581 
WUUS55 KBYZ 292252
SVRBYZ
MTC037-097-292345-
/O.NEW.KBYZ.SV.W.0220.250729T2252Z-250729T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Billings MT
452 PM MDT Tue Jul 29 2025

The National Weather Service in Billings has issued a

* Severe Thunderstorm Warning for...
  Southwestern Golden Valley County in central Montana...
  Northeastern Sweet Grass County in south central Montana...

* Until 545 PM MDT.

* At 452 PM MDT, a severe thunderstorm was located 13 miles 
  northeast of Big Timber, moving northeast at 20 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect
           hail damage to roofs, siding, windows, and vehicles.
           Expect wind damage to roofs, siding, and trees.

* Locations impacted include...
  Mainly rural areas of Southwestern Golden Valley and Northeastern 
  Sweet Grass Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds and large 
hail.

Torrential rainfall is also occurring with this storm and may lead 
to flash flooding. Do not drive your vehicle through flooded 
roadways.

&&

LAT...LON 4604 10949 4585 10962 4591 10993 4622 10975
      4621 10938
TIME...MOT...LOC 2252Z 204DEG 18KT 4597 10976

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Archer

360 
WWUS55 KBYZ 292313
SVSBYZ

Severe Weather Statement
National Weather Service Billings MT
513 PM MDT Tue Jul 29 2025

MTC037-097-292345-
/O.CON.KBYZ.SV.W.0220.000000T0000Z-250729T2345Z/
Golden Valley MT-Sweet Grass MT-
513 PM MDT Tue Jul 29 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT 
FOR SOUTHWESTERN GOLDEN VALLEY AND NORTHEASTERN SWEET GRASS 
COUNTIES...

At 513 PM MDT, a severe thunderstorm was located 20 miles northeast 
of Big Timber, moving northeast at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
         damage to roofs, siding, windows, and vehicles. Expect
         wind damage to roofs, siding, and trees.

Locations impacted include...
  Mainly rural areas of Southwestern Golden Valley and Northeastern 
  Sweet Grass Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds and large 
hail.

Torrential rainfall is also occurring with this storm and may lead 
to flash flooding. Do not drive your vehicle through flooded 
roadways.

&&

LAT...LON 4604 10949 4585 10962 4591 10993 4622 10975
      4621 10938
TIME...MOT...LOC 2252Z 204DEG 18KT 4597 10976

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Archer

983 
WWUS55 KBYZ 292337
SVSBYZ

Severe Weather Statement
National Weather Service Billings MT
537 PM MDT Tue Jul 29 2025

MTC037-097-292347-
/O.EXP.KBYZ.SV.W.0220.000000T0000Z-250729T2345Z/
Golden Valley MT-Sweet Grass MT-
537 PM MDT Tue Jul 29 2025

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 545 PM MDT FOR 
SOUTHWESTERN GOLDEN VALLEY AND NORTHEASTERN SWEET GRASS COUNTIES...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning will be allowed to expire. However, small 
hail and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Warning still remains in effect for Sweet 
Grass county through 630 PM MDT.

&&

LAT...LON 4604 10949 4585 10962 4591 10993 4622 10975
      4621 10938
TIME...MOT...LOC 2313Z 204DEG 18KT 4607 10969

$$

Archer