757  
WWUS85 KBYZ 161350  
SPSBYZ  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
650 AM MST TUE DEC 16 2025  
 
MTZ138-WYZ198-199-161545-  
SOUTHERN BIG HORN-NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-  
650 AM MST TUE DEC 16 2025  
 
...STRONG WINDS WILL AFFECT SOUTH CENTRAL BIG HORN AND CENTRAL  
SHERIDAN COUNTIES...  
 
AT 648 AM MST, MOUNTAIN WAVES IN THE LEE OF THE BIGHORNS WERE  
CREATING GUSTY AND ERRATIC WINDS OF 40 TO 60 MPH. EXPECT THE WINDS  
TO CONTINUE OVER THE NEXT COUPLE OF HOURS, BEFORE GRADUALLY  
DECREASING THROUGH THE MORNING.  
 
LOCATIONS IMPACTED INCLUDE...  
SHERIDAN, RANCHESTER, DAYTON, BIG HORN, PARKMAN, BANNER, STORY, AND  
WYOLA.  
 
GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND UNSECURED  
OBJECTS. STRONG CROSSWINDS COULD IMPACT TRAVEL.  
 
LAT...LON 4508 10766 4508 10767 4510 10718 4456 10663  
4456 10708  
TIME...MOT...LOC 1348Z 240DEG 49KT 4487 10690  
 

 
 
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