503
WWUS45 KTFX 120530
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1130 PM MDT SUN OCT 11 2026
MTZ301-302-307-308-315-316-121200-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
EAST GLACIER PARK REGION-NORTHERN HIGH PLAINS-SOUTHERN ROCKY
MOUNTAIN FRONT-SOUTHERN HIGH PLAINS-UPPER BLACKFOOT AND MACDONALD
PASS-GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF WOLF CREEK, BYNUM, EAST GLACIER PARK, KIOWA,
FLESHER PASS, CANYON CREEK, SAINT MARY, BABB, MACDONALD PASS,
PENDROY, BROWNING, MARIAS PASS, ROGERS PASS, LOGAN PASS, LINCOLN,
CRAIG, CHOTEAU, MARYSVILLE, DUPUYER, AND HEART BUTTE
1130 PM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES.
WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...PORTIONS OF CENTRAL AND NORTH CENTRAL MONTANA.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE WET AND HEAVY NATURE
OF THE SNOW COULD BRING DOWN TREE BRANCHES. ISOLATED POWER OUTAGES
ARE POSSIBLE.
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.
MTZ309-312>314-321-121200-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
EASTERN PONDERA AND EASTERN TETON-CASCADE COUNTY BELOW 5000FT-
JUDITH BASIN COUNTY AND JUDITH GAP-FERGUS COUNTY BELOW 4500FT-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF GEYSER, LEDGER, WHITE SULPHUR SPRINGS,
RAYNESFORD, RINGLING, BENCHLAND, BRADY, HOBSON, HILGER, MOCCASIN,
LEWISTOWN, WINDHAM, STANFORD, GREAT FALLS, MARTINSDALE, CONRAD, AND
CHECKERBOARD
1130 PM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES.
* WHERE...MEAGHER COUNTY VALLEYS, CASCADE COUNTY BELOW 5000FT,
EASTERN PONDERA AND EASTERN TETON, FERGUS COUNTY BELOW 4500FT, AND
JUDITH BASIN COUNTY AND JUDITH GAP.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE WET AND HEAVY NATURE
OF THE SNOW COULD BRING DOWN TREE BRANCHES. ISOLATED POWER OUTAGES
ARE POSSIBLE.
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.
MTZ317-318-322-121200-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-SNOWY AND JUDITH MOUNTAINS-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF WICKES, CLANCY, MONARCH, HOMESTAKE PASS,
BOULDER, ELK PARK PASS, MONTANA CITY, KINGS HILL PASS, NEIHART, AND
CORBIN
1130 PM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES.
* WHERE...ELKHORN AND BOULDER MOUNTAINS, LITTLE BELT AND HIGHWOOD
MOUNTAINS, AND SNOWY AND JUDITH MOUNTAINS.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE WET AND HEAVY NATURE
OF THE SNOW COULD BRING DOWN TREE BRANCHES. ISOLATED POWER OUTAGES
ARE POSSIBLE.
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.
MTZ319-324>326-121200-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
HELENA VALLEY-MISSOURI HEADWATERS-MADISON RIVER VALLEY-GALLATIN
VALLEY-
INCLUDING THE CITIES OF MCALLISTER, THREE FORKS, JEFFERS, GALLATIN
GATEWAY, WILLOW CREEK, WHITEHALL, CAMERON, HARRISON, BOZEMAN, NORRIS,
PONY, HELENA, AND ENNIS
1130 PM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO TWO INCHES.
WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...HELENA VALLEY, GALLATIN VALLEY, MADISON RIVER VALLEY, AND
MISSOURI HEADWATERS.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE WET AND HEAVY NATURE
OF THE SNOW COULD BRING DOWN TREE BRANCHES. ISOLATED POWER OUTAGES
ARE POSSIBLE.
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.
MTZ320-121200-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, BATTLE RIDGE PASS, BOZEMAN PASS,
MAUDLOW, AND DEEP CREEK PASS
1130 PM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO TWO INCHES.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE WET AND HEAVY NATURE
OF THE SNOW COULD BRING DOWN TREE BRANCHES. ISOLATED POWER OUTAGES
ARE POSSIBLE.
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.
MTZ305-306-121500-
/O.EXB.KTFX.WW.Y.0027.000000T0000Z-261012T1500Z/
HILL COUNTY-NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF HARLEM, FORT BELKNAP, ZURICH, HOGELAND,
HAVRE, AND CHINOOK
1130 PM MDT SUN OCT 11 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT MONDAY
* WHAT...WET SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO TWO INCHES.
* WHERE...HILL COUNTY AND NORTHERN BLAINE COUNTY.
* WHEN...UNTIL 9 AM MDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD CONDITIONS
FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.
MTZ303-304-310-311-121200-
/O.CON.KTFX.WW.Y.0027.000000T0000Z-261012T1200Z/
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-EASTERN TOOLE
AND LIBERTY-WESTERN AND CENTRAL CHOUTEAU COUNTY-BEARS PAW
MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITIES OF SHELBY, SANTA RITA, ETHRIDGE, ROCKY BOY,
DEVON, CHESTER, GALATA, LOTHAIR, WHITLASH, CARTER, CUT BANK, JOPLIN,
FLOWEREE, AND FORT BENTON
1130 PM MDT SUN OCT 11 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 2 INCHES.
* WHERE...BEARS PAW MOUNTAINS AND SOUTHERN BLAINE, EASTERN GLACIER,
WESTERN TOOLE, AND CENTRAL PONDERA, EASTERN TOOLE AND LIBERTY, AND
WESTERN AND CENTRAL CHOUTEAU COUNTY.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD CONDITIONS
FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.
MTZ323-327>330-121200-
/O.CON.KTFX.WW.Y.0027.000000T0000Z-261012T1200Z/
CANYON FERRY AREA-NORTHWEST BEAVERHEAD COUNTY-BEAVERHEAD AND
WESTERN MADISON BELOW 6000FT-RUBY MOUNTAINS AND SOUTHERN
BEAVERHEAD MOUNTAINS-GALLATIN AND MADISON COUNTY MOUNTAINS AND
CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF GLEN, WATERLOO, MONIDA PASS, BIG SKY, DILLON,
CHIEF JOSEPH PASS, TARGHEE PASS, WISE RIVER, WINSTON, TOSTON, WEST
YELLOWSTONE, BIG HOLE PASS, TOWNSEND, BANNACK, DEWEY, WISDOM, AND
RAYNOLDS PASS
1130 PM MDT SUN OCT 11 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO TWO INCHES.
* WHERE...CANYON FERRY AREA, BEAVERHEAD AND WESTERN MADISON BELOW
6000FT, GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS, NORTHWEST BEAVERHEAD COUNTY, AND RUBY MOUNTAINS AND
SOUTHERN BEAVERHEAD MOUNTAINS.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD CONDITIONS
FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.
AM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page