285  
WWUS55 KBYZ 160433  
SVSBYZ  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1033 PM MDT SUN JUN 15 2025  
 
MTC017-160443-  
/O.CAN.KBYZ.SV.W.0090.000000T0000Z-250616T0445Z/  
CUSTER MT-  
1033 PM MDT SUN JUN 15 2025  
 
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN CUSTER  
COUNTY...  
 
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.  
THEREFORE, THE WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM  
WARNING STILL REMAINS IN EFFECT FOR CUSTER COUNTY.  
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT  
SUNDAY FOR A PORTION OF SOUTHEAST MONTANA.  
 

 
 
LAT...LON 4526 10516 4562 10500 4579 10497 4579 10494  
4593 10494 4601 10493 4603 10465 4582 10456  
4565 10448 4525 10461  
TIME...MOT...LOC 0414Z 276DEG 30KT 4595 10503 4563 10492 4527 10514  
 

 
 
MTC011-075-160445-  
/O.CON.KBYZ.SV.W.0090.000000T0000Z-250616T0445Z/  
CARTER MT-POWDER RIVER MT-  
1033 PM MDT SUN JUN 15 2025  
 
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT  
FOR NORTHWESTERN CARTER AND EAST CENTRAL POWDER RIVER COUNTIES...  
 
AT 1033 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM  
13 MILES WEST OF EKALAKA TO 22 MILES NORTHEAST OF BIDDLE, OR ALONG A  
LINE FROM 13 MILES WEST OF EKALAKA TO 27 MILES SOUTHEAST OF BROADUS,  
MOVING EAST AT 35 MPH.  
 
HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE  
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES,  
ROOFS, AND OUTBUILDINGS.  
 
LOCATIONS IMPACTED INCLUDE...  
BOYES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
ANYONE OUTDOORS SHOULD MOVE TO SHELTER INSIDE A WELL-BUILT STRUCTURE  
AND STAY AWAY FROM WINDOWS. THESE STORMS ARE CAPABLE OF PRODUCING  
WIDESPREAD DAMAGING WINDS AND LARGE HAIL.  
 
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.  
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER, IF YOU CAN  
HEAR THUNDER, YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.  
 

 
 
LAT...LON 4526 10516 4562 10500 4579 10497 4579 10494  
4593 10494 4601 10493 4603 10465 4582 10456  
4565 10448 4525 10461  
TIME...MOT...LOC 0414Z 276DEG 30KT 4595 10503 4563 10492 4527 10514  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 

 
 
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