428  
WWUS55 KBYZ 272352  
SVSBYZ  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
552 PM MDT SAT JUN 27 2026  
 
MTC011-017-025-280030-  
/O.CON.KBYZ.SV.W.0072.000000T0000Z-260628T0030Z/  
CARTER MT-CUSTER MT-FALLON MT-  
552 PM MDT SAT JUN 27 2026  
 
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR  
NORTHEASTERN CARTER, EAST CENTRAL CUSTER AND FALLON COUNTIES...  
 
AT 552 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM  
MILL IRON TO ISMAY AND EAST TO THE DAKOTAS BORDER, MOVING NORTHEAST  
AT 30 MPH.  
 
HAZARD...TWO INCH HAIL AND 60 MPH WIND GUSTS. THE STRONGEST  
THUNDERSTORM WAS LOCATED EAST OF MILL IRON AT 550 PM MDT.  
 
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...  
BAKER, EKALAKA, PLEVNA, ISMAY, WILLARD, MEDICINE ROCKS STATE PARK,  
WEBSTER, WESTMORE, MILL IRON, OLLIE AND BELLTOWER.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THIS STORM IS CAPABLE OF PRODUCING DANGEROUS HAIL AND DAMAGING WINDS.  
 
TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. SEEK SHELTER  
IMMEDIATELY IN AN INTERIOR ROOM OF A WELL-BUILT STRUCTURE.  
 
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4654 10505 4654 10498 4657 10498 4657 10486  
4661 10486 4661 10473 4666 10473 4666 10461  
4669 10461 4667 10435 4664 10435 4664 10405  
4557 10404 4558 10438  
TIME...MOT...LOC 2331Z 229DEG 26KT 4620 10435  
 
TORNADO...POSSIBLE  
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...2.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
MATOS  
 
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