//The storms broke out across the Deep South on Saturday and early Sunday.

The storms broke out across the Deep South on Saturday and early Sunday.

An ongoing outbreak of severe weather has brought reports of at least 14 tornadoes from Texas to Mississippi Saturday into Sunday — and the threat will continue throughout the morning.

At least three people have died, including two children who were crushed inside a car in Angelina County, Texas.

One person died overnight in Monroe County, Mississippi, as a reported tornado ripped through Hamilton, about 45 miles northeast of the campus of Mississippi State University. In Alto, Texas, 25 people attending a field day were transported to a local hospital with injuries. More than 150,000 customers were without power across five states — Texas, Missouri, Mississippi, Alabama and Louisiana — on Sunday morning.

A gas station is damaged following severe weather, Saturday, April 13, 2019 in Vicksburg, Miss. Authorities say a possible tornado has touched down in western Mississippi, causing damage to several businesses and vehicles.(Courtland Wells/The Vicksburg Post via AP) A gas station is damaged following severe weather, Saturday, April 13, 2019 in Vicksburg, Miss. Authorities say a possible tornado has touched down in western Mississippi, causing damage to several businesses and vehicles.

A new tornado was reported Sunday morning in Pike County, Alabama, after four twisters were reported in the state on Saturday.

A view of clouds, part of a weather system seen from near Franklin, Texas, in this still image from social media video dated April 13, 2019.(DOC_SANGER/Twitter/Reuters) A view of clouds, part of a weather system seen from near Franklin, Texas, in this still image from social media video dated April 13, 2019.

The two children, a 3-year-old and 8-year-old, were both pronounced dead at the scene in Lufkin, Texas, when a tree fell on the car they were sitting in Saturday afternoon.

Vehicles travel through a flooded section of Highway 61 South following severe weather, April 13, 2019, in Vicksburg, Miss.(Courtland Wells/The Vicksburg Post via AP) Vehicles travel through a flooded section of Highway 61 South following severe weather, April 13, 2019, in Vicksburg, Miss.

Tornado watches were still in effect Sunday morning in the South, including parts of Florida, Alabama and Tennessee. A line of intense storms was moving through this area Sunday morning with rotation being detected in some of the more intense cells. The tornado watches in this region go through the morning hours.

Debris is strewn in flooded water in the Pemberton Quarters strip mall following severe weather, April 13, 2019, in Vicksburg, Miss.(Courtland Wells/The Vicksburg Post via AP) Debris is strewn in flooded water in the Pemberton Quarters strip mall following severe weather, April 13, 2019, in Vicksburg, Miss.

North of the ongoing severe weather, there is heavy rain, including thunderstorms, in parts of the Midwest from Illinois to Ohio. Colder air wrapping around the system is bringing a little bit of rain and snow to parts of Missouri and Arkansas. There is also some wet snow across parts if northern Illinois and Indiana.

Tornado watches continue to be in effect in Alabama and the Florida Panhandle on Sunday morning.(ABC News) Tornado watches continue to be in effect in Alabama and the Florida Panhandle on Sunday morning.

The severe threat Sunday encompasses a huge region from Florida to New York, including many major metropolitan areas like New York City, Philadelphia, Washington, D.C., Charlotte, Pittsburgh and Atlanta. Over 80 million Americans are at risk for severe weather.

Severe storms will affect a large portion of the East Coast on Sunday.(ABC News) Severe storms will affect a large portion of the East Coast on Sunday.

As the storm moves north and east on Sunday, a cold front in the South will sustain the threat for severe weather through the morning hours. Numerous severe thunderstorms, with possibly damaging winds, large hail and brief tornadoes, are possible in parts of the Southeast from Florida to Tennessee.

Scattered severe storms will also form through parts of the Midwest and Mid-Atlantic. In the Northeast, areas that receive some daytime heating — mainly around the Washington, D.C., and Baltimore area — are at risk for severe thunderstorm development Sunday. Isolated severe weather could move into parts of Pennsylvania and New Jersey, as well.

Severe storms will move into the Northeast on Sunday evening.(ABC News) Severe storms will move into the Northeast on Sunday evening.

Despite the loss of daytime heating, the storms will reinvigorate overnight over the Appalachian Mountains. The Northeast, including Philadelphia and New York, will see severe thunderstorms develop through the region late at night. There is a risk for damaging winds and isolated brief tornadoes during the overnight hours into early Monday.

The storms will be on top of parts of the Interstate 95 corridor during the Monday morning rush hour. In addition to possible severe storm activity, localized flash flooding is possible.

Heavy rain could make a mess of the Monday morning commute from Virginia to New England.(ABC News) Heavy rain could make a mess of the Monday morning commute from Virginia to New England.