WOUS64 KWNS 210003 WOU1 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 641 NWS STORM PREDICTION CENTER NORMAN OK 603 PM MDT TUE AUG 20 2024 SEVERE THUNDERSTORM WATCH 641 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-005-007-009-013-015-027-031-033-037-041-043-045-049-057- 059-065-067-069-071-087-095-097-103-105-107-111-210400- /O.CON.KWNS.SV.A.0641.000000T0000Z-240821T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN BLAINE BROADWATER CARBON CASCADE CHOUTEAU FERGUS GALLATIN GARFIELD GOLDEN VALLEY HILL JEFFERSON JUDITH BASIN LEWIS AND CLARK MADISON MEAGHER MUSSELSHELL PARK PETROLEUM PHILLIPS ROSEBUD STILLWATER SWEET GRASS TREASURE VALLEY WHEATLAND YELLOWSTONE $$ ATTN...WFO...BYZ...TFX...GGW...