585  
WWUS45 KTFX 070854  
WSWTFX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
254 AM MDT TUE MAY 7 2024  
 
MTZ330-080000-  
/O.UPG.KTFX.WW.Y.0030.240508T0000Z-240509T0600Z/  
/O.EXB.KTFX.WS.W.0015.240508T0000Z-240509T0600Z/  
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS: BIG SKY, RAYNOLDS PASS, WEST  
YELLOWSTONE, AND TARGHEE PASS  
254 AM MDT TUE MAY 7 2024  
 
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT  
MDT WEDNESDAY NIGHT...  
 
* WHAT...HEAVY, WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 5  
INCHES AT LOWER ELEVATIONS, WITH 6 TO 16 INCHES OVER HIGHER  
TERRAIN. WINDS GUSTING AS HIGH AS 45 MPH.  
 
* WHERE...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL  
MOUNTAINS.  
 
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT WEDNESDAY NIGHT.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THOSE IN THE  
BACKCOUNTRY SHOULD ENSURE THEY HAVE APPROPRIATE KNOWLEDGE AND GEAR  
AND MAY WANT TO CONSIDER ALTERNATE PLANS. BLOWING SNOW COULD  
SIGNIFICANTLY REDUCE VISIBILITY AND THE COMBINATION OF HEAVY WET  
SNOW AND WINDS MAY CAUSE ISOLATED POWER OUTAGES.  
 
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.  
 

 
 

 
 
MTZ317-080000-  
/O.CON.KTFX.BZ.W.0001.240507T1800Z-240509T0600Z/  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS: NEIHART, MONARCH, AND KINGS  
HILL PASS  
254 AM MDT TUE MAY 7 2024  
 
...BLIZZARD WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT  
MDT WEDNESDAY NIGHT...  
 
* WHAT...BLIZZARD CONDITIONS EXPECTED. TOTAL SNOW ACCUMULATIONS  
BETWEEN 1 TO 2 FEET, WITH UP TO 3 FEET ON THE PEAKS. WINDS GUSTING  
AS HIGH AS 60 MPH.  
 
* WHERE...LITTLE BELT AND HIGHWOOD MOUNTAINS.  
 
* WHEN...FROM NOON TODAY TO MIDNIGHT MDT WEDNESDAY NIGHT.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE AND TIRE  
CHAINS MAY BE REQUIRED FOR SOME VEHICLES. THOSE IN THE BACKCOUNTRY  
SHOULD ENSURE THEY HAVE APPROPRIATE KNOWLEDGE AND GEAR AND MAY  
WANT TO CONSIDER ALTERNATE PLANS. WIDESPREAD BLOWING SNOW WILL  
SIGNIFICANTLY REDUCE VISIBILITY. STRONG WINDS COULD CAUSE  
EXTENSIVE DAMAGE TO TREES AND POWER LINES.  
 
* ADDITIONAL DETAILS...VISIBILITY WILL LIKELY BE WORST BETWEEN  
SLUICE BOXES STATE PARK AND MONARCH CANYON WHERE WINDS TEND TO BE  
STRONGEST.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TRAVEL SHOULD BE RESTRICTED TO EMERGENCIES ONLY. IF YOU MUST TRAVEL,  
HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH  
YOUR VEHICLE. 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.  
 

 
 

 
 
MTZ301-307-318-320-080000-  
/O.CON.KTFX.WS.W.0015.240507T1800Z-240509T0600Z/  
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-SNOWY AND  
JUDITH MOUNTAINS-BIG BELT, BRIDGER AND CASTLE MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS: MARIAS PASS, DEEP CREEK PASS,  
LOGAN PASS, TRIDENT, MAUDLOW, BATTLE RIDGE PASS, BOZEMAN PASS,  
EAST GLACIER PARK, BABB, ROGERS PASS, SAINT MARY, AND KIOWA  
254 AM MDT TUE MAY 7 2024  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO  
MIDNIGHT MDT WEDNESDAY NIGHT...  
 
* WHAT...HEAVY WET SNOW AND BLOWING SNOW EXPECTED. TOTAL SNOW  
ACCUMULATIONS BETWEEN 2 AND 5 IN VALLEYS AND ON FOOTHILLS, WITH 5  
TO 11 INCHES ON MOUNTAIN PASSES, AND 1 TO 2 FEET POSSIBLE ABOVE  
MOUNTAIN PASS LEVEL. WINDS GUSTING AS HIGH AS 65 MPH MAY CAUSE  
PERIODS OF WHITEOUT CONDITIONS.  
 
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT,  
SNOWY AND JUDITH MOUNTAINS, AND BIG BELT, BRIDGER AND CASTLE  
MOUNTAINS.  
 
