Headline:
Severe Thunderstorm Warning issued April 17 at 3:42PM CDT until April 17 at 4:15PM CDT by NWS St Louis MO
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
April 17, 2026 - 1:42pm
Expires:
April 17, 2026 - 2:15pm
Description:
At 342 PM CDT, a severe thunderstorm was located over Harvester, or
near St. Peters, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained spotters reported quarter size hail in Chesterfield.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Chesterfield, Dardenne Prairie, O'Fallon, Weldon Spring,
Cottleville, St. Peters, St. Charles, Maryland Heights, St. Ann,
Lambert-St. Louis International Airport, Hazelwood, Bridgeton,
Berkeley, Florissant, Black Jack, Godfrey and Alton.
This includes the following State Parks...
First Missouri State Capitol Historic Site and Pere Marquette State
Park.
This includes Interstate 70 in Missouri between exits 216 and 231.
Instruction:
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and has
produced large hail.
Area Description:
Calhoun, IL; Jersey, IL; Madison, IL; St. Charles, MO; St. Louis, MO
Forcast Office:
NWS St Louis MO
Sender: