Ex-tropical cyclone Oswald has brought widespread flooding and strong winds to eastern Australia.
The Environment Agency has issued flood warnings and flood alerts across the UK.
Milder temperatures overnight will cause snow to thaw rapidly, with heavy rain expected to bring the risk of flooding in England and Wales.
Wiltshire Police has reported that by 8am it had dealt with 53 road traffic collisions caused by black ice on roads across the county
Twenty eight were minor injury collisions and 25 were non injury ones.
Superintendent Nick Ashley urged motorists to take care or reconsider travelling this morning:
We have had a unprecedented number of road traffic accidents this morning.
Thankfully, although there have been some injuries, these have not been serious but it is only a matter of time if motorists do not take care on the roads.
After the heavy rain most of the grit that was placed on the roads during the snow has been washed away by the rain, this has then frozen and left black ice all over the roads.
Bad weather conditions affecting the Australian state of Queensland has led to a small beach town being covered in foam.
The foam was whipped up from the ocean and brought on to Mooloolaba's shore, local media said.
Many residents and tourists took the opportunity to play in the foam or take photographs of the natural phenomenon.
In Sussex, there were more than 40 crashes on the county's roads between midnight and 7.45am today, Sussex Police has said.
More than 30 of the accidents involved single vehicles sliding off the road because of black ice, prompting advice for motorists to drive with extra care.
Most of the collisions happened in rural areas and no serious injuries were reported, police said.
The Environment Agency has issued 64 flood warnings across the UK, with no severe flood warnings in place.
Overnight in Australia people have died and homes are submerged, as heavy rain and flooding hit eastern parts of the country.
The UK faces another week of disruptive weather, as more heavy rain continues throughout the week.
There are currently more than 300 flood alerts across the UK, with more than 80 flood warnings in place.
Temporary flood barriers are being put in place in Worcestershire.
There are currently 43 flood warnings in place across the Midlands, with more across other parts of the UK.
At least one person has been killed in rising floods waters after a weekend of rain, made worse by melting snow.
Further flood warnings are in place for the rest of the week, ITV Daybreak's Richard Gaisford reports.
A resident from Bundaberg, Queensland has said her family "has been left with nothing" after her home was destroyed by fast-rising flood waters:
The Australian prime minister Julia Gillard has sent her condolences to the friends and family of the three people who have been killed in flooding in eastern Australia:
A toddler and two women had to be airlifted to safety after their car became trapped in fast-rising flood waters in Queensland, Australia.
Footage has emerged of the dramatic rescue by helicopter pilots, in which the toddler is winched to safety in a waterproof bag: