800 
WUUS55 KBYZ 290514
SVRBYZ
MTC003-111-290615-
/O.NEW.KBYZ.SV.W.0209.250729T0514Z-250729T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Billings MT
1114 PM MDT Mon Jul 28 2025

The National Weather Service in Billings has issued a

* Severe Thunderstorm Warning for...
  North Central Big Horn County in south central Montana...
  Central Yellowstone County in south central Montana...

* Until 1215 AM MDT.

* At 1114 PM MDT, a cluster of severe thunderstorms was centered 9 
  miles south of Ballantine, or 17 miles east of Billings, moving 
  east at 20 mph.

  HAZARD...Golf ball size hail.

  SOURCE...Trained spotters reported hail up to golf ball size
           near Billings with these storms.

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

* Locations impacted include...
  Hardin, Ballantine, Worden, Huntley, Shepherd, Lockwood, Pompeys 
  Pillar and Crow Indian Reservation.

This includes portions of I-90 from Billings to Hardin, and I-94 
from Billings to the Treasure county line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone outdoors should move to shelter inside a well-built structure 
and stay away from windows. This storm has produced dangerous hail.

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

Report severe weather to your nearest law enforcement agency or the 
National Weather Service office in Billings MT.



LAT...LON 4568 10841 4590 10844 4623 10773 4563 10754
TIME...MOT...LOC 0512Z 253DEG 17KT 4583 10818

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH



Chambers