706
WWUS45 KTFX 120646
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1246 AM MDT THU MAR 12 2026
MTZ302-308-130000-
/O.UPG.KTFX.WS.A.0002.260313T0000Z-260315T0000Z/
/O.EXB.KTFX.WS.W.0003.260313T0000Z-260315T0000Z/
/O.CON.KTFX.WW.Y.0015.260312T0900Z-260312T2100Z/
NORTHERN HIGH PLAINS-SOUTHERN HIGH PLAINS-
INCLUDING THE FOLLOWING LOCATIONS: BYNUM, CHOTEAU, BROWNING,
PENDROY, HEART BUTTE, AND DUPUYER
1246 AM MDT THU MAR 12 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
SATURDAY...
* WHAT...FOR THE WINTER WEATHER ADVISORY, SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS UP TO TWO INCHES. WINDS GUSTING AS HIGH AS 95 MPH.
FOR THE WINTER STORM WARNING, HEAVY SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 6 AND 15 INCHES.
* WHERE...THE FOOTHILLS AND PLAINS ADJACENT TO THE ROCKY MOUNTAIN
FRONT.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 3 PM MDT THIS
AFTERNOON. FOR THE WINTER STORM WARNING, FROM 6 PM THIS EVENING TO
6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. WIDESPREAD BLOWING SNOW
COULD SIGNIFICANTLY REDUCE VISIBILITY.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ317-318-130000-
/O.UPG.KTFX.WS.A.0002.260313T0000Z-260315T0000Z/
/O.EXB.KTFX.WS.W.0003.260312T1200Z-260315T0000Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-SNOWY AND JUDITH MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: MONARCH, KINGS HILL PASS, AND
NEIHART
1246 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
SATURDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND
3 FEET. WINDS GUSTING AS HIGH AS 65 TO 85 MPH ON THURSDAY.
* WHERE...THE HIGHWOOD, LITTLE BELT, JUDITH, AND SNOWY MOUNTAINS.
* WHEN...FROM 6 AM THIS MORNING TO 6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT AND TIRE CHAINS MAY BE
REQUIRED FOR SOME VEHICLES. THOSE IN THE BACKCOUNTRY SHOULD ENSURE
THEY ARE PREPARED FOR DANGEROUS CONDITIONS.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
MTZ309-312-130000-
/O.UPG.KTFX.WS.A.0002.260313T0000Z-260315T0000Z/
/O.EXB.KTFX.WS.W.0003.260313T0000Z-260315T0000Z/
EASTERN PONDERA AND EASTERN TETON-CASCADE COUNTY BELOW 5000FT-
INCLUDING THE FOLLOWING LOCATIONS: CONRAD, LEDGER, GREAT FALLS,
AND BRADY
1246 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
SATURDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND
13 INCHES.
* WHERE...EASTERN PONDERA AND EASTERN TETON COUNTIES, AND CASCADE
COUNTY BELOW 5000FT.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE
HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY
MORNING COMMUTES. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
REMEMBER, A WINTER STORM WARNING MEANS THAT THERE IS AT LEAST AN 80%
CHANCE OF IMPACTFUL WINTER WEATHER CONDITIONS DURING THE WARNING
PERIOD.
MTZ313-314-130000-
/O.UPG.KTFX.WS.A.0002.260313T0000Z-260315T0000Z/
/O.EXB.KTFX.WS.W.0003.260313T0000Z-260315T0000Z/
JUDITH BASIN COUNTY AND JUDITH GAP-FERGUS COUNTY BELOW 4500FT-
INCLUDING THE FOLLOWING LOCATIONS: HOBSON, MOCCASIN, STANFORD,
BENCHLAND, RAYNESFORD, LEWISTOWN, HILGER, WINDHAM, AND GEYSER
1246 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
SATURDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 7 AND
19 INCHES.
* WHERE...FERGUS COUNTY BELOW 4500FT AND JUDITH BASIN COUNTY AND
JUDITH GAP.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. STRONG
WINDS COULD CAUSE TREE DAMAGE.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
MTZ316-130000-
/O.EXB.KTFX.WS.W.0003.260313T0000Z-260315T0000Z/
GATES OF THE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: CRAIG, WOLF CREEK, AND CANYON
CREEK
1246 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
SATURDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND
15 INCHES.
* WHERE...GATES OF THE MOUNTAINS.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. STRONG
WINDS COULD CAUSE TREE DAMAGE.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
MTZ301-307-130000-
/O.CON.KTFX.BZ.W.0001.000000T0000Z-260312T2100Z/
/O.CON.KTFX.WS.W.0003.260312T2100Z-260315T0000Z/
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS: BABB, SAINT MARY, MARIAS PASS,
ROGERS PASS, KIOWA, LOGAN PASS, AND EAST GLACIER PARK
1246 AM MDT THU MAR 12 2026
...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON
TO 6 PM MDT SATURDAY...
