WUUS53 KLSX 181237 SVRLSX ILC013-061-149-181315- /O.NEW.KLSX.SV.W.0151.260518T1237Z-260518T1315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 737 AM CDT Mon May 18 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... North Central Calhoun County in southwestern Illinois... Central Greene County in southwestern Illinois... Southeastern Pike County in west central Illinois... * Until 815 AM CDT. * At 737 AM CDT, a severe thunderstorm was located 6 miles east of Belleview, or 15 miles west of White Hall, moving northeast at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Belleview, Mozier, Nebo, Beecreek, Pearl, Haypress, Bedford, Hillview, Walkersville, Montezuma, Carrollton, Patterson, Belltown, Berdan, White Hall, Barrow and Roodhouse. 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. && LAT...LON 3940 9081 3945 9083 3956 9058 3954 9057 3953 9058 3952 9058 3952 9032 3923 9029 3923 9031 3922 9031 3918 9046 3938 9047 3929 9076 TIME...MOT...LOC 1236Z 244DEG 32KT 3938 9068 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Pfahler