601
WWUS45 KTFX 111629
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1029 AM MDT SUN OCT 11 2026
MTZ326-120730-
/O.CAN.KTFX.WW.Y.0027.000000T0000Z-261012T0000Z/
/O.EXT.KTFX.WS.W.0008.261011T1629Z-261012T1200Z/
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND
6 INCHES.
* WHERE...GALLATIN VALLEY.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE. THE HAZARDOUS
CONDITIONS WILL IMPACT THE MONDAY MORNING COMMUTE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ314-120730-
/O.UPG.KTFX.WW.Y.0027.000000T0000Z-261012T1200Z/
/O.EXA.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8
INCHES.
* WHERE...FERGUS COUNTY BELOW 4500FT.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ319-324-325-120730-
/O.UPG.KTFX.WW.Y.0027.000000T0000Z-261012T1200Z/
/O.EXA.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
HELENA VALLEY-MISSOURI HEADWATERS-MADISON RIVER VALLEY-
INCLUDING THE CITIES OF JEFFERS, WHITEHALL, CAMERON, THREE FORKS,
MCALLISTER, WILLOW CREEK, HELENA, PONY, HARRISON, NORRIS, AND ENNIS
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND
7 INCHES. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...HELENA VALLEY, MADISON RIVER VALLEY, AND MISSOURI
HEADWATERS.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ301-302-307-308-315-316-120730-
/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 EAST GLACIER PARK, BABB, PENDROY, CHOTEAU,
MARYSVILLE, FLESHER PASS, BYNUM, LINCOLN, KIOWA, BROWNING, SAINT
MARY, LOGAN PASS, WOLF CREEK, CRAIG, MACDONALD PASS, CANYON CREEK,
MARIAS PASS, DUPUYER, HEART BUTTE, AND ROGERS PASS
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND
6 INCHES NORTH OF THE US HWY 2 CORRIDOR, WITH 6 TO 12 INCHES
POSSIBLE SOUTH OF THE US HWY 2 CORRIDOR.
* WHERE...PORTIONS OF CENTRAL AND NORTH CENTRAL MONTANA.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ309-312-313-321-120730-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
EASTERN PONDERA AND EASTERN TETON-CASCADE COUNTY BELOW 5000FT-
JUDITH BASIN COUNTY AND JUDITH GAP-MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF GEYSER, WHITE SULPHUR SPRINGS, CONRAD,
CHECKERBOARD, BENCHLAND, RINGLING, MARTINSDALE, HOBSON, STANFORD,
BRADY, WINDHAM, GREAT FALLS, LEDGER, MOCCASIN, AND RAYNESFORD
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 5 AND
9 INCHES.
* WHERE...MEAGHER COUNTY VALLEYS, CASCADE COUNTY BELOW 5000FT,
EASTERN PONDERA AND EASTERN TETON, AND JUDITH BASIN COUNTY AND
JUDITH GAP.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ317-318-322-120730-
/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 KINGS HILL PASS, MONARCH, CLANCY, HOMESTAKE
PASS, NEIHART, BOULDER, CORBIN, MONTANA CITY, ELK PARK PASS, AND
WICKES
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 4 AND
9 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. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ320-120730-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF MAUDLOW, BATTLE RIDGE PASS, DEEP CREEK PASS,
TRIDENT, AND BOZEMAN PASS
1029 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 4 AND
6 INCHES.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS.
* WHEN...UNTIL 6 AM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. GUSTY WINDS COMBINED WITH
THE WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE
BRANCHES. ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
MTZ303-304-310-311-120730-
/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 SANTA RITA, LOTHAIR, CARTER, JOPLIN, SHELBY,
FORT BENTON, ETHRIDGE, CUT BANK, FLOWEREE, CHESTER, DEVON, GALATA,
ROCKY BOY, AND WHITLASH
1029 AM MDT SUN OCT 11 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 2 AND 4 INCHES
ACROSS LOWER ELEVATIONS, WITH UP TO 9 INCHES IN THE MOUNTAINS.
* 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...TRAVEL COULD BE DIFFICULT. GUSTY WINDS COMBINED WITH THE
WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE BRANCHES.
ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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>330-120730-
/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 WINSTON, WISDOM, DILLON, BIG HOLE PASS,
TARGHEE PASS, DEWEY, MONIDA PASS, TOSTON, CHIEF JOSEPH PASS, BIG SKY,
WEST YELLOWSTONE, RAYNOLDS PASS, GLEN, TOWNSEND, WATERLOO, WISE
RIVER, AND BANNACK
1029 AM MDT SUN OCT 11 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 2 AND 4 INCHES
ACROSS LOWER ELEVATIONS, WITH UP TO 7 INCHES IN THE MOUNTAINS.
WINDS GUSTING AS HIGH AS 35 MPH.
* 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...TRAVEL COULD BE DIFFICULT. GUSTY WINDS COMBINED WITH THE
WET AND HEAVY NATURE OF THE SNOW COULD BRING DOWN TREE BRANCHES.
ISOLATED POWER OUTAGES ARE POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL AMOUNTS WILL VARY DRASTICALLY FROM
GRASSY SURFACES TO ROADWAYS, MOST NOTABLY AT LOWER ELEVATIONS, WITH
ACCUMULATIONS ON NON-GRASSY SURFACES BEING CONFINED MAINLY TO
BETWEEN THE EVENING THROUGH LATE MORNING HOURS.
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page