* WHAT...FOR THE BLIZZARD WARNING, BLIZZARD CONDITIONS. ADDITIONAL
SNOW ACCUMULATIONS BETWEEN 10 AND 20 INCHES. WINDS GUSTING AS HIGH
AS 100 MPH. FOR THE WINTER STORM WARNING, HEAVY SNOW EXPECTED.
TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 FEET.
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT.
* WHEN...FOR THE BLIZZARD WARNING, UNTIL 3 PM MDT THIS AFTERNOON.
FOR THE WINTER STORM WARNING, FROM 3 PM THIS AFTERNOON TO 6 PM MDT
SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT OR IMPOSSIBLE OVER MARIAS
PASS AND ROGERS PASS LATE TONIGHT THROUGH THURSDAY MORNING.
* ADDITIONAL DETAILS...WHITEOUT CONDITIONS ARE LIKELY AND MAY MAKE
TRAVEL TREACHEROUS AND POTENTIALLY LIFE-THREATENING, ESPECIALLY
THROUGH 8 AM THURSDAY. THIS WILL BE A MULT-DAY SNOWFALL, WITH
LULLS IN THE SNOW AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER, A BLIZZARD WARNING MEANS THAT THERE IS AT LEAST AN 80%
CHANCE OF SEEING BLIZZARD CONDITIONS FOR AT LEAST 3 HOURS DURING THE
WARNING PERIOD.
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.
MTZ315-327-130000-
/O.CON.KTFX.WS.W.0003.000000T0000Z-260313T1800Z/
UPPER BLACKFOOT AND MACDONALD PASS-NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: CHIEF JOSEPH PASS, WISDOM,
LINCOLN, DEWEY, BIG HOLE PASS, MARYSVILLE, MACDONALD PASS, WISE
RIVER, AND FLESHER PASS
1246 AM MDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 8 AND 16
INCHES, WITH THE HIGHEST PEAKS SEEING UP TO 24 INCHES. WINDS
GUSTING AS HIGH AS 65 TO 85 MPH ON THURSDAY.
* WHERE...UPPER BLACKFOOT AND MACDONALD PASS AND NORTHWEST
BEAVERHEAD COUNTY.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT AND TIRE CHAINS MAY BE
REQUIRED FOR SOME VEHICLES. THOSE IN THE BACKCOUNTRY SHOULD ENSURE
THEY ARE PREPARED FOR DANGEROUS CONDITIONS. STRONG WINDS COULD
CAUSE TREE DAMAGE.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
MTZ303-304-310-311-130000-
/O.UPG.KTFX.WS.A.0002.260313T0000Z-260315T0000Z/
/O.NEW.KTFX.WW.Y.0016.260313T0000Z-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, CHESTER, FORT BENTON,
SHELBY, DEVON, JOPLIN, LOTHAIR, FLOWEREE, ROCKY BOY, WHITLASH,
CUT BANK, GALATA, SANTA RITA, AND ETHRIDGE
1246 AM MDT THU MAR 12 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT SATURDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES, WITH UP TO 10 INCHES ACROSS SOUTHERN CHOUTEAU COUNTY.
* 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...FROM 6 PM THIS EVENING TO 6 PM MDT SATURDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
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.
MTZ319>322-130000-
/O.NEW.KTFX.WS.A.0003.260313T0000Z-260315T0000Z/
HELENA VALLEY-BIG BELT, BRIDGER AND CASTLE MOUNTAINS-MEAGHER
COUNTY VALLEYS-ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: MARTINSDALE, BOZEMAN PASS,
MAUDLOW, BATTLE RIDGE PASS, WHITE SULPHUR SPRINGS, MONTANA CITY,
BOULDER, WICKES, DEEP CREEK PASS, CLANCY, CHECKERBOARD, CORBIN,
HELENA, TRIDENT, RINGLING, ELK PARK PASS, AND HOMESTAKE PASS
1246 AM MDT THU MAR 12 2026
...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND
8 INCHES ACROSS THE VALLEY FLOORS, WITH 8 TO 16 INCHES POSSIBLE IN
THE MOUNTAINS.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS, ELKHORN AND
BOULDER MOUNTAINS, HELENA VALLEY, AND MEAGHER COUNTY VALLEYS.
* WHEN...FROM THIS EVENING THROUGH SATURDAY AFTERNOON.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT AND TIRE CHAINS MAY BE
REQUIRED FOR SOME VEHICLES. THOSE IN THE BACKCOUNTRY SHOULD ENSURE
THEY ARE PREPARED FOR DANGEROUS CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING
COMMUTES.
* ADDITIONAL DETAILS...THIS WILL BE A MULT-DAY SNOWFALL, WITH LULLS
IN THE SNOW AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
REMEMBER, A WINTER STORM WATCH MEANS THAT THERE IS AT LEAST A 50%
CHANCE OF IMPACTFUL WINTER WEATHER CONDITIONS DURING THE WATCH
PERIOD.
MOLDAN
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