273  
NWUS55 KTFX 111837  
LSRTFX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1137 AM MST THU DEC 11 2025  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
1136 AM RAIN 17 WSW BYNUM 47.87N 112.63W  
12/11/2025 M0.75 INCH TETON MT TRAINED SPOTTER  
 
TOTAL ACCUMULATION OVERNIGHT.  
 

 
 

 
 
JTG  
 
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