At least 43 people have died in the southern United States following a bout of tumultuous weeklong weather in the country, local officials and media said.
Search and rescue teams found a woman and man on Saturday morning who went missing after a powerful tornado passed from Benton County, Mississippi on Wednesday - said Greg Flynn, spokesman for Mississippi Emergency Management Agency.
With rescuing the discoery of their bodies the number of confirmed casualties in Mississippi climbed to 10.
Deadly tornadoes also killed six people in Tennessee and two in Arkansas and Alabama.
The bad weather pushed the governors of Missouri and New Mexico to declare a state of emergency in their states.
In Missouri and Illinois at least 13 people were killed in flash floods.
Governor of Missoiri Jay Nixon said on Sunday that emergency workers have evacuated residents from their homes and conducted dozens of water rescues.
More than 11 people were also killed in Texas, near the city of Dallas, after a powerful tornado touched down on Saturday.The tornado also hit the city of Garland, killing eight people and blowing vehicles off highways.
According to officials, the tornadoes damaged 403 buildings and also caused a wildfire near the much-used Highway Route 101, northwest of Los Angeles, California.
"It's going to be a pretty active weekend as far as winter weather," said Evan Duffey, meteorologist for AccuWeather. "It looks like it's going to be pretty bad across the southwest into the southern plains."
Duffey warned over blizzard conditions on Saturday, saying that anyone hoping to travel in Texas, Oklahoma and Kansas "should try to get going as soon as you can" to beat the storm.
Northern England in the United Kingdom also suffered from bad weather this week. Homes were evacuated in Lancashire and Yorkshire as rivers overflowed in Manchester and Leeds.
Hundreds of flood alerts and warnings have been issued and thousands of people have been evacuated from 2,200 homes in York and about 3,500 others from River Foss have been advised to be ready to leave.
Prime Minister David Cameron tweeted, "My thoughts are with people whose homes have been flooded.
"I'll chair a COBRA [emergency committee] call [on Monday] to ensure everything is being done to help."
Flooding also caused travel "chaos" on roads in north Wales during Christmas week, as people were left stranded in their cars and vehicles.