468   
NWUS55 KTFX 190002  
LSRTFX  
  
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
502 PM MST THU DEC 18 2025  
   
.TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON  
   
.DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE.  
  
            ..REMARKS..  
  
0230 PM     HIGH SUST WINDS  3 NNE MONARCH           47.14N 110.82W  
12/17/2025  M43 MPH          CASCADE            MT   DEPT OF HIGHWAYS   
  
            MT DOT SENSOR MONARCH CANYON (MTMON)   
            MEASURED SUSTAINED WINDS AVERAGING 43 MPH   
            BETWEEN 1032 AM AND 230 PM.   
  
  
  
  
  
AM  
 
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