More than 55 million people across the central and southern US are at risk of severe weather on Tuesday as a violent storm sweeps across the country, bringing the potential for blizzard conditions, tornadoes and fire weather.

A strengthening storm system will move across the country this week, bringing blizzard conditions to the Heartland and tornadoes and damaging winds to the South.

AccuWeather forecasters break down the threat of dangerous severe weather as storms tear from the Plains to the Southeast from the night of March 3 into March 5.