729
WWUS45 KTFX 231111
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
511 AM MDT THU APR 23 2026
MTZ313-240000-
/O.CON.KTFX.WS.W.0006.000000T0000Z-260424T0000Z/
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE FOLLOWING LOCATIONS: WINDHAM, STANFORD, RAYNESFORD,
GEYSER, MOCCASIN, BENCHLAND, AND HOBSON
511 AM MDT THU APR 23 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES,
WITH HIGHEST AMOUNTS ACROSS NORTHWESTERN PORTIONS OF JUDITH BASIN
COUNTY. WINDS GUSTING AS HIGH AS 50 MPH.
* WHERE...JUDITH BASIN COUNTY AND JUDITH GAP.
* WHEN...UNTIL 6 PM MDT THIS EVENING.
* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW
COVERED ROADWAYS. FALLING AND OR BLOWING SNOW MAY SIGNIFICANTLY
REDUCE VISIBILITY BELOW A QUARTER MILE AT TIMES.
* ADDITIONAL DETAILS...THE HEAVY, WET SNOW MAY CAUSE INSTANCES OF
POWER OUTAGES AND OR TREE DAMAGE.
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.
MTZ317-240000-
/O.CON.KTFX.WS.W.0006.000000T0000Z-260424T0000Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: MONARCH, KINGS HILL PASS, AND
NEIHART
511 AM MDT THU APR 23 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 5 INCHES.
WINDS GUSTING AS HIGH AS 50 MPH.
* WHERE...LITTLE BELT AND HIGHWOOD MOUNTAINS.
* WHEN...UNTIL 6 PM MDT THIS EVENING.
* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW
COVERED ROADWAYS. FALLING AND OR BLOWING SNOW MAY SIGNIFICANTLY
REDUCE VISIBILITY BELOW A QUARTER MILE AT TIMES. THOSE WITH
OUTDOOR PLANS SHOULD BE PREPARED FOR DANGEROUS OUTDOOR CONDITIONS.
* ADDITIONAL DETAILS...THE HEAVY, WET SNOW MAY CAUSE INSTANCES OF
POWER OUTAGES AND OR TREE DAMAGE.
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.
MTZ330-240000-
/O.CON.KTFX.WS.W.0006.000000T0000Z-260424T1800Z/
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: BIG SKY, TARGHEE PASS, WEST
YELLOWSTONE, AND RAYNOLDS PASS
511 AM MDT THU APR 23 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 6 AND 12
INCHES. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW
COVERED ROADWAYS. FALLING AND OR BLOWING SNOW MAY SIGNIFICANTLY
REDUCE VISIBILITY AT TIMES. THOSE WITH OUTDOOR PLANS SHOULD BE
PREPARED FOR DANGEROUS OUTDOOR CONDITIONS.
* ADDITIONAL DETAILS...THE HEAVY, WET SNOW MAY CAUSE INSTANCES OF
POWER OUTAGES AND OR TREE DAMAGE.
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.
MTZ301-302-240000-
/O.CON.KTFX.WW.Y.0022.000000T0000Z-260424T0000Z/
EAST GLACIER PARK REGION-NORTHERN HIGH PLAINS-
INCLUDING THE FOLLOWING LOCATIONS: SAINT MARY, MARIAS PASS, EAST
GLACIER PARK, BABB, LOGAN PASS, BROWNING, DUPUYER, HEART BUTTE,
AND KIOWA
511 AM MDT THU APR 23 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES AT AND
ABOVE PASS LEVEL WITH UP TO AN ADDITIONAL INCH AT LOWER
ELEVATIONS. WINDS GUSTING AS HIGH AS 50 MPH.
* WHERE...EASTERN GLACIER NATIONAL PARK AND ADJACENT FOOTHILLS AND
PLAINS.
* WHEN...UNTIL 6 PM MDT THIS EVENING.
* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW
COVERED ROADWAYS. FALLING AND OR BLOWING SNOW MAY SIGNIFICANTLY
REDUCE VISIBILITY AT TIMES. TIRE CHAINS MAY BE REQUIRED FOR SOME
VEHICLES IF TRAVELING THROUGH MOUNTAIN PASSES. THOSE WITH OUTDOOR
PLANS SHOULD BE PREPARED FOR DANGEROUS OUTDOOR CONDITIONS.
* ADDITIONAL DETAILS...THE HEAVY, WET SNOW MAY CAUSE INSTANCES OF
POWER OUTAGES AND OR TREE DAMAGE.
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.
