Some families spent the night in temporary accommodation after they were evacuated from properties in Lancashire when rivers burst their banks.
They were taken to the nearby Darwen Leisure Centre after fleeing homes in Croston and Darwen, near Chorley, but were expected to return today.
The Olympic torch relay was also hit by the weather with organisers forced to cancel an outdoor event in Blackpool.
Severe flooding also hit areas of West Yorkshire overnight, especially in the Calderdale area.
At one point yesterday evening West Yorkshire Fire Service issued a message saying it could only respond to incidents in which life was in danger due to the amount of calls.
Meanwhile in Scotland, a pensioner was hospitalised with serious injuries following a collision in heavy rain on the A6112 between Preston and Duns.
UPDATE: The Great North Swim in Cumbria has been postponed due to strong winds and heavy rain.
EVENTS: The weather has also led to the cancellation of horse trials at Hutton-in-the-Forest, near Penrith.
Firefighters in the Yorkshire Dales had to rescue a number of people from cars due to flash flooding.
North Yorkshire Fire Service said nine people in three cars were brought to safety on the A684 in the Hawes area.
SPORT: Ireland’s one-day cricket international against Australia will go ahead after the pitch at Stormont in Belfast passed an early morning inspection. However, there will be a further inspection at 10am.
Heavy rainfall across many areas of Greater Manchester has also led to localised flooding.
Fire crews were called to deal with a variety of emergencies varying from making property safe, assisting people from their homes temporarily and assisting the RSPCA with rescuing a number of animals.
The Environment Agency Twitter feed (see below) is great for the very latest information on warnings and alerts across the UK
Councillor Simon Young said the River Calder burst its banks at about 9pm last night in Mytholmroyd, West Yorkshire.
"It was really a pretty devastating picture," he said.