876
WWUS45 KTFX 110440
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1040 PM MDT SAT OCT 10 2026
MTZ326-112115-
/O.EXB.KTFX.WS.W.0008.261012T0000Z-261012T1500Z/
/O.EXT.KTFX.WW.Y.0027.000000T0000Z-261012T0000Z/
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1040 PM MDT SAT OCT 10 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 9 AM MDT
MONDAY...
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MDT SUNDAY
* WHAT...FOR THE WINTER WEATHER ADVISORY, WET SNOW. TOTAL SNOW
ACCUMULATIONS UP TO TWO INCHES. WINDS GUSTING AS HIGH AS 40 MPH.
FOR THE WINTER STORM WARNING, HEAVY, WET SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 4 AND 8 INCHES.
* WHERE...GALLATIN VALLEY.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 6 PM MDT SUNDAY. FOR
THE WINTER STORM WARNING, FROM 6 PM SUNDAY TO 9 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.
MTZ301-302-307-308-315-316-112115-
/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 CRAIG, BYNUM, HEART BUTTE, MARYSVILLE,
LINCOLN, ROGERS PASS, BROWNING, MACDONALD PASS, PENDROY, BABB, KIOWA,
LOGAN PASS, EAST GLACIER PARK, SAINT MARY, FLESHER PASS, CHOTEAU,
MARIAS PASS, WOLF CREEK, DUPUYER, AND CANYON CREEK
1040 PM MDT SAT OCT 10 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN
10 AND 20 INCHES, WITH THE EXCEPTION OF THE LINCOLN VALLEY WHERE UP
TO 7 INCHES IS EXPECTED. ISOLATED AMOUNTS APPROACHING 30 INCHES
WITHIN THE BOB MARSHALL WILDERNESS. WINDS GUSTING AS HIGH AS 45
MPH.
* 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.
MTZ309-312-313-321-112115-
/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 LEDGER, GREAT FALLS, BRADY, MOCCASIN,
WINDHAM, HOBSON, MARTINSDALE, GEYSER, STANFORD, BENCHLAND, RINGLING,
WHITE SULPHUR SPRINGS, CHECKERBOARD, RAYNESFORD, AND CONRAD
1040 PM MDT SAT OCT 10 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 7
AND 14 INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* 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.
MTZ317-318-322-112115-
/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, MONTANA CITY, WICKES,
CORBIN, HOMESTAKE PASS, CLANCY, NEIHART, BOULDER, MONARCH, AND ELK
PARK PASS
1040 PM MDT SAT OCT 10 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 8
AND 16 INCHES. HIGHEST SNOWFALL AMOUNTS IN THE NORTHERN SLOPES
BETWEEN 4500 FEET AND 6500 FEET. WINDS GUSTING AS HIGH AS 45 MPH.
* 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.
MTZ320-112115-
/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF BOZEMAN PASS, MAUDLOW, BATTLE RIDGE PASS,
TRIDENT, AND DEEP CREEK PASS
1040 PM MDT SAT OCT 10 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...HEAVY, WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6
AND 14 INCHES. WINDS GUSTING AS HIGH AS 40 MPH.
* 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.
MTZ303-304-310-311-314-112115-
/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-FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, WHITLASH, ETHRIDGE,
FORT BENTON, ROCKY BOY, LOTHAIR, FLOWEREE, LEWISTOWN, SANTA RITA,
JOPLIN, CARTER, GALATA, HILGER, AND CUT BANK
1040 PM MDT SAT OCT 10 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF BETWEEN 3 TO 5
INCHES ACROSS LOWER ELEVATIONS, WITH 5 TO 10 INCHES IN THE
MOUNTAINS. LOCALLY HIGHER AMOUNTS POSSIBLE. WINDS GUSTING AS HIGH
AS 40 MPH.
* WHERE...BEARS PAW MOUNTAINS AND SOUTHERN BLAINE, EASTERN GLACIER,
WESTERN TOOLE, AND CENTRAL PONDERA, EASTERN TOOLE AND LIBERTY,
FERGUS COUNTY BELOW 4500FT, 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.
MTZ319-323>325-327>330-112115-
/O.CON.KTFX.WW.Y.0027.000000T0000Z-261012T1200Z/
HELENA VALLEY-CANYON FERRY AREA-MISSOURI HEADWATERS-MADISON RIVER
VALLEY-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 RAYNOLDS PASS, HARRISON, CHIEF JOSEPH PASS,
PONY, TARGHEE PASS, WEST YELLOWSTONE, DILLON, MONIDA PASS, WISE
RIVER, ENNIS, WHITEHALL, BANNACK, NORRIS, WATERLOO, WINSTON, WISDOM,
BIG SKY, HELENA, CAMERON, JEFFERS, THREE FORKS, TOWNSEND, TOSTON,
MCALLISTER, DEWEY, WILLOW CREEK, GLEN, AND BIG HOLE PASS
1040 PM MDT SAT OCT 10 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF BETWEEN 2 TO 5
INCHES ACROSS LOWER ELEVATIONS, WITH 5 TO 8 INCHES IN THE
MOUNTAINS. LOCALLY HIGHER AMOUNTS POSSIBLE. WINDS GUSTING AS HIGH
AS 45 MPH.
* WHERE...PORTIONS OF CENTRAL AND SOUTHWEST MONTANA.
* 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.
IG
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