777 WOUS64 KWNS 232303 WOU7 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 617 NWS STORM PREDICTION CENTER NORMAN OK 503 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 617 REMAINS IN EFFECT UNTIL 700 PM MDT FOR THE FOLLOWING LOCATIONS MTC005-009-027-031-037-057-067-095-097-107-240100- /O.CON.KWNS.SV.A.0617.000000T0000Z-260824T0100Z/ MT . MONTANA COUNTIES INCLUDED ARE BLAINE CARBON FERGUS GALLATIN GOLDEN VALLEY MADISON PARK STILLWATER SWEET GRASS WHEATLAND $$ ATTN...WFO...TFX...BYZ...  778 WOUS64 KWNS 232303 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 618 NWS STORM PREDICTION CENTER NORMAN OK 503 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 618 REMAINS IN EFFECT UNTIL 800 PM MDT FOR THE FOLLOWING LOCATIONS NEC013-031-045-069-075-123-161-240200- /O.CON.KWNS.SV.A.0618.000000T0000Z-260824T0200Z/ NE . NEBRASKA COUNTIES INCLUDED ARE BOX BUTTE CHERRY DAWES GARDEN GRANT MORRILL SHERIDAN $$ SDC007-019-033-047-055-063-071-081-093-102-103-105-240200- /O.CON.KWNS.SV.A.0618.000000T0000Z-260824T0200Z/ SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BENNETT BUTTE CUSTER FALL RIVER HAAKON HARDING JACKSON LAWRENCE MEADE OGLALA LAKOTA PENNINGTON PERKINS $$ ATTN...WFO...CYS...LBF...UNR...  538 WOUS64 KWNS 232313 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 513 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-011-017-019-021-025-033-055-065-069-071-075-079-083-085- 087-091-103-105-109-111-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN CARTER CUSTER DANIELS DAWSON FALLON GARFIELD MCCONE MUSSELSHELL PETROLEUM PHILLIPS POWDER RIVER PRAIRIE RICHLAND ROOSEVELT ROSEBUD SHERIDAN TREASURE VALLEY WIBAUX YELLOWSTONE $$ ATTN...WFO...BYZ...GGW...  024 WOUS64 KWNS 232323 WOU9 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 619 NWS STORM PREDICTION CENTER NORMAN OK 523 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 619 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS IDC005-007-011-019-029-031-041-071-077-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ ID . IDAHO COUNTIES INCLUDED ARE BANNOCK BEAR LAKE BINGHAM BONNEVILLE CARIBOU CASSIA FRANKLIN ONEIDA POWER $$ UTC003-005-011-029-033-035-043-045-049-051-057-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ UT . UTAH COUNTIES INCLUDED ARE BOX ELDER CACHE DAVIS MORGAN RICH SALT LAKE SUMMIT TOOELE UTAH WASATCH WEBER $$ WYC041-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ WY . WYOMING COUNTIES INCLUDED ARE UINTA $$ ATTN...WFO...PIH...SLC...  026 WOUS64 KWNS 232323 WOU1 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 621 NWS STORM PREDICTION CENTER NORMAN OK 523 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 621 REMAINS IN EFFECT UNTIL 900 PM MDT FOR THE FOLLOWING LOCATIONS NDC001-007-011-025-033-037-041-053-057-059-065-085-087-089- 240300- /O.CON.KWNS.SV.A.0621.000000T0000Z-260824T0300Z/ ND . NORTH DAKOTA COUNTIES INCLUDED ARE ADAMS BILLINGS BOWMAN DUNN GOLDEN VALLEY GRANT HETTINGER MCKENZIE MERCER MORTON OLIVER SIOUX SLOPE STARK $$ ATTN...WFO...BIS...  609 WOUS64 KWNS 232333 WOU7 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 617 NWS STORM PREDICTION CENTER NORMAN OK 533 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 617 REMAINS IN EFFECT UNTIL 700 PM MDT FOR THE FOLLOWING LOCATIONS MTC005-009-027-031-037-057-067-095-097-107-240100- /O.CON.KWNS.SV.A.0617.000000T0000Z-260824T0100Z/ MT . MONTANA COUNTIES INCLUDED ARE BLAINE CARBON FERGUS GALLATIN GOLDEN VALLEY MADISON PARK STILLWATER SWEET GRASS WHEATLAND $$ ATTN...WFO...TFX...BYZ...  610 WOUS64 KWNS 232333 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 618 NWS STORM PREDICTION CENTER NORMAN OK 533 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 618 REMAINS IN EFFECT UNTIL 800 PM MDT FOR THE FOLLOWING LOCATIONS NEC013-031-045-069-075-123-161-240200- /O.CON.KWNS.SV.A.0618.000000T0000Z-260824T0200Z/ NE . NEBRASKA COUNTIES INCLUDED ARE BOX BUTTE CHERRY DAWES GARDEN GRANT MORRILL SHERIDAN $$ SDC007-019-033-047-055-063-071-081-093-102-103-105-240200- /O.CON.KWNS.SV.A.0618.000000T0000Z-260824T0200Z/ SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BENNETT BUTTE CUSTER FALL RIVER HAAKON HARDING JACKSON LAWRENCE MEADE OGLALA LAKOTA PENNINGTON PERKINS $$ ATTN...WFO...CYS...LBF...UNR...  999 WOUS64 KWNS 232343 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 543 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-011-017-019-021-025-033-055-065-069-071-075-079-083-085- 087-091-103-105-109-111-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN CARTER CUSTER DANIELS DAWSON FALLON GARFIELD MCCONE MUSSELSHELL PETROLEUM PHILLIPS POWDER RIVER PRAIRIE RICHLAND ROOSEVELT ROSEBUD SHERIDAN TREASURE VALLEY WIBAUX YELLOWSTONE $$ ATTN...WFO...BYZ...GGW...  555 WOUS64 KWNS 232353 WOU9 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 619 NWS STORM PREDICTION CENTER NORMAN OK 553 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 619 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS IDC005-007-011-019-029-031-041-071-077-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ ID . IDAHO COUNTIES INCLUDED ARE BANNOCK BEAR LAKE BINGHAM BONNEVILLE CARIBOU CASSIA FRANKLIN ONEIDA POWER $$ UTC003-005-011-029-033-035-043-045-049-051-057-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ UT . UTAH COUNTIES INCLUDED ARE BOX ELDER CACHE DAVIS MORGAN RICH SALT LAKE SUMMIT TOOELE UTAH WASATCH WEBER $$ WYC041-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ WY . WYOMING COUNTIES INCLUDED ARE UINTA $$ ATTN...WFO...PIH...SLC...  556 WOUS64 KWNS 232353 WOU1 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 621 NWS STORM PREDICTION CENTER NORMAN OK 553 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 621 REMAINS IN EFFECT UNTIL 900 PM MDT FOR THE FOLLOWING LOCATIONS NDC001-007-011-025-033-037-041-053-057-059-065-085-087-089- 240300- /O.CON.KWNS.SV.A.0621.000000T0000Z-260824T0300Z/ ND . NORTH DAKOTA COUNTIES INCLUDED ARE ADAMS BILLINGS BOWMAN DUNN GOLDEN VALLEY GRANT HETTINGER MCKENZIE MERCER MORTON OLIVER SIOUX SLOPE STARK $$ ATTN...WFO...BIS...