971  
NWUS55 KTFX 181630  
LSRTFX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
930 AM MST THU DEC 18 2025  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0840 PM HIGH SUST WINDS 10 ESE WHITLASH 48.85N 111.04W  
12/17/2025 M55 MPH LIBERTY MT MESONET  
 
AVERAGE SUSTAINED WIND SPEED OF 55 MPH FROM  
1035 TO 2040 LOCAL TIME. PEAK 1 HOUR AVERAGE  
SUSTAINED WIND SPEED OF 67 MPH FROM 1700 TO  
1800 LOCAL TIME.  
 

 
 

 
 
MOLDAN  
 
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