WUUS53 KLSX 272014 SVRLSX ILC013-061-083-119-MOC183-189-272100- /O.NEW.KLSX.SV.W.0096.260427T2014Z-260427T2100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 314 PM CDT Mon Apr 27 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Southeastern Calhoun County in southwestern Illinois... Southern Greene County in southwestern Illinois... Jersey County in southwestern Illinois... Northwestern Madison County in southwestern Illinois... Northeastern Saint Charles County in east central Missouri... North Central Saint Louis County in east central Missouri... * Until 400 PM CDT. * At 314 PM CDT, a severe thunderstorm was located 9 miles north of St. Peters, or 8 miles northeast of St. Paul, moving east at 50 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... St. Peters, St. Charles, Hardin, Hazelwood, Bridgeton, Orchard Farms, Florissant, Grafton, Elsah, Portage Des Sioux, West Alton, Godfrey, Jerseyville, Alton, East Alton and Wood River. This includes the following State Parks... Pere Marquette State Park. This includes Interstate 70 in Missouri between exits 222 and 227. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. 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 900 PM CDT for portions of southwest Illinois and east central Missouri. && LAT...LON 3906 9071 3909 9068 3912 9069 3932 9027 3904 9015 3900 9014 3900 9013 3885 9006 3876 9063 3886 9064 3896 9068 3899 9068 TIME...MOT...LOC 2014Z 251DEG 43KT 3890 9062 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Elmore