115
WWUS45 KTFX 140231
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
831 PM MDT FRI MAR 13 2026
MTZ301-307-315-141215-
/O.CON.KTFX.WS.W.0003.000000T0000Z-260315T0000Z/
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-UPPER
BLACKFOOT AND MACDONALD PASS-
INCLUDING THE FOLLOWING LOCATIONS: BABB, KIOWA, ROGERS PASS, EAST
GLACIER PARK, SAINT MARY, MARIAS PASS, MACDONALD PASS, FLESHER
PASS, MARYSVILLE, LINCOLN, AND LOGAN PASS
831 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 7 AND 14
INCHES. WINDS GUSTING AS HIGH AS 45 MPH ON SATURDAY.
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT, AND
UPPER BLACKFOOT AND MACDONALD PASS.
* WHEN...UNTIL 6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT AND TIRE CHAINS MAY BE
REQUIRED FOR SOME VEHICLES. BLOWING SNOW MAY SIGNIFICANTLY REDUCE
VISIBILITY, ESPECIALLY ON SATURDAY. THOSE IN THE BACKCOUNTRY
SHOULD ENSURE THEY ARE PREPARED FOR DANGEROUS CONDITIONS.
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.
MTZ302-308-309-312-316-141215-
/O.CON.KTFX.WS.W.0003.000000T0000Z-260315T0000Z/
NORTHERN HIGH PLAINS-SOUTHERN HIGH PLAINS-EASTERN PONDERA AND
EASTERN TETON-CASCADE COUNTY BELOW 5000FT-GATES OF THE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: BYNUM, DUPUYER, PENDROY,
CANYON CREEK, BROWNING, GREAT FALLS, HEART BUTTE, CHOTEAU, CRAIG,
WOLF CREEK, CONRAD, BRADY, AND LEDGER
831 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND 8
INCHES. WINDS GUSTING AS HIGH AS 45 MPH ON SATURDAY.
* WHERE...THE FOOTHILLS AND PLAINS ADJACENT TO THE ROCKY MOUNTAIN
FRONT, EASTERN PONDERA AND EASTERN TETON COUNTIES, CASCADE COUNTY
BELOW 5000FT, AND GATES OF THE MOUNTAINS.
* WHEN...UNTIL 6 PM MDT SATURDAY.
* IMPACTS...PLAN FOR DIFFICULT WINTER DRIVING CONDITIONS. SNOW AND
BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITY AT TIMES ON
SATURDAY.
* ADDITIONAL DETAILS...A COLD FRONT WILL BRING GUSTY NORTHERLY WINDS
AND FALLING TEMPERATURES DURING THE LATE MORNING AND EARLY
AFTERNOON HOURS ON SATURDAY. ANY WET PAVEMENT SURFACES WILL FREEZE
AND BECOME ICY.
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.
MTZ313-314-317-318-141215-
/O.CON.KTFX.WS.W.0003.000000T0000Z-260315T0000Z/
JUDITH BASIN COUNTY AND JUDITH GAP-FERGUS COUNTY BELOW 4500FT-
LITTLE BELT AND HIGHWOOD MOUNTAINS-SNOWY AND JUDITH MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: MOCCASIN, RAYNESFORD,
LEWISTOWN, HOBSON, BENCHLAND, GEYSER, MONARCH, STANFORD, HILGER,
NEIHART, KINGS HILL PASS, AND WINDHAM
831 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 7 AND 14
INCHES. WINDS GUSTING AS HIGH AS 40 MPH SATURDAY AFTERNOON.
* WHERE...THE HIGHWOOD, LITTLE BELT, JUDITH, AND SNOWY MOUNTAINS,
JUDITH BASIN COUNTY AND JUDITH GAP, AND FERGUS COUNTY BELOW 4500FT.
* WHEN...UNTIL 6 PM MDT SATURDAY.
* IMPACTS...PLAN FOR SNOWPACKED AND SLIPPERY ROADS. SNOW AND BLOWING
SNOW MAY SIGNIFICANTLY REDUCE VISIBILITY AT TIMES ON SATURDAY.
* ADDITIONAL DETAILS...A COLD FRONT WILL BRING GUSTY NORTHERLY WINDS
AND FALLING TEMPERATURES SATURDAY AFTERNOON. ANY WET PAVEMENT
SURFACES WILL FREEZE AND BECOME ICY.
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.
