WOUS64 KWNS 212253 WOU2 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 642 NWS STORM PREDICTION CENTER NORMAN OK 553 PM CDT WED AUG 21 2024 SEVERE THUNDERSTORM WATCH 642 REMAINS IN EFFECT UNTIL 1100 PM CDT FOR THE FOLLOWING LOCATIONS MTC011-017-025-065-075-087-103-220400- /O.CON.KWNS.SV.A.0642.000000T0000Z-240822T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE CARTER CUSTER FALLON MUSSELSHELL POWDER RIVER ROSEBUD TREASURE $$ SDC007-019-033-047-055-063-071-081-093-095-102-103-105-121-137- 220400- /O.CON.KWNS.SV.A.0642.000000T0000Z-240822T0400Z/ SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BENNETT BUTTE CUSTER FALL RIVER HAAKON HARDING JACKSON LAWRENCE MEADE MELLETTE OGLALA LAKOTA PENNINGTON PERKINS TODD ZIEBACH $$ ATTN...WFO...BYZ...UNR...