299 WOUS64 KWNS 240303 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 903 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-011-017-019-021-025-033-055-069-071-075-079-083-085-087- 091-103-105-109-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN CARTER CUSTER DANIELS DAWSON FALLON GARFIELD MCCONE PETROLEUM PHILLIPS POWDER RIVER PRAIRIE RICHLAND ROOSEVELT ROSEBUD SHERIDAN TREASURE VALLEY WIBAUX $$ ATTN...WFO...BYZ...GGW...  953 WOUS64 KWNS 240313 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 618 NWS STORM PREDICTION CENTER NORMAN OK 913 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 618 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS SDC019-063-093-105-240400- /O.CON.KWNS.SV.A.0618.000000T0000Z-260824T0400Z/ SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BUTTE HARDING MEADE PERKINS $$ ATTN...WFO...UNR...  249 WOUS64 KWNS 240323 WOU9 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 619 NWS STORM PREDICTION CENTER NORMAN OK 923 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 619 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS UTC003-005-011-029-033-035-043-057-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ UT . UTAH COUNTIES INCLUDED ARE BOX ELDER CACHE DAVIS MORGAN RICH SALT LAKE SUMMIT WEBER $$ WYC041-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ WY . WYOMING COUNTIES INCLUDED ARE UINTA $$ ATTN...WFO...SLC...  266 WOUS64 KWNS 240323 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 923 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-011-017-019-021-025-033-055-075-079-083-085-087-091-103- 109-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN CARTER CUSTER DANIELS DAWSON FALLON GARFIELD MCCONE POWDER RIVER PRAIRIE RICHLAND ROOSEVELT ROSEBUD SHERIDAN TREASURE WIBAUX $$ ATTN...WFO...BYZ...GGW...  869 WOUS64 KWNS 240343 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 618 NWS STORM PREDICTION CENTER NORMAN OK 943 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 618 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS SDC019-063-093-105-240400- /O.CON.KWNS.SV.A.0618.000000T0000Z-260824T0400Z/ SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BUTTE HARDING MEADE PERKINS $$ ATTN...WFO...UNR...  888 WOUS64 KWNS 240343 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 943 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC019-021-033-055-079-083-085-091-109-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE DANIELS DAWSON GARFIELD MCCONE PRAIRIE RICHLAND ROOSEVELT SHERIDAN WIBAUX $$ ATTN...WFO...GGW...  271 WOUS64 KWNS 240353 WOU9 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 619 NWS STORM PREDICTION CENTER NORMAN OK 953 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 619 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS UTC003-005-011-029-033-035-043-057-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ UT . UTAH COUNTIES INCLUDED ARE BOX ELDER CACHE DAVIS MORGAN RICH SALT LAKE SUMMIT WEBER $$ WYC041-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ WY . WYOMING COUNTIES INCLUDED ARE UINTA $$ ATTN...WFO...SLC...  279 WOUS64 KWNS 240353 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 953 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC091-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE SHERIDAN $$ ATTN...WFO...GGW...