107  
WWUS45 KTFX 310855  
WSWTFX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
255 AM MDT MON MAR 31 2025  
 
MTZ317-320-330-010000-  
/O.UPG.KTFX.WS.A.0011.250401T0000Z-250402T0600Z/  
/O.NEW.KTFX.WS.W.0009.250401T0000Z-250402T0600Z/  
LITTLE BELT AND HIGHWOOD MOUNTAINS-BIG BELT, BRIDGER AND CASTLE  
MOUNTAINS-GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL  
MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS: TRIDENT, BATTLE RIDGE PASS,  
MAUDLOW, NEIHART, KINGS HILL PASS, BIG SKY, DEEP CREEK PASS, WEST  
YELLOWSTONE, RAYNOLDS PASS, MONARCH, BOZEMAN PASS, AND TARGHEE  
PASS  
255 AM MDT MON MAR 31 2025  
 
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT  
MDT TUESDAY NIGHT...  
 
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND  
12 INCHES POSSIBLE.  
 
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS, LITTLE BELT AND  
HIGHWOOD MOUNTAINS, AND GALLATIN AND MADISON COUNTY MOUNTAINS AND  
CENTENNIAL MOUNTAINS.  
 
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT.  
 
* IMPACTS...TRAVEL COULD BE DIFFICULT.  
 
* ADDITIONAL DETAILS...THE HEAVIEST SNOWFALL IS MOST LIKELY TO OCCUR  
IN THE HIGHER TERRAIN, INCLUDING SOME OF THE MOUNTAIN PASSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS CAN  
BE OBTAINED BY CALLING 5 1 1 OR VISITING THE MDT ROAD REPORT WEBSITE.  
 
REMEMBER, A WINTER STORM WARNING MEANS THAT THERE IS AT LEAST AN 80%  
CHANCE OF IMPACTFUL WINTER WEATHER CONDITIONS DURING THE WARNING  
PERIOD.  
 

 
 

 
 
MTZ322-010000-  
/O.NEW.KTFX.WS.W.0009.250401T0000Z-250402T0600Z/  
ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS: BOULDER, ELK PARK PASS,  
CORBIN, WICKES, CLANCY, MONTANA CITY, AND HOMESTAKE PASS  
255 AM MDT MON MAR 31 2025  
 
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT  
MDT TUESDAY NIGHT...  
 
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND  
12 INCHES POSSIBLE. WINDS GUSTING AS HIGH AS 35 MPH.  
 
* WHERE...ELKHORN AND BOULDER MOUNTAINS.  
 
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS CAN  
BE OBTAINED BY CALLING 5 1 1 OR VISITING THE MDT ROAD REPORT WEBSITE.  
 
TO SEE A GRAPHICAL REPRESENTATION OF THE DEGREE OF STRESS ON YOUNG  
LIVESTOCK PLEASE VISIT OUR WEBPAGE AND SELECT LOCAL PROGRAMS THEN  
COLD AIR ADVISORY FOR NEWBORN LIVESTOCK.  
 

 
 

 
 
MTZ307-312>316-318-321-326-010000-  
/O.NEW.KTFX.WW.Y.0030.250401T0000Z-250402T0600Z/  
SOUTHERN ROCKY MOUNTAIN FRONT-CASCADE COUNTY BELOW 5000FT-JUDITH  
BASIN COUNTY AND JUDITH GAP-FERGUS COUNTY BELOW 4500FT-UPPER  
BLACKFOOT AND MACDONALD PASS-GATES OF THE MOUNTAINS-SNOWY AND  
JUDITH MOUNTAINS-MEAGHER COUNTY VALLEYS-GALLATIN VALLEY-  
INCLUDING THE FOLLOWING LOCATIONS: ROGERS PASS, CRAIG, RINGLING,  
GREAT FALLS, BOZEMAN, MARTINSDALE, RAYNESFORD, CHECKERBOARD,  
MARYSVILLE, LINCOLN, HILGER, WOLF CREEK, MOCCASIN, WINDHAM,  
GALLATIN GATEWAY, FLESHER PASS, HOBSON, GEYSER, MACDONALD PASS,  
WHITE SULPHUR SPRINGS, BENCHLAND, LEWISTOWN, STANFORD, AND CANYON  
CREEK  
255 AM MDT MON MAR 31 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO  
MIDNIGHT MDT TUESDAY NIGHT...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4  
INCHES, WITH ISOLATED HIGHER AMOUNTS POSSIBLE.  
 
* WHERE...PORTIONS OF CENTRAL, NORTH CENTRAL, AND SOUTHWEST MONTANA.  
 
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS  
COULD IMPACT THE MONDAY EVENING AND TUESDAY MORNING COMMUTES.  
 
* ADDITIONAL DETAILS...AN AREA OF HEAVY SNOW IS POSSIBLE WITH THIS  
SYSTEM, PARTICULARLY NORTH OF THE LITTLE BELT AND SNOWY MOUNTAINS  
INCLUDING LEWISTOWN AND GREAT FALLS. SHOULD THIS MATERIALIZE, SNOW  
AMOUNTS COULD EXCEED 6 INCHES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1 OR VISITING THE MDT ROAD  
REPORT WEBSITE.  
 
TO SEE A GRAPHICAL REPRESENTATION OF THE DEGREE OF STRESS ON YOUNG  
LIVESTOCK PLEASE VISIT OUR WEBPAGE AND SELECT LOCAL PROGRAMS THEN  
COLD AIR ADVISORY FOR NEWBORN LIVESTOCK.  
 

 
 

 
 
LUDWIG  
 
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