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Severe Thunderstorm Warning 0191
Issued by the Billings Forecast Office

Action Issued Starts Expiration
New 2025-07-26 18:56:50 2025-07-26 18:56:00 2025-07-26 20:00:00
Cancelled 2025-07-26 19:29:21 2025-07-26 20:00:00
Continued 2025-07-26 19:29:21 2025-07-26 20:00:00
Expired 2025-07-26 19:56:53 2025-07-26 20:00:00


Action: New
Issued At: 2025-07-26 18:56:50

476 
WUUS55 KBYZ 262356
SVRBYZ
MTC037-065-270100-
/O.NEW.KBYZ.SV.W.0191.250726T2356Z-250727T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Billings MT
556 PM MDT Sat Jul 26 2025

The National Weather Service in Billings has issued a

* Severe Thunderstorm Warning for...
  Northeastern Golden Valley County in central Montana...
  Musselshell County in central Montana...

* Until 700 PM MDT.

* At 556 PM MDT, severe thunderstorms were located along a line from 
  20 miles northwest of Roundup to 17 miles southwest of Roundup, 
  moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind
           damage to roofs, siding, and trees.

* Locations impacted include...
  Roundup, Musselshell, Lavina and Klein.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. These storms are capable of producing damaging winds and 
large hail.

&&

LAT...LON 4624 10878 4623 10898 4642 10899 4661 10916
      4675 10874 4675 10816 4662 10808 4626 10803
      4626 10832 4625 10832
TIME...MOT...LOC 2354Z 228DEG 24KT 4660 10891 4647 10880 4630 10882

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

WMR


Action: Cancelled
Issued At: 2025-07-26 19:29:21

601 
WWUS55 KBYZ 270029
SVSBYZ

Severe Weather Statement
National Weather Service Billings MT
629 PM MDT Sat Jul 26 2025

MTC037-270039-
/O.CAN.KBYZ.SV.W.0191.000000T0000Z-250727T0100Z/
Golden Valley MT-
629 PM MDT Sat Jul 26 2025

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN GOLDEN 
VALLEY COUNTY...

The storms which prompted the warning have moved out of the area. 
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM MDT 
Sunday for a portion of central Montana.

&&

LAT...LON 4675 10837 4675 10816 4662 10808 4626 10803
      4626 10832 4625 10832 4625 10856 4634 10870
      4648 10884 4668 10896 4675 10874
TIME...MOT...LOC 2356Z 228DEG 24KT 4661 10889 4649 10878 4631 10881

$$


MTC065-270100-
/O.CON.KBYZ.SV.W.0191.000000T0000Z-250727T0100Z/
Musselshell MT-
629 PM MDT Sat Jul 26 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 7 PM MDT FOR 
MUSSELSHELL COUNTY...

At 629 PM MDT, severe thunderstorms were located along a line from 
20 miles north of Roundup to near Roundup, moving northeast at 25 
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
         to roofs, siding, and trees.

Locations impacted include...
  Roundup, Musselshell and Klein.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. These storms are capable of producing damaging winds and 
large hail.

&&

LAT...LON 4675 10837 4675 10816 4662 10808 4626 10803
      4626 10832 4625 10832 4625 10856 4634 10870
      4648 10884 4668 10896 4675 10874
TIME...MOT...LOC 2356Z 235DEG 20KT 4661 10889 4649 10878 4631 10881

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

WMR


Action: Continued
Issued At: 2025-07-26 19:29:21

601 
WWUS55 KBYZ 270029
SVSBYZ

Severe Weather Statement
National Weather Service Billings MT
629 PM MDT Sat Jul 26 2025

MTC037-270039-
/O.CAN.KBYZ.SV.W.0191.000000T0000Z-250727T0100Z/
Golden Valley MT-
629 PM MDT Sat Jul 26 2025

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN GOLDEN 
VALLEY COUNTY...

The storms which prompted the warning have moved out of the area. 
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM MDT 
Sunday for a portion of central Montana.

&&

LAT...LON 4675 10837 4675 10816 4662 10808 4626 10803
      4626 10832 4625 10832 4625 10856 4634 10870
      4648 10884 4668 10896 4675 10874
TIME...MOT...LOC 2356Z 228DEG 24KT 4661 10889 4649 10878 4631 10881

$$


MTC065-270100-
/O.CON.KBYZ.SV.W.0191.000000T0000Z-250727T0100Z/
Musselshell MT-
629 PM MDT Sat Jul 26 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 7 PM MDT FOR 
MUSSELSHELL COUNTY...

At 629 PM MDT, severe thunderstorms were located along a line from 
20 miles north of Roundup to near Roundup, moving northeast at 25 
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
         to roofs, siding, and trees.

Locations impacted include...
  Roundup, Musselshell and Klein.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. These storms are capable of producing damaging winds and 
large hail.

&&

LAT...LON 4675 10837 4675 10816 4662 10808 4626 10803
      4626 10832 4625 10832 4625 10856 4634 10870
      4648 10884 4668 10896 4675 10874
TIME...MOT...LOC 2356Z 235DEG 20KT 4661 10889 4649 10878 4631 10881

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

WMR


Action: Expired
Issued At: 2025-07-26 19:56:53

271 
WWUS55 KBYZ 270056
SVSBYZ

Severe Weather Statement
National Weather Service Billings MT
656 PM MDT Sat Jul 26 2025

MTC065-270106-
/O.EXP.KBYZ.SV.W.0191.000000T0000Z-250727T0100Z/
Musselshell MT-
656 PM MDT Sat Jul 26 2025

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 7 PM MDT FOR 
MUSSELSHELL COUNTY...

The storms which prompted the warning have weakened below severe 
limits. Therefore, the warning will be allowed to expire. However, 
small hail and gusty winds are still possible with these 
thunderstorms.

&&

LAT...LON 4675 10837 4675 10816 4662 10808 4626 10803
      4626 10832 4625 10832 4625 10856 4634 10870
      4648 10884 4668 10896 4675 10874
TIME...MOT...LOC 0029Z 235DEG 20KT 4672 10866 4659 10855 4641 10858

$$

WMR



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