584  
WWUS85 KTFX 122234  
SPSTFX  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
434 PM MDT WED AUG 12 2026  
 
MTZ317-320-321-122315-  
LITTLE BELT AND HIGHWOOD MOUNTAINS MT-  
BIG BELT, BRIDGER AND CASTLE MOUNTAINS MT-MEAGHER COUNTY VALLEYS MT-  
434 PM MDT WED AUG 12 2026  
 
...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL MEAGHER COUNTY  
THROUGH 515 PM MDT...  
 
AT 434 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 25  
MILES EAST OF WHITE SULPHUR SPRINGS, MOVING EAST AT 15 MPH.  
 
HAZARD...WIND GUSTS UP TO 40 MPH AND HALF INCH HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS. MINOR HAIL DAMAGE TO VEGETATION IS  
POSSIBLE.  
 
LOCATIONS IMPACTED INCLUDE...  
MARTINSDALE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 

 
 
LAT...LON 4641 11043 4658 11051 4666 11028 4643 11028  
TIME...MOT...LOC 2234Z 253DEG 12KT 4652 11037  
 
MAX HAIL SIZE...0.50 IN  
MAX WIND GUST...40 MPH  
 

 
 
AM  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page