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Wednesday, Jul 30, 2025 19:00:28

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Severe Thunderstorm Watch 0556
Issued by the Billings Forecast Office

Action Issued Starts Expiration
New 2025-07-29 15:29:41 2025-07-29 15:29:00 2025-07-29 22:00:00
Area Extended 2025-07-29 17:00:28 2025-07-29 22:00:00
Continued 2025-07-29 17:00:28 2025-07-29 22:00:00
Continued 2025-07-29 18:29:30 2025-07-29 22:00:00
Area Extended 2025-07-29 18:29:30 2025-07-29 22:00:00
Time Extended 2025-07-29 21:56:07 2025-07-29 23:00:00
Cancelled 2025-07-29 21:56:07 2025-07-29 22:00:00
Cancelled 2025-07-29 22:56:38 2025-07-29 23:00:00


Action: New
Issued At: 2025-07-29 15:29:41

174 
WWUS65 KBYZ 292029
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
229 PM MDT TUE JUL 29 2025

MTC003-009-037-065-067-087-095-097-103-107-111-WYC033-300300-
/O.NEW.KBYZ.SV.A.0556.250729T2029Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
556 IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 11 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

ROSEBUD               TREASURE              

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BIG TIMBER, 
BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, FORSYTH, 
HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, LIVINGSTON,
RED LODGE, ROUNDUP, RYEGATE, AND SHERIDAN.

$$


Action: Area Extended
Issued At: 2025-07-29 17:00:28

075 
WWUS65 KBYZ 292159
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
359 PM MDT TUE JUL 29 2025

MTC017-300300-
/O.EXA.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 556 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM MDT THIS
EVENING

IN MONTANA THIS WATCH INCLUDES 1 COUNTY

IN SOUTHEAST MONTANA

CUSTER                

THIS INCLUDES THE CITIES OF MILES CITY.

$$

MTC003-009-037-065-067-087-095-097-103-107-111-WYC033-300300-
/O.CON.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 11 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

ROSEBUD               TREASURE              

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BIG TIMBER, 
BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, FORSYTH, 
HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, LIVINGSTON,
RED LODGE, ROUNDUP, RYEGATE, AND SHERIDAN.

$$


Action: Continued
Issued At: 2025-07-29 17:00:28

075 
WWUS65 KBYZ 292159
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
359 PM MDT TUE JUL 29 2025

MTC017-300300-
/O.EXA.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 556 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM MDT THIS
EVENING

IN MONTANA THIS WATCH INCLUDES 1 COUNTY

IN SOUTHEAST MONTANA

CUSTER                

THIS INCLUDES THE CITIES OF MILES CITY.

$$

MTC003-009-037-065-067-087-095-097-103-107-111-WYC033-300300-
/O.CON.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 11 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

ROSEBUD               TREASURE              

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BIG TIMBER, 
BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, FORSYTH, 
HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, LIVINGSTON,
RED LODGE, ROUNDUP, RYEGATE, AND SHERIDAN.

$$


Action: Continued
Issued At: 2025-07-29 18:29:30

823 
WWUS65 KBYZ 292328
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
528 PM MDT TUE JUL 29 2025

MTC011-025-075-300300-
/O.EXA.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 556 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM MDT THIS
EVENING

IN MONTANA THIS WATCH INCLUDES 3 COUNTIES

IN SOUTHEAST MONTANA

CARTER                FALLON                POWDER RIVER         

THIS INCLUDES THE CITIES OF BAKER, BROADUS, AND EKALAKA.

$$

MTC003-009-017-037-065-067-087-095-097-103-107-111-WYC033-300300-
/O.CON.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 12 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

CUSTER                ROSEBUD               TREASURE             

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BIG TIMBER, 
BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, FORSYTH, 
HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, LIVINGSTON,
MILES CITY, RED LODGE, ROUNDUP, RYEGATE, AND SHERIDAN.

$$


Action: Area Extended
Issued At: 2025-07-29 18:29:30

823 
WWUS65 KBYZ 292328
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
528 PM MDT TUE JUL 29 2025

MTC011-025-075-300300-
/O.EXA.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 556 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM MDT THIS
EVENING

