339  
WWUS55 KBYZ 140043  
SVSBYZ  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
643 PM MDT WED MAY 13 2026  
 
MTC009-095-140115-  
/O.CON.KBYZ.SV.W.0008.000000T0000Z-260514T0115Z/  
CARBON MT-STILLWATER MT-  
643 PM MDT WED MAY 13 2026  
 
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR  
CARBON AND SOUTHERN STILLWATER COUNTIES...  
 
AT 643 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM 25  
MILES SOUTH OF BIG TIMBER TO 7 MILES SOUTHWEST OF RED LODGE, MOVING  
NORTHEAST AT 20 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
LOCATIONS IMPACTED INCLUDE...  
RED LODGE, COLUMBUS, BRIDGER, JOLIET, FROMBERG, ABSAROKEE,  
BEARCREEK, COONEY RESERVOIR STATE PARK, FOX, ROBERTS, LUTHER,  
ROSCOE, WASHOE, FISHTAIL, BOYD, BELFRY, ALPINE, DEAN, EDGAR AND  
ROCKVALE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE AND STAY AWAY FROM  
WINDOWS. THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS.  
 
WIND DAMAGE WITH THESE STORMS WILL OCCUR BEFORE ANY RAIN OR  
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.  
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM  
WINDOWS.  
 
 
 
LAT...LON 4535 10993 4546 10993 4557 10970 4557 10969  
4559 10969 4561 10968 4561 10956 4568 10956  
4575 10945 4555 10880 4547 10870 4522 10870  
4501 10926 4500 10938 4500 10948 4520 10968  
TIME...MOT...LOC 0017Z 242DEG 17KT 4542 11001 4525 10970 4505 10949  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...0.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
MCKEOWN-ROBBIE  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MT Page
The Nexlab WY Page
Main Text Page