354  
NWUS55 KTFX 152045  
LSRTFX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
245 PM MDT FRI MAY 15 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON  
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.  
 
..REMARKS..  
 
0417 PM BLOWING DUST BIG SANDY 48.18N 110.11W  
05/13/2026 CHOUTEAU MT PUBLIC  
 
DELAYED REPORT: SOCIAL MEDIA RELAYED IMAGES  
OF THUNDERSTORM WINDS LIFTING BLOWING DUST  
INTO THE AIR, CAUSING POOR VISIBILITY DUE TO  
THE DUST.  
 
 
 
 
 
ACW  
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