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Threatening storms in the US 0:27
(CNN) - After the devastating weather left at least 10 people dead over the weekend, the United States is preparing again for a series of dramatic rains and snowfalls.
Torrential rain will flood parts of the southeast this week as stripes from the northwest will be hit by several centimeters of snow.
Heavy rains and floods could hit the southeast on Monday and Tuesday, the National Weather Service said.
- A triple threat storm could bring tornadoes, snow and flooding to much of the United States this weekend
Fierce storms, including tornadoes, have killed at least 10 people since Friday: three in Texas, three in Louisiana, three in Alabama and one in Oklahoma.
"Some of the same areas affected by severe weather during the past weekend will have scattered showers and thunderstorms, which will make cleaning difficult," CNN meteorologist Gene Norman said Monday.
The storms will be slow, "and on Wednesday they could become persistent rains," Norman said.
The southwest will not only be wet, but it will also be unusually warm.
"It will be possible to record warm daily high and low temperatures in parts of the Southeast until Wednesday," said the National Weather Service.
"Temperature anomalies on average will range between 6 and 12 degrees Celsius above normal in much of the Mid-Southeast Atlantic and in the Central Appalachians."
But in Montana and western Dakotas, the high temperatures on Monday and Tuesday are expected to remain below zero degrees.
Further west, heavy snowfall will cover much of Oregon and Washington.
- Dangerous storms threaten tornadoes, floods and ice in the eastern half of the U.S.
"The snowfall will be measured in centimeters at the waterfalls, northern Sierra Nevada, northeastern Oregon, northern and central Idaho, western Wyoming, central-northern Utah and the Colorado Rocky Mountains," he said. National Metereological Service.
"Expect treacherous and frosty travel conditions in these affected areas."