MTZ307-315-316-319-322-327-329-240000-
/O.CON.KTFX.WW.Y.0022.000000T0000Z-260424T1800Z/
SOUTHERN ROCKY MOUNTAIN FRONT-UPPER BLACKFOOT AND MACDONALD PASS-
GATES OF THE MOUNTAINS-HELENA VALLEY-ELKHORN AND BOULDER
MOUNTAINS-NORTHWEST BEAVERHEAD COUNTY-RUBY MOUNTAINS AND SOUTHERN
BEAVERHEAD MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: ROGERS PASS, CHIEF JOSEPH
PASS, MARYSVILLE, WISDOM, WOLF CREEK, CANYON CREEK, MACDONALD
PASS, WISE RIVER, HELENA, MONIDA PASS, DEWEY, WICKES, ELK PARK
PASS, CORBIN, LINCOLN, BIG HOLE PASS, CRAIG, CLANCY, FLESHER
PASS, HOMESTAKE PASS, MONTANA CITY, AND BOULDER
511 AM MDT THU APR 23 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES AT LOWER
ELEVATIONS AND 8 INCHES IN THE MOUNTAINS. WINDS GUSTING AS HIGH AS
40 MPH.
* WHERE...PORTIONS OF CENTRAL, NORTH CENTRAL, AND SOUTHWEST MONTANA.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TIRE CHAINS MAY BE REQUIRED FOR SOME VEHICLES IF
TRAVELING THROUGH MOUNTAIN PASSES. WIDESPREAD BLOWING SNOW COULD
SIGNIFICANTLY REDUCE VISIBILITY. THE HAZARDOUS CONDITIONS COULD
IMPACT THE THURSDAY MORNING AND EVENING COMMUTES. GUSTY WINDS
COULD BRING DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...SNOW LEVELS WILL CONTINUE TO FALL TO LOWER
ELEVATIONS THROUGH THIS MORNING.
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.
MTZ311-314-318-240000-
/O.CON.KTFX.WW.Y.0022.000000T0000Z-260424T0000Z/
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-FERGUS COUNTY BELOW
4500FT-SNOWY AND JUDITH MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: ROCKY BOY, HILGER, AND
LEWISTOWN
511 AM MDT THU APR 23 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES. WINDS
GUSTING AS HIGH AS 60 MPH.
* WHERE...SNOWY AND JUDITH MOUNTAINS, BEARS PAW MOUNTAINS AND
SOUTHERN BLAINE, AND FERGUS COUNTY BELOW 4500FT.
* WHEN...UNTIL 6 PM MDT THIS EVENING.
* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW
COVERED ROADWAYS. FALLING AND OR BLOWING SNOW MAY SIGNIFICANTLY
REDUCE VISIBILITY AT TIMES. THOSE WITH OUTDOOR PLANS SHOULD BE
PREPARED FOR DANGEROUS OUTDOOR CONDITIONS.
* ADDITIONAL DETAILS...THE WET SNOW MAY CAUSE INSTANCES OF POWER
OUTAGES AND OR TREE DAMAGE.
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.
MTZ312-231800-
/O.CON.KTFX.WW.Y.0022.000000T0000Z-260423T1800Z/
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE FOLLOWING LOCATIONS: GREAT FALLS
511 AM MDT THU APR 23 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 4 INCHES IN
SOUTHERN AND SOUTHEASTERN PORTIONS OF THE COUNTY. WINDS GUSTING AS
HIGH AS 40 MPH.
* WHERE...CASCADE COUNTY BELOW 5000FT.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...EXPECT HIGHLY VARIABLE ROAD CONDITIONS, INCLUDING
DIFFICULT DRIVING DUE TO SLUSH OR SNOW COVERED ROADWAYS.
* ADDITIONAL DETAILS...LITTLE SNOW ACCUMULATION IS FORECAST IN GREAT
FALLS.
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.
MTZ320-240000-
/O.CON.KTFX.WW.Y.0022.000000T0000Z-260424T1800Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: TRIDENT, BOZEMAN PASS, DEEP
CREEK PASS, MAUDLOW, AND BATTLE RIDGE PASS
511 AM MDT THU APR 23 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND 7 INCHES
AT AND NEAR PASS LEVEL, WITH GREATER AMOUNTS ABOVE PASS LEVEL.
WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW
COVERED ROADWAYS. THOSE IN THE BACKCOUNTRY SHOULD ENSURE THEY ARE
PREPARED FOR DANGEROUS CONDITIONS.
* ADDITIONAL DETAILS...THE WET SNOW MAY CAUSE ISOLATED INSTANCES OF
POWER OUTAGES AND OR TREE DAMAGE.
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.
MTZ323>326-328-240000-
/O.CON.KTFX.WW.Y.0022.260424T0000Z-260424T1800Z/
CANYON FERRY AREA-MISSOURI HEADWATERS-MADISON RIVER VALLEY-
GALLATIN VALLEY-BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE FOLLOWING LOCATIONS: ENNIS, GALLATIN GATEWAY,
WINSTON, HARRISON, WHITEHALL, THREE FORKS, WILLOW CREEK, NORRIS,
JEFFERS, TOSTON, GLEN, DILLON, WATERLOO, TOWNSEND, CAMERON, PONY,
BANNACK, MCALLISTER, AND BOZEMAN
511 AM MDT THU APR 23 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...THE INTERSTATE 90 CORRIDOR BETWEEN BOZEMAN AND WHITEHALL,
THE MADISON AND BEAVERHEAD RIVER VALLEYS, AND CANYON FERRY AREA.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING
COMMUTES.
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
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