920 WOUS64 KWNS 232145 WOU0 BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 350 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 IS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-011-017-019-021-025-033-055-065-069-071-075-079-083-085- 087-091-103-105-109-111-240400- /O.NEW.KWNS.SV.A.0620.260823T2150Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN CARTER CUSTER DANIELS DAWSON FALLON GARFIELD MCCONE MUSSELSHELL PETROLEUM PHILLIPS POWDER RIVER PRAIRIE RICHLAND ROOSEVELT ROSEBUD SHERIDAN TREASURE VALLEY WIBAUX YELLOWSTONE $$ ATTN...WFO...BYZ...GGW...