* WHEN...FROM NOON TODAY TO MIDNIGHT MDT WEDNESDAY NIGHT.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT, AND TIRE CHAINS MAY BE  
REQUIRED FOR SOME VEHICLES. THOSE IN THE BACKCOUNTRY SHOULD ENSURE  
THEY HAVE APPROPRIATE KNOWLEDGE AND GEAR AND MAY WANT TO CONSIDER  
ALTERNATE PLANS. WIDESPREAD BLOWING SNOW COULD SIGNIFICANTLY  
REDUCE VISIBILITY. THE COMBINATION OF HEAVY WET SNOW AND STRONG  
WINDS COULD CAUSE EXTENSIVE DAMAGE TO TREES AND POWER LINES.  
 
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.  
 

 
 

 
 
MTZ304-311-080000-  
/O.EXT.KTFX.WW.Y.0030.240508T0000Z-240508T1200Z/  
EASTERN TOOLE AND LIBERTY-BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING THE FOLLOWING LOCATIONS: JOPLIN, LOTHAIR, ROCKY BOY,  
WHITLASH, CHESTER, DEVON, SHELBY, AND GALATA  
254 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 6  
AM MDT WEDNESDAY...  
 
* WHAT...WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 5 INCHES,  
WITH HIGHER AMOUNTS IN THE PEAKS OF THE BEARS PAW MOUNTAINS AND  
SWEETGRASS HILLS. WINDS GUSTING AS HIGH AS 60 MPH.  
 
* WHERE...EASTERN TOOLE AND LIBERTY COUNTIES, AND BEARS PAW  
MOUNTAINS AND SOUTHERN BLAINE COUNTY.  
 
* WHEN...FROM 6 PM THIS EVENING TO 6 AM MDT WEDNESDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. PERIODS OF BLOWING  
SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY. THE COMBINATION OF WET  
SNOW AND STRONG WINDS COULD CAUSE DAMAGE TO TREES AND POWER LINES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
USE CAUTION WHILE TRAVELING, ESPECIALLY IN OPEN AREAS. 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.  
 

 
 

 
 
MTZ312>314-080000-  
/O.EXT.KTFX.WW.Y.0030.240508T0000Z-240508T1800Z/  
CASCADE COUNTY BELOW 5000FT-JUDITH BASIN COUNTY AND JUDITH GAP-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING THE FOLLOWING LOCATIONS: MOCCASIN, WINDHAM, HOBSON,  
LEWISTOWN, BENCHLAND, RAYNESFORD, GEYSER, HILGER, GREAT FALLS,  
AND STANFORD  
254 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO  
NOON MDT WEDNESDAY...  
 
* WHAT...WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 5 INCHES,  
PARTICULARLY AROUND LEWISTOWN, RAYNESFORD AND ARMINGTON JUNCTION.  
WINDS GUSTING AS HIGH AS 60 MPH.  
 
* WHERE...CASCADE COUNTY BELOW 5000FT, FERGUS COUNTY BELOW 4500FT,  
AND JUDITH BASIN COUNTY AND JUDITH GAP.  
 
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT WEDNESDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. PERIODS OF BLOWING  
SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY. THE COMBINATION OF WET  
SNOW AND STRONG WINDS COULD CAUSE DAMAGE TO TREES AND POWER LINES.  
 
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.  
 

 
 

 
 
MTZ315-322-080000-  
/O.CON.KTFX.WW.Y.0030.240508T0000Z-240509T0600Z/  
UPPER BLACKFOOT AND MACDONALD PASS-ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS: MACDONALD PASS, HOMESTAKE  
PASS, LINCOLN, BOULDER, ELK PARK PASS, MARYSVILLE, WICKES,  
FLESHER PASS, CLANCY, CORBIN, AND MONTANA CITY  
254 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO MIDNIGHT MDT WEDNESDAY NIGHT...  
 
* WHAT...WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 4  
INCHES ON FOOTHILLS, BETWEEN 4 AND 8 INCHES ON MOUNTAIN PASSES.  
WINDS GUSTING AS HIGH AS 60 MPH.  
 
* WHERE...ELKHORN AND BOULDER MOUNTAINS AND UPPER BLACKFOOT AND  
MACDONALD PASS.  
 
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT WEDNESDAY NIGHT.  
 
* IMPACTS...TRAVEL COULD BE DIFFICULT AND TIRE CHAINS MAY BE  
REQUIRED FOR SOME VEHICLES. THOSE IN THE BACKCOUNTRY SHOULD ENSURE  
THEY HAVE APPROPRIATE KNOWLEDGE AND GEAR AND MAY WANT TO CONSIDER  
ALTERNATE PLANS. PERIODS OF BLOWING SNOW COULD SIGNIFICANTLY  
REDUCE VISIBILITY. THE COMBINATION OF WET SNOW AND STRONG WINDS  
COULD CAUSE DAMAGE TO TREES AND POWER LINES.  
 
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.  
 

 
 

 
 
RG  
 
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