Severe Thunderstorm Warning issued May 16 at 2:20PM CDT until May 16 at 2:45PM CDT by NWS St Louis MO

At 220 PM CDT, a severe thunderstorm was located over Harvester, or
near Weldon Spring, moving east at 50 mph.

HAZARD...Tennis ball size hail and 60 mph wind gusts.

SOURCE...National Weather Service observed.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.

Locations impacted include...
St. Louis, O'Fallon, St. Charles, St. Peters, Florissant,
Chesterfield, Wildwood, University City, Ballwin, Alton, Kirkwood,
Maryland Heights, East St. Louis, Hazelwood, Webster Groves,
Ferguson, Manchester, Godfrey, Creve Coeur and Overland.

This includes the following State Parks...
Babler Memorial State Park, Scott Joplin Historic Site, Confluence
State Park and First Missouri State Capitol Historic Site.

This includes Interstate 70 in Missouri between exits 216 and 231.