WOUS64 KWNS 190443 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 228 NWS STORM PREDICTION CENTER NORMAN OK 1143 PM CDT MON MAY 18 2026 SEVERE THUNDERSTORM WATCH 228 REMAINS IN EFFECT UNTIL 400 AM CDT FOR THE FOLLOWING LOCATIONS IAC055-087-095-101-103-107-111-113-177-183-190900- /O.CON.KWNS.SV.A.0228.000000T0000Z-260519T0900Z/ IA . IOWA COUNTIES INCLUDED ARE DELAWARE HENRY IOWA JEFFERSON JOHNSON KEOKUK LEE LINN VAN BUREN WASHINGTON $$ MOC007-019-027-045-051-103-111-127-135-137-173-199-205-190900- /O.CON.KWNS.SV.A.0228.000000T0000Z-260519T0900Z/ MO . MISSOURI COUNTIES INCLUDED ARE AUDRAIN BOONE CALLAWAY CLARK COLE KNOX LEWIS MARION MONITEAU MONROE RALLS SCOTLAND SHELBY $$ ATTN...WFO...DVN...LSX...