631
WWUS45 KTFX 050313
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
813 PM MST WED MAR 4 2026
MTZ329-051600-
/O.EXA.KTFX.WW.Y.0012.000000T0000Z-260305T1600Z/
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: MONIDA PASS
813 PM MST WED MAR 4 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST THURSDAY
* WHAT...SNOW. SNOW ACCUMULATIONS BETWEEN 2 AND 4 INCHES OVER MONIDA
PASS WITH HIGHER AMOUNTS ABOVE 7000 FEET. WINDS GUSTING AS HIGH AS
40 MPH.
* WHERE...RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS.
* WHEN...UNTIL 9 AM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
MTZ325-326-051600-
/O.EXA.KTFX.WW.Y.0012.260305T0600Z-260305T2200Z/
MADISON RIVER VALLEY-GALLATIN VALLEY-
INCLUDING THE FOLLOWING LOCATIONS: MCALLISTER, ENNIS, BOZEMAN,
NORRIS, JEFFERS, GALLATIN GATEWAY, AND CAMERON
813 PM MST WED MAR 4 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM MST THURSDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 2 INCHES IN
THE VALLEYS WITH UP TO 4 INCHES IN FOOTHILLS ADJACENT TO THE
MOUNTAINS.
* WHERE...GALLATIN VALLEY AND MADISON RIVER VALLEY.
* WHEN...UNTIL 3 PM MST THURSDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE THURSDAY MORNING COMMUTE.
* ADDITIONