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WWUS45 KTFX 271844
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1244 PM MDT SAT JUN 27 2026
MTZ327-281200-
/O.UPG.KTFX.WW.Y.0026.260628T0000Z-260629T1800Z/
/O.NEW.KTFX.WS.W.0007.260628T0000Z-260629T1800Z/
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, CHIEF JOSEPH PASS, BIG HOLE PASS, WISE
RIVER, AND WISDOM
1244 PM MDT SAT JUN 27 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
MONDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND
6 INCHES AT PASS LEVEL, WITH SNOW AMOUNTS IN EXCESS OF A FOOT IN
THE HIGHER TERRAIN.
* WHERE...NORTHWEST BEAVERHEAD COUNTY.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT MONDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT OVER PASSES. BACK COUNTRY
CONDITIONS WILL BE VERY DANGEROUS, ESPECIALLY NEAR AND ABOVE PASS
LEVEL.
* ADDITIONAL DETAILS...WET SNOW MAY DOWN TREES AND BLOCK ACCESS TO
FOREST ROADWAYS.
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 FOR THE
STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.
MTZ322-329-330-281200-
/O.CON.KTFX.WW.Y.0026.260628T0000Z-260629T1800Z/
ELKHORN AND BOULDER MOUNTAINS-RUBY MOUNTAINS AND SOUTHERN
BEAVERHEAD MOUNTAINS-GALLATIN AND MADISON COUNTY MOUNTAINS AND
CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF HOMESTAKE PASS, RAYNOLDS PASS, WICKES, WEST
YELLOWSTONE, BIG SKY, CORBIN, BOULDER, MONTANA CITY, TARGHEE PASS,
CLANCY, ELK PARK PASS, AND MONIDA PASS
1244 PM MDT SAT JUN 27 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT MONDAY...
* WHAT...PERIODS OF WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO
5 INCHES ABOVE 6500 FEET, WITH LOCALIZED AMOUNTS IN EXCESS OF 9
INCHES NEAR HIGHEST PEAKS.
* WHERE...ELKHORN AND BOULDER MOUNTAINS, GALLATIN AND MADISON COUNTY
MOUNTAINS AND CENTENNIAL MOUNTAINS, AND RUBY MOUNTAINS AND SOUTHERN
BEAVERHEAD MOUNTAINS.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT MONDAY.
* IMPACTS...PLAN ON COLD AND WET BACKCOUNTRY CONDITIONS WITH A
HEIGHTENED HYPOTHERMIA RISK FOR THOSE NOT PROPERLY DRESSED. WET
SNOW MAY DOWN TREES AND BLOCK ACCESS TO FOREST ROADWAYS.
* ADDITIONAL DETAILS...CAMPERS SHOULD BE AWARE THAT IT ONLY TAKES A
FEW INCHES OF SNOW TO DAMAGE TENTS AND OTHER RECREATIONAL ITEMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
AM
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