439
WWUS45 KTFX 011955
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
155 PM MDT WED APR 1 2026
MTZ317-330-021100-
/O.CON.KTFX.WS.W.0004.260402T1500Z-260403T1800Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-GALLATIN AND MADISON COUNTY
MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: RAYNOLDS PASS, MONARCH, KINGS
HILL PASS, WEST YELLOWSTONE, NEIHART, BIG SKY, AND TARGHEE PASS
155 PM MDT WED APR 1 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THURSDAY TO NOON
MDT FRIDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND
12 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.
MTZ329-021100-
/O.EXA.KTFX.WW.Y.0020.260402T1200Z-260403T1200Z/
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: MONIDA PASS
155 PM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT
FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 4
INCHES, WITH HIGHER AMOUNTS POSSIBLE IN THE BACKCOUNTRY. WINDS
GUSTING AS HIGH AS 40 MPH.
* WHERE...RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS.
* WHEN...FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
* ADDITIONAL DETAILS...THE HEAVY AND 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.
REMEMBER, A WINTER WEATHER ADVISORY MEANS THAT THERE IS AT LEAST AN
80% CHANCE OF MINOR IMPACTS DUE TO WINTER WEATHER CONDITIONS DURING
THE ADVISORY PERIOD.
MTZ301-307-315-322-327-021100-
/O.CON.KTFX.WW.Y.0020.260402T1200Z-260403T1200Z/
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-UPPER
BLACKFOOT AND MACDONALD PASS-ELKHORN AND BOULDER MOUNTAINS-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: WISE RIVER, KIOWA, CHIEF
JOSEPH PASS, BIG HOLE PASS, LINCOLN, ROGERS PASS, DEWEY, BOULDER,
MACDONALD PASS, MONTANA CITY, EAST GLACIER PARK, MARYSVILLE,
LOGAN PASS, MARIAS PASS, ELK PARK PASS, WISDOM, HOMESTAKE PASS,
WICKES, BABB, CORBIN, CLANCY, FLESHER PASS, AND SAINT MARY
155 PM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6
AM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES, WITH HIGHER AMOUNTS ABOVE PASS LEVEL. WINDS GUSTING AS
HIGH AS 40 MPH.
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT,
UPPER BLACKFOOT AND MACDONALD PASS, ELKHORN AND BOULDER MOUNTAINS,
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 HEAVY AND 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.
REMEMBER, A WINTER WEATHER ADVISORY MEANS THAT THERE IS AT LEAST AN
80% CHANCE OF MINOR IMPACTS DUE TO WINTER WEATHER CONDITIONS DURING
THE ADVISORY PERIOD.
MTZ320-021100-
/O.CON.KTFX.WW.Y.0020.260402T1500Z-260403T1800Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: TRIDENT, DEEP CREEK PASS,
BOZEMAN PASS, BATTLE RIDGE PASS, AND MAUDLOW
155 PM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS 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>314-318-021100-
/O.CON.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: GREAT FALLS, LEWISTOWN,
BENCHLAND, STANFORD, WINDHAM, HILGER, GEYSER, MOCCASIN,
RAYNESFORD, AND HOBSON
155 PM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS 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, ESPECIALLY ON THE US 87 CORRIDOR BETWEEN BELT
AND STANFORD.
* 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...PLAN ON SLIPPERY ROAD CONDITIONS. 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.
REMEMBER, A WINTER WEATHER ADVISORY MEANS THAT THERE IS AT LEAST AN
80% CHANCE OF MINOR IMPACTS DUE TO WINTER WEATHER CONDITIONS DURING
THE ADVISORY PERIOD.
LUDWIG
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