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.



$$