930 

WWUS65 KBYZ 240101

WCNBYZ



WATCH COUNTY NOTIFICATION FOR WATCHES 617/620

NATIONAL WEATHER SERVICE BILLINGS MT

701 PM MDT SUN AUG 23 2026



MTC009-037-067-095-097-107-240215-

/O.EXP.KBYZ.SV.A.0617.000000T0000Z-260824T0100Z/



THE NATIONAL WEATHER SERVICE HAS ALLOWED SEVERE THUNDERSTORM

WATCH 617 TO EXPIRE FOR THE FOLLOWING AREAS



IN MONTANA THIS ALLOWS TO EXPIRE 6 COUNTIES



IN CENTRAL MONTANA



GOLDEN VALLEY         WHEATLAND             



IN SOUTH CENTRAL MONTANA



CARBON                PARK                  STILLWATER           

SWEET GRASS           



THIS INCLUDES THE CITIES OF ABSAROKEE, BIG TIMBER, BRIDGER, 

COLUMBUS, HARLOWTON, JOLIET, LAVINA, LIVINGSTON, RED LODGE, 

AND RYEGATE.



$$



MTC003-011-017-025-065-075-087-103-111-240400-

/O.CON.KBYZ.SV.A.0620.000000T0000Z-260824T0400Z/



SEVERE THUNDERSTORM WATCH 620 REMAINS VALID UNTIL 10 PM MDT THIS

EVENING FOR THE FOLLOWING AREAS



IN MONTANA THIS WATCH INCLUDES 9 COUNTIES



IN CENTRAL MONTANA



MUSSELSHELL           



IN SOUTH CENTRAL MONTANA



BIG HORN              YELLOWSTONE           



IN SOUTHEAST MONTANA



CARTER                CUSTER                FALLON               

POWDER RIVER          ROSEBUD               TREASURE             



THIS INCLUDES THE CITIES OF ASHLAND, BAKER, BILLINGS, BROADUS, 

COLSTRIP, CROW AGENCY, EKALAKA, FORSYTH, HARDIN, HYSHAM, 

LAME DEER, MILES CITY, AND ROUNDUP.



$$






037 

WWUS63 KBIS 240102

WCNBIS



WATCH COUNTY NOTIFICATION FOR WATCH 621

NATIONAL WEATHER SERVICE BISMARCK ND

802 PM CDT SUN AUG 23 2026



NDC007-033-053-087-240215-

/O.CAN.KBIS.SV.A.0621.000000T0000Z-260824T0300Z/



THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM

WATCH 621 FOR THE FOLLOWING AREAS



IN NORTH DAKOTA THIS CANCELS 4 COUNTIES



IN NORTHWEST NORTH DAKOTA



MCKENZIE              



IN SOUTHWEST NORTH DAKOTA



BILLINGS              GOLDEN VALLEY         SLOPE                



THIS INCLUDES THE CITIES OF BEACH, FAIRFIELD, MARMARTH, MEDORA, 

AND WATFORD CITY.



$$



NDC001-011-025-037-041-057-059-065-085-089-240300-

/O.CON.KBIS.SV.A.0621.000000T0000Z-260824T0300Z/



SEVERE THUNDERSTORM WATCH 621 REMAINS VALID UNTIL 10 PM CDT /9 PM

MDT/ THIS EVENING FOR THE FOLLOWING AREAS



IN NORTH DAKOTA THIS WATCH INCLUDES 10 COUNTIES



IN SOUTH CENTRAL NORTH DAKOTA



GRANT                 MERCER                MORTON               

OLIVER                SIOUX                 



IN SOUTHWEST NORTH DAKOTA



ADAMS                 BOWMAN                DUNN                 

HETTINGER             STARK                 



THIS INCLUDES THE CITIES OF BEULAH, BOWMAN, CARSON, CENTER, 

DICKINSON, ELGIN, FORT YATES, HALLIDAY, HAZEN, HETTINGER, 

KILLDEER, MANDAN, MOTT, NEW ENGLAND, NEW LEIPZIG, SELFRIDGE, 

AND SOLEN.



