704
WWUS45 KTFX 010448
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1048 PM MDT TUE MAR 31 2026
MTZ317-330-020030-
/O.UPG.KTFX.WS.A.0004.260402T1800Z-260403T1800Z/
/O.NEW.KTFX.WS.W.0004.260402T1500Z-260403T1800Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-GALLATIN AND MADISON COUNTY
MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: BIG SKY, KINGS HILL PASS,
MONARCH, RAYNOLDS PASS, NEIHART, TARGHEE PASS, AND WEST
YELLOWSTONE
1048 PM MDT TUE MAR 31 2026
...WINTER STORM WARNING IN EFFECT FROM 9 AM THURSDAY TO NOON MDT
FRIDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 7 AND
11 INCHES AT AND BELOW PASS LEVEL WITH HIGHER AMOUNTS ABOVE PASS
LEVEL.
* WHERE...LITTLE BELT AND HIGHWOOD MOUNTAINS AND GALLATIN AND
MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS.
* WHEN...FROM 9 AM THURSDAY TO 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.
* ADDITIONAL DETAILS...THE HEAVY AND WET VARIETY OF SNOW MAY POSE
SNOW LOAD IMPACTS TO INFRASTRUCTURE.
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.
MTZ307-315-322-327-020030-
/O.UPG.KTFX.WS.A.0004.260402T1200Z-260403T1200Z/
/O.NEW.KTFX.WW.Y.0020.260402T1200Z-260403T1200Z/
SOUTHERN ROCKY MOUNTAIN FRONT-UPPER BLACKFOOT AND MACDONALD PASS-
ELKHORN AND BOULDER MOUNTAINS-NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: WICKES, CLANCY, BIG HOLE PASS,
MACDONALD PASS, LINCOLN, ROGERS PASS, MONTANA CITY, HOMESTAKE
PASS, CORBIN, WISDOM, WISE RIVER, ELK PARK PASS, FLESHER PASS,
DEWEY, MARYSVILLE, CHIEF JOSEPH PASS, AND BOULDER
1048 PM MDT TUE MAR 31 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT
FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 8
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...ELKHORN AND BOULDER MOUNTAINS, UPPER BLACKFOOT AND
MACDONALD PASS, SOUTHERN ROCKY MOUNTAIN FRONT, AND NORTHWEST
BEAVERHEAD COUNTY.
* WHEN...FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY.
* IMPACTS...TIRE CHAINS MAY BE REQUIRED FOR SOME VEHICLES IF
TRAVELING THROUGH MOUNTAIN PASSES.
* ADDITIONAL DETAILS...THE WET VARIETY OF SNOW MAY POSE SNOW LOAD
IMPACTS TO INFRASTRUCTURE.
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.
MTZ320-020030-
/O.UPG.KTFX.WS.A.0004.260402T1800Z-260403T1800Z/
/O.NEW.KTFX.WW.Y.0020.260402T1500Z-260403T1800Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: DEEP CREEK PASS, BOZEMAN PASS,
BATTLE RIDGE PASS, MAUDLOW, AND TRIDENT
1048 PM MDT TUE MAR 31 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THURSDAY TO NOON MDT
FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 8
INCHES AT AND BELOW PASS LEVEL, WITH HIGHER AMOUNTS ABOVE PASS
LEVEL. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS.
* WHEN...FROM 9 AM THURSDAY TO NOON MDT FRIDAY.
* IMPACTS...TIRE CHAINS MAY BE REQUIRED FOR SOME VEHICLES IF
TRAVELING THROUGH MOUNTAIN PASSES.
* ADDITIONAL DETAILS...THE WET VARIETY OF SNOW MAY POSE SNOW LOAD
IMPACTS TO INFRASTRUCTURE.
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.
MTZ312>314-318-020030-
/O.UPG.KTFX.WS.A.0004.260402T1800Z-260403T1800Z/
/O.NEW.KTFX.WW.Y.0020.260402T2100Z-260403T1800Z/
CASCADE COUNTY BELOW 5000FT-JUDITH BASIN COUNTY AND JUDITH GAP-
FERGUS COUNTY BELOW 4500FT-SNOWY AND JUDITH MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: WINDHAM, LEWISTOWN, BENCHLAND,
HOBSON, RAYNESFORD, GEYSER, MOCCASIN, GREAT FALLS, HILGER, AND
STANFORD
1048 PM MDT TUE MAR 31 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THURSDAY TO NOON MDT
FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4
INCHES AT LOWER ELEVATIONS, WITH AMOUNTS APPROACHING 6 INCHES AT
HIGHER ELEVATIONS.
* WHERE...SNOWY AND JUDITH MOUNTAINS, CASCADE COUNTY BELOW 5000FT,
FERGUS COUNTY BELOW 4500FT, AND JUDITH BASIN COUNTY AND JUDITH GAP.
* WHEN...FROM 3 PM THURSDAY TO NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
* ADDITIONAL DETAILS...THE WET VARIETY OF SNOW MAY POSE SNOW LOAD
IMPACTS TO INFRASTRUCTURE WHERE SNOW IS MOST PERSISTENT THURSDAY
NIGHT. HIGHER SNOW AMOUNTS APPROACHING A FOOT ARE FORECAST FOR THE
SNOWIES.
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.
MTZ301-020030-
/O.NEW.KTFX.WW.Y.0020.260402T1200Z-260403T1200Z/
EAST GLACIER PARK REGION-
INCLUDING THE FOLLOWING LOCATIONS: EAST GLACIER PARK, BABB, SAINT
MARY, MARIAS PASS, LOGAN PASS, AND KIOWA
1048 PM MDT TUE MAR 31 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT
FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 8
INCHES.
* WHERE...EAST GLACIER PARK REGION ZONE.
* WHEN...FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.
* ADDITIONAL DETAILS...THE WET VARIETY OF SNOW MAY POSE SNOW LOAD
IMPACTS TO INFRASTRUCTURE.
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.
AM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page