WUUS53 KLSX 152201 SVRLSX ILC119-133-163-MOC183-189-152245- /O.NEW.KLSX.SV.W.0029.260315T2201Z-260315T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 501 PM CDT Sun Mar 15 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Madison County in southwestern Illinois... Northwestern Monroe County in southwestern Illinois... Saint Clair County in southwestern Illinois... Northeastern Saint Charles County in east central Missouri... Eastern Saint Louis County in east central Missouri... * Until 545 PM CDT. * At 501 PM CDT, a severe thunderstorm was located over Bella Villa, or over Lemay, moving east at 40 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Webster Groves, University City, St. Louis, Clayton, Florissant, Ferguson, Jennings, Cahokia, Godfrey, Granite City, Alton, Belleville, Fairview Heights, East St. Louis, Collinsville, Edwardsville, Swansea and O'Fallon. This includes the following State Parks... Scott Joplin Historic Site, Confluence State Park and Horseshoe Lake State Park. This includes the following highways... Interstate 64 in Illinois between exits 9 and 27. Interstate 55 in Illinois between exits 23 and 37. Interstate 70 in Illinois between exits 21 and 24. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. A Tornado Watch remains in effect until 800 PM CDT for portions of southwest Illinois and east central Missouri. && LAT...LON 3845 9037 3893 9031 3892 9028 3900 9027 3900 8964 3866 8966 3866 8971 3837 8970 3834 9037 3839 9034 3844 9035 3845 9034 3846 9035 TIME...MOT...LOC 2201Z 261DEG 35KT 3856 9028 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Kimble