217  
WUUS55 KTFX 280754  
SVRTFX  
MTC049-073-099-280900-  
/O.NEW.KTFX.SV.W.0011.260528T0754Z-260528T0900Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
154 AM MDT THU MAY 28 2026  
 
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTH CENTRAL LEWIS AND CLARK COUNTY IN WEST CENTRAL MONTANA...  
SOUTHEASTERN PONDERA COUNTY IN NORTH CENTRAL MONTANA...  
TETON COUNTY IN NORTH CENTRAL MONTANA...  
 
* UNTIL 300 AM MDT.  
 
* AT 154 AM MDT, A SEVERE THUNDERSTORM WAS LOCATED OVER CHOTEAU,  
MOVING NORTH AT 15 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
CHOTEAU, FAIRFIELD, BRADY, PISHKUN RESERVOIR, BYNUM, PENDROY, NILAN  
RESERVOIR, AND FARMINGTON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4764 11188 4743 11268 4816 11282 4813 11178  
TIME...MOT...LOC 0754Z 190DEG 12KT 4781 11215  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
IG  
 
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