MTZ319>322-141215-
/O.CON.KTFX.WS.W.0003.000000T0000Z-260315T0000Z/
HELENA VALLEY-BIG BELT, BRIDGER AND CASTLE MOUNTAINS-MEAGHER
COUNTY VALLEYS-ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: CHECKERBOARD, BOZEMAN PASS,
DEEP CREEK PASS, HELENA, TRIDENT, MONTANA CITY, BATTLE RIDGE
PASS, MARTINSDALE, BOULDER, CORBIN, MAUDLOW, WICKES, RINGLING,
HOMESTAKE PASS, CLANCY, ELK PARK PASS, AND WHITE SULPHUR SPRINGS
831 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS 6 TO 12 INCHES,
WITH AMOUNTS IN EXCESS OF A FOOT OVER THE HIGHER PEAKS. WINDS
GUSTING OVER 50 MPH AT TIMES ON SATURDAY
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS, ELKHORN AND
BOULDER MOUNTAINS, HELENA VALLEY, AND MEAGHER COUNTY VALLEYS.
* WHEN...UNTIL 6 PM MDT SATURDAY.
* IMPACTS...PLAN FOR SNOWPACKED AND SLIPPERY ROADS. SNOW AND BLOWING
SNOW MAY SIGNIFICANTLY REDUCE VISIBILITY AT TIMES ON SATURDAY.
TIRE CHAINS MAY BE REQUIRED FOR SOME VEHICLES IF TRAVELING THROUGH
MOUNTAIN PASSES.
* ADDITIONAL DETAILS...A COLD FRONT WILL BRING GUSTY WEST TO
NORTHWESTERLY WINDS AND FALLING TEMPERATURES BY SATURDAY
AFTERNOON. ANY WET PAVEMENT SURFACES WILL FREEZE AND BECOME ICY.
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.
MTZ327-141215-
/O.CON.KTFX.WS.W.0003.000000T0000Z-260315T0000Z/
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: WISDOM, WISE RIVER, CHIEF
JOSEPH PASS, DEWEY, AND BIG HOLE PASS
831 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES
NEAR THE CHIEF JOSEPH AND BIG HOLE PASS AREAS. WINDS GUSTING AS
HIGH AS 65 MPH ON SATURDAY.
* WHERE...NORTHWEST BEAVERHEAD COUNTY.
* WHEN...UNTIL 6 PM MDT SATURDAY.
* IMPACTS...PLAN FOR SNOWPACKED AND SLIPPERY MOUNTAIN PASSES. SNOW
AND BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITY AT TIMES ON
SATURDAY. TIRE CHAINS MAY BE REQUIRED FOR SOME VEHICLES IF
TRAVELING THROUGH MOUNTAIN PASSES.
* ADDITIONAL DETAILS...A COLD FRONT WILL BRING GUSTY WEST TO
NORTHWESTERLY WINDS AND FALLING TEMPERATURES ON SATURDAY. ANY WET
PAVEMENT SURFACES WILL FREEZE AND BECOME ICY.
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.
MTZ303-304-310-311-141215-
/O.CON.KTFX.WW.Y.0016.000000T0000Z-260315T0000Z/
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-EASTERN TOOLE
AND LIBERTY-WESTERN AND CENTRAL CHOUTEAU COUNTY-BEARS PAW
MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE FOLLOWING LOCATIONS: CARTER, CUT BANK, SANTA RITA,
GALATA, FORT BENTON, WHITLASH, JOPLIN, ETHRIDGE, ROCKY BOY,
SHELBY, FLOWEREE, DEVON, LOTHAIR, AND CHESTER
831 PM MDT FRI MAR 13 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND 6 INCHES.
WINDS GUSTING AS HIGH AS 35 MPH ON SATURDAY.
* WHERE...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA
COUNTIES, EASTERN TOOLE AND LIBERTY COUNTIES, WESTERN AND CENTRAL
CHOUTEAU COUNTY, AND BEARS PAW MOUNTAINS AND SOUTHERN BLAINE.
* WHEN...UNTIL 6 PM MDT SATURDAY.
* IMPACTS...PLAN FOR DIFFICULT WINTER DRIVING CONDITIONS. SNOW AND
BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITY AT TIMES ON
SATURDAY.
* ADDITIONAL DETAILS...A COLD FRONT WILL BRING GUSTY NORTHERLY WINDS
AND FALLING TEMPERATURES DURING THE LATE MORNING AND EARLY
AFTERNOON HOURS ON SATURDAY. ANY WET PAVEMENT SURFACES WILL FREEZE
AND BECOME ICY.
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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