UPDATE 7:15 p.m.: The National Weather Service issued a third severe thunderstorm warning through 7:45 p.m. for southern St. Louis and northern Jefferson counties.

UPDATE 6:30 p.m.: The National Weather Service issued another severe thunderstorm warning through 7 p.m. for southern St. Louis and northern Jefferson counties.

The counties of St. Louis, St. Charles and Jefferson are under a severe thunderstorm warning until 6:30 p.m., according to the National Weather Service.

This storm, which is moving east, is producing quarter-sized hail and 60 mile per hour winds gusts. The storm can cause minor damage to vehicles, rooftops and windows.

A severe thunderstorm watch remains in effect for the counties of St. Louis, St. Charles and Jefferson until 11 p.m.