$$






919 

WWUS65 KCYS 240117

WCNCYS



WATCH COUNTY NOTIFICATION FOR WATCH 618

NATIONAL WEATHER SERVICE CHEYENNE WY

717 PM MDT SUN AUG 23 2026



NEC013-045-123-240230-

/O.CAN.KCYS.SV.A.0618.000000T0000Z-260824T0200Z/



THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM

WATCH 618 FOR THE FOLLOWING AREAS



IN NEBRASKA THIS CANCELS 3 COUNTIES



IN PANHANDLE NEBRASKA



BOX BUTTE             DAWES                 MORRILL              



THIS INCLUDES THE CITIES OF ALLIANCE, ANGORA, BAYARD, BRIDGEPORT,

CHADRON, CHADRON ST PARK, HEMINGFORD, AND REDINGTON.



$$






969 

WWUS63 KLBF 240119

WCNLBF



WATCH COUNTY NOTIFICATION FOR WATCH 618

NATIONAL WEATHER SERVICE NORTH PLATTE NE

819 PM CDT SUN AUG 23 2026



NEC031-069-075-161-240230-

/O.CAN.KLBF.SV.A.0618.000000T0000Z-260824T0200Z/



THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM

WATCH 618 FOR THE FOLLOWING AREAS



IN NEBRASKA THIS CANCELS 4 COUNTIES



IN NORTH CENTRAL NEBRASKA



CHERRY                



IN PANHANDLE NEBRASKA



GARDEN                SHERIDAN              



IN WEST CENTRAL NEBRASKA



GRANT                 



THIS INCLUDES THE CITIES OF GORDON, HYANNIS, LEWELLEN, OSHKOSH, 

RUSHVILLE, AND VALENTINE.



$$






347 

WWUS63 KBIS 240129

WCNBIS



WATCH COUNTY NOTIFICATION FOR WATCH 621

NATIONAL WEATHER SERVICE BISMARCK ND

829 PM CDT SUN AUG 23 2026



NDC011-240230-

/O.CAN.KBIS.SV.A.0621.000000T0000Z-260824T0300Z/



THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM

WATCH 621 FOR THE FOLLOWING AREAS



IN NORTH DAKOTA THIS CANCELS 1 COUNTY



IN SOUTHWEST NORTH DAKOTA



BOWMAN                



THIS INCLUDES THE CITIES OF BOWMAN.



$$



NDC001-025-037-041-057-059-065-085-089-240300-

/O.CON.KBIS.SV.A.0621.000000T0000Z-260824T0300Z/



SEVERE THUNDERSTORM WATCH 621 REMAINS VALID UNTIL 10 PM CDT /9 PM

MDT/ THIS EVENING FOR THE FOLLOWING AREAS



IN NORTH DAKOTA THIS WATCH INCLUDES 9 COUNTIES



IN SOUTH CENTRAL NORTH DAKOTA



GRANT                 MERCER                MORTON               

OLIVER                SIOUX                 



IN SOUTHWEST NORTH DAKOTA



ADAMS                 DUNN                  HETTINGER            

STARK                 



THIS INCLUDES THE CITIES OF BEULAH, CARSON, CENTER, DICKINSON, 

ELGIN, FORT YATES, HALLIDAY, HAZEN, HETTINGER, KILLDEER, MANDAN, 

MOTT, NEW ENGLAND, NEW LEIPZIG, SELFRIDGE, AND SOLEN.



$$






728 

WWUS63 KUNR 240140

WCNUNR



WATCH COUNTY NOTIFICATION FOR WATCH 618

NATIONAL WEATHER SERVICE RAPID CITY SD

740 PM MDT SUN AUG 23 2026



SDC019-063-093-105-240400-

/O.EXT.KUNR.SV.A.0618.000000T0000Z-260824T0400Z/



SEVERE THUNDERSTORM WATCH 618, PREVIOUSLY IN EFFECT UNTIL 8 PM

MDT THIS EVENING, IS NOW IN EFFECT UNTIL 10 PM MDT THIS EVENING

FOR THE FOLLOWING AREAS



IN SOUTH DAKOTA THIS WATCH INCLUDES 4 COUNTIES



IN NORTHWEST SOUTH DAKOTA



BUTTE                 HARDING               PERKINS              



IN WEST CENTRAL SOUTH DAKOTA



MEADE                 



THIS INCLUDES THE CITIES OF BISON, BUFFALO, 

DOWNTOWN BELLE FOURCHE, FAITH, LEMMON, STURGIS, AND UNION CENTER.



$$