787 WOUS64 KWNS 232203 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 618 NWS STORM PREDICTION CENTER NORMAN OK 403 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...  505 WOUS64 KWNS 232213 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 413 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 $$ ATTN...WFO...BYZ...GGW...  955 WOUS64 KWNS 232223 WOU7 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 617 NWS STORM PREDICTION CENTER NORMAN OK 423 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 617 REMAINS IN EFFECT UNTIL 700 PM MDT FOR THE FOLLOWING LOCATIONS MTC005-007-009-013-015-027-031-037-041-045-051-057-059-067-073- 095-097-099-101-107-240100- /O.CON.KWNS.SV.A.0617.000000T0000Z-260824T0100Z/ MT . MONTANA COUNTIES INCLUDED ARE BLAINE BROADWATER CARBON CASCADE CHOUTEAU FERGUS GALLATIN GOLDEN VALLEY HILL JUDITH BASIN LIBERTY MADISON MEAGHER PARK PONDERA STILLWATER SWEET GRASS TETON TOOLE WHEATLAND $$ ATTN...WFO...TFX...BYZ...  977 WOUS64 KWNS 232223 WOU1 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 621 NWS STORM PREDICTION CENTER NORMAN OK 423 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 $$ ATTN...WFO...BIS...  982 WOUS64 KWNS 232223 WOU9 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 619 NWS STORM PREDICTION CENTER NORMAN OK 423 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 619 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS IDC005-007-011-019-029-031-041-071-077-240400- /O.CON.KWNS.SV.A.0619.000000T0000Z-260824T0400Z/ ID . IDAHO COUNTIES INCLUDED ARE BANNOCK BEAR LAKE BINGHAM BONNEVILLE CARIBOU CASSIA FRANKLIN ONEIDA POWER $$ 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...  437 WOUS64 KWNS 232233 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 618 NWS STORM PREDICTION CENTER NORMAN OK 433 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...  438 WOUS64 KWNS 232233 WOU7 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 617 NWS STORM PREDICTION CENTER NORMAN OK 433 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 $$ ATTN...WFO...TFX...BYZ...  810 WOUS64 KWNS 232243 WOU0 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 620 NWS STORM PREDICTION CENTER NORMAN OK 443 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 620 REMAINS IN EFFECT UNTIL 1000 PM MDT FOR THE FOLLOWING LOCATIONS MTC003-011-017-019-021-025-033-055-065-069-071-075-079-083-085- 087-091-103-105-109-111-240400- /O.CON.KWNS.SV.A.0620.000000T0000Z-260824T0400Z/ MT . MONTANA COUNTIES INCLUDED ARE BIG HORN CARTER CUSTER DANIELS DAWSON FALLON GARFIELD MCCONE MUSSELSHELL PETROLEUM PHILLIPS POWDER RIVER PRAIRIE RICHLAND ROOSEVELT ROSEBUD SHERIDAN TREASURE VALLEY WIBAUX YELLOWSTONE $$ ATTN...WFO...BYZ...GGW...  240 WOUS64 KWNS 232253 WOU9 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 619 NWS STORM PREDICTION CENTER NORMAN OK 453 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 $$ ATTN...WFO...PIH...SLC...  241 WOUS64 KWNS 232253 WOU1 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 621 NWS STORM PREDICTION CENTER NORMAN OK 453 PM MDT SUN AUG 23 2026 SEVERE THUNDERSTORM WATCH 621 REMAINS IN EFFECT UNTIL 900 PM MDT FOR THE FOLLOWING LOCATIONS NDC001-007-011-025-033-037-041-053-057-059-065-085-087-089- 240300- /O.CON.KWNS.SV.A.0621.000000T0000Z-260824T0300Z/ ND . NORTH DAKOTA COUNTIES INCLUDED ARE ADAMS BILLINGS BOWMAN DUNN GOLDEN VALLEY GRANT HETTINGER MCKENZIE MERCER MORTON OLIVER SIOUX SLOPE STARK $$ ATTN...WFO...BIS...