479 

WWUS55 KTFX 171947

SQWTFX



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Snow Squall Warning

National Weather Service Great Falls MT

1247 PM MST Wed Dec 17 2025



MTC013-049-172015-

/O.NEW.KTFX.SQ.W.0005.251217T1947Z-251217T2015Z/

Lewis and Clark MT-Cascade MT-

1247 PM MST Wed Dec 17 2025



The National Weather Service in Great Falls has issued a



* Snow Squall Warning for...

  East central Lewis and Clark County in west central Montana...

  Cascade County in central Montana...



* Until 115 PM MST.



* At 1246 PM MST, a dangerous snow squall was located along a line

  extending from 7 miles east of Fort Shaw to 10 miles east of

  Lincoln, moving east at 110 mph.



  HAZARD...Intense bursts of heavy snow. Gusty winds leading to 

           blowing snow and visibility rapidly falling to less than 

           one-quarter mile. Wind gusts greater than 50 mph could 

           knock down tree limbs and blow around unsecured objects.



  SOURCE...Radar indicated.



  IMPACT...Travel will become difficult and potentially dangerous 

           within minutes.



This will impact Interstate 15 between Mid Canon and Sun Prairie, or 

between mile markers 219 and 286.



Locations impacted include...

Great Falls, Cascade, Belt, Black Eagle, Wolf Creek, Monarch, Sluice

Boxes State Park, Eden, Malmstrom Afb, Stockett, Tracy, First Peoples

Buffalo Jump State Park, Centerville, Tower Rock State Park,

Armington, Craig, Ulm, and Sand Coulee.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Reduce speed and turn on headlights! During snow squalls, the 

visibility may suddenly drop to near zero in whiteout conditions. 

This squall will bring stronger winds than what precede it!



&&



LAT...LON 4754 11158 4755 11090 4752 11077 4744 11076

      4744 11064 4736 11064 4736 11076 4730 11079

      4710 11077 4699 11095 4701 11108 4708 11108

      4709 11116 4701 11117 4700 11153 4692 11154

      4691 11165 4689 11161 4687 11164 4693 11253

TIME...MOT...LOC 1946Z 272DEG 93KT 4750 11166 4699 11246 



SNOW SQUALL...RADAR INDICATED



$$



Ludwig