the Lower River Calder catchment:
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BBC News Travel
Rail passengers are being advised not to travel after flooding across Yorkshire left several lines underwater.
Image source, PA MediaTrains in the following areas have been affected:
There are now five severe 'threat to life' flood warnings in place along the River Don.
The photo above shows the River Don at Rotherham.
The Environment Agency has issued warnings at the following locations:
Doncaster Council has told people living in the Sandal Grove and Old Kirk Sandall area to evacuate immediately, external.
A woman who was stuck in a flood-hit shopping centre in Sheffield says she saw people buying pyjamas from Primark as they planned to spend the night there.
Read MoreThe River Don has hit its highest recorded level in Doncaster, according to the monitoring station on the river.
Image source, Environment AgencyIt follows severe "threat to life" warnings being issued for the town.
It's currently at just over 6.3m, higher than it was in 2007 when it also flooded.
The Environment Agency has previously told the BBC that the river will peak at about midday today.
This is forecast to be 6.43m.
The river is rising as it takes several hours for rainwater to filter through the Upper Don catchment into the River Don.
This is what the Parkgate shopping park in Rotherham looks like this morning following the heavy rainfall.
Image source, Lee EvansLee Evans took the photos showing vehicles partially submerged.
It comes as severe flood warnings are being issued for parts of South Yorkshire.
The Environment Agency (EA) is telling people to take their severe warnings seriously and evacuate.
Image source, The Environment AgencyIt comes as a number of severe "threat to life" warnings are being issued for the Doncaster area.
Fran Lowe, from the EA, said: "Pay attention to our flood warnings and alerts - take these warnings very seriously as they represent a threat to life.
"Respond immediately and get out of any place affected by a severe flood warning."
This is the latest view at Meadowhall where people have had to leave their cars in floodwater.
Image source, Lee ParkinsonAt its height at about 22:00 last night, the rising water saw cars fully submerged, but now the water level has dropped considerably.
Cars can be seen again with the police keeping the road closed as the council attempts to clear the water.
This is where the River Don has burst its banks in Kirk Sandall.
Image source, GoogleIt's where the River Don and the River Dun navigation run alongside each other.
The council says the breach is at St Oswald's Church.
Residents are being told to evacuate their homes immediately with a risk to life warning currently in place.
There are homes 200m (640ft) away from where the river has breached.
The River Don is breaching its banks at Kirk Sandall, the council has said.
It's asking people to evacuate their homes immediately.
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The flooding is impacting transport as you might expect, with the morning rush hour predicted to be busy.
Image source, PA MediaThe following road closures are in place:
These are the road closures the BBC is aware of, and will change throughout the day.