32 people have died in storms, as the US prepares for even more severe weather.

The death toll from weekend storms that raked across parts of the US South and Midwest has risen by three to 32, according to official counts. Tennessee, one of the hardest-hit states, reported 12 weather-related fatalities Sunday and later raised that figure to 15. The toll in Tennessee came on top of the 17 deaths reported in Arkansas, Mississippi and Alabama in the US South, Indiana and Illinois in the Midwest, and the mid-Atlantic state of Delaware. The storm system left dozens injured. Meteorologists and officials warned communities Monday to be on high alert for new bands of thunderstorms and potential tornadoes in the region, with several million Americans under high wind watches or warnings.

Blizzard conditions are expected in northern plains states including the Dakotas, and in the Rocky Mountains where the National Weather Service forecast one to three feet (30 to 90 centimeters) of snow in parts of Utah, Wyoming and Colorado. US President Joe Biden visited the Mississippi town of Rolling Fork last Friday one week after it was devastated by a tornado that ripped through the southern state, killing at least 25 people.