367  
NWUS55 KTFX 181834  
LSRTFX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1134 AM MST THU DEC 18 2025  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0455 PM HIGH SUST WINDS 14 E THE KNEES 48.02N 110.99W  
12/17/2025 M43 MPH CHOUTEAU MT MESONET  
 
AVERAGE SUSTAINED WIND SPEED OF 43 MPH FROM  
1050 TO 1655 LOCAL TIME. PEAK 1 HOUR AVERAGE  
SUSTAINED WIND SPEED OF 52 MPH FROM 1130 TO  
1230 LOCAL TIME.  
 

 
 

 
 
MOLDAN  
 
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