At least four people are dead after strong supercell storms that spurred tornado warnings, slammed into St. Louis on Friday.

St. Louis police said there was "significant damage" to the northern and western parts of the city.

Meanwhile, the storms spread east Friday into Illinois and Kentucky, bringing the risk of a severe weather outbreak through the night.

A tornado watch covers Indianapolis; Louisville, Kentucky; and Carbondale, Illinois, among other cities through 10 p.m. Central Time.

Several tornadoes were possible, including some high-end, long-track twisters. There is also a risk of huge hail -- up to 2.5 inches -- and widespread damaging wind gusts up to 80 mph.

In addition, strong storms pounded parts of the Mid-Atlantic, including in the Washington, D.C., area and up to Pittsburgh, with some storms bringing powerful gusts up to 80 mph in some cases.

Two people died in Virginia, just outside Washington, D.C., after trees fell onto their vehicles, according to authorities.

One of the people was driving on the George Washington Memorial Parkway when a tree hit their vehicle, according to U.S. Park Police. In suburban Fairfax County, a woman was killed when a tree fell on the car she was driving, police said.

severe weather map

Overall, 90 million people are at risk for severe weather.

More than 400,000 customers are without power on Friday afternoon, including over 200,000 in Michigan and 100,000 in Missouri, with severe weather moving through the Midwest.

Severe Weather - Latest Alerts Map

There was a moderate risk -- level 4 of 5 -- for significantly severe storms Friday, from southeast Missouri through southern Illinois, western and central Kentucky and southern Indiana.

Severe Weather Outlook- Friday Map

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Storm damage is seen in Mayville, Wisconsin, May 15, 2025.

Storms were expected to reach Indianapolis around 7 p.m.

The storms were then expected to hit Cincinnati; Louisville, Kentucky; and Jonesboro, Arkansas, at 8 p.m. CT before hitting Memphis, Tennessee, at 9 p.m. They will reach Nashville, Tennessee, from 10 to 11 p.m.

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Strong storms were possible in the Mid-Atlantic on Friday afternoon as the energy from the morning system reach the area. Strong winds and some hail are the main risks for the East Coast.

Severe Weather Outlook- Saturday Map

Saturday’s risk area is mainly centered over Texas, Oklahoma and Arkansas, where damaging wind, large hail and a few tornadoes are possible. These storms are expected in the evening and overnight hours.