WUUS53 KLSX 160315 SVRLSX ILC133-163-MOC099-189-510-160400- /O.NEW.KLSX.SV.W.0047.260416T0315Z-260416T0400Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 1015 PM CDT Wed Apr 15 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Monroe County in southwestern Illinois... Central Saint Clair County in southwestern Illinois... Central Jefferson County in east central Missouri... South Central Saint Louis County in east central Missouri... Southern Saint Louis City in east central Missouri... * Until 1100 PM CDT. * At 1015 PM CDT, severe thunderstorms were located along a line from over East Carondelet to over Olympian Village, or along a line from near St. Louis to 6 miles south of Festus, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Sunset Hills, Crestwood, De Soto, Arnold, Webster Groves, St. Louis, Pevely, Festus, Cahokia, Crystal City, Columbia, East St. Louis, Centreville, Belleville, Fairview Heights, Waterloo, Swansea, O'Fallon and Shiloh. This includes the following State Parks... Mastodon Historic Site, Sandy Creek Covered Bridge Historic Site and Gov. Dunklin's Grave Historic Site. This includes the following highways... Interstate 64 in Illinois between exits 12 and 19. Interstate 55 in Missouri between exits 170 and 191. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are 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 1200 AM CDT for portions of southwest Illinois and east central Missouri. && LAT...LON 3807 9058 3822 9061 3857 9038 3864 8981 3839 8987 3822 8985 3822 9004 3813 9004 3809 9021 3813 9026 3812 9025 TIME...MOT...LOC 0315Z 252DEG 36KT 3858 9025 3838 9038 3822 9045 3814 9044 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Delia