078  
NWUS55 KTFX 181800  
LSRTFX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1100 AM MST THU DEC 18 2025  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON  
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.  
 
..REMARKS..  
 
0710 PM HIGH SUST WINDS 23 E WHITLASH 48.90N 110.75W  
12/17/2025 M46 MPH HILL MT MESONET  
 
CORRECTS PREVIOUS HIGH SUST WINDS REPORT  
FROM 23 E WHITLASH. AVERAGE SUSTAINED WIND  
SPEED OF 46 MPH FROM 1115 TO 1910 LOCAL  
TIME. PEAK 1 HOUR AVERAGE SUSTAINED WIND  
SPEED OF 59 MPH FROM 1545 TO 1645 LOCAL  
TIME.  
 
 
 
 
 
MOLDAN  
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