IN MONTANA THIS WATCH INCLUDES 3 COUNTIES

IN SOUTHEAST MONTANA

CARTER                FALLON                POWDER RIVER         

THIS INCLUDES THE CITIES OF BAKER, BROADUS, AND EKALAKA.

$$

MTC003-009-017-037-065-067-087-095-097-103-107-111-WYC033-300300-
/O.CON.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 12 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

CUSTER                ROSEBUD               TREASURE             

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BIG TIMBER, 
BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, FORSYTH, 
HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, LIVINGSTON,
MILES CITY, RED LODGE, ROUNDUP, RYEGATE, AND SHERIDAN.

$$


Action: Time Extended
Issued At: 2025-07-29 21:56:07

841 
WWUS65 KBYZ 300255
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
855 PM MDT TUE JUL 29 2025

MTC003-009-017-025-037-065-067-087-095-097-103-107-111-300400-
/O.CAN.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN MONTANA THIS CANCELS 13 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

CUSTER                FALLON                ROSEBUD              
TREASURE              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BAKER, 
BIG TIMBER, BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, 
FORSYTH, HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, 
LIVINGSTON, MILES CITY, RED LODGE, ROUNDUP, AND RYEGATE.

$$

MTC011-075-WYC033-300400-
/O.EXT.KBYZ.SV.A.0556.000000T0000Z-250730T0400Z/

SEVERE THUNDERSTORM WATCH 556, PREVIOUSLY IN EFFECT UNTIL 9 PM
MDT THIS EVENING, IS NOW IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 2 COUNTIES

IN SOUTHEAST MONTANA

CARTER                POWDER RIVER          

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF BROADUS, EKALAKA, AND SHERIDAN.

$$


Action: Cancelled
Issued At: 2025-07-29 21:56:07

841 
WWUS65 KBYZ 300255
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
855 PM MDT TUE JUL 29 2025

MTC003-009-017-025-037-065-067-087-095-097-103-107-111-300400-
/O.CAN.KBYZ.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN MONTANA THIS CANCELS 13 COUNTIES

IN CENTRAL MONTANA

GOLDEN VALLEY         MUSSELSHELL           WHEATLAND            

IN SOUTH CENTRAL MONTANA

BIG HORN              CARBON                PARK                 
STILLWATER            SWEET GRASS           YELLOWSTONE          

IN SOUTHEAST MONTANA

CUSTER                FALLON                ROSEBUD              
TREASURE              

THIS INCLUDES THE CITIES OF ABSAROKEE, ASHLAND, BAKER, 
BIG TIMBER, BILLINGS, BRIDGER, COLSTRIP, COLUMBUS, CROW AGENCY, 
FORSYTH, HARDIN, HARLOWTON, HYSHAM, JOLIET, LAME DEER, LAVINA, 
LIVINGSTON, MILES CITY, RED LODGE, ROUNDUP, AND RYEGATE.

$$

MTC011-075-WYC033-300400-
/O.EXT.KBYZ.SV.A.0556.000000T0000Z-250730T0400Z/

SEVERE THUNDERSTORM WATCH 556, PREVIOUSLY IN EFFECT UNTIL 9 PM
MDT THIS EVENING, IS NOW IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 2 COUNTIES

IN SOUTHEAST MONTANA

CARTER                POWDER RIVER          

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF BROADUS, EKALAKA, AND SHERIDAN.

$$


Action: Cancelled
Issued At: 2025-07-29 22:56:38

315 
WWUS65 KBYZ 300356
WCNBYZ

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE BILLINGS MT
956 PM MDT TUE JUL 29 2025

MTC011-075-WYC033-300500-
/O.CAN.KBYZ.SV.A.0556.000000T0000Z-250730T0400Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN MONTANA THIS CANCELS 2 COUNTIES

IN SOUTHEAST MONTANA

CARTER                POWDER RIVER          

IN WYOMING THIS CANCELS 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN              

THIS INCLUDES THE CITIES OF BROADUS, EKALAKA, AND SHERIDAN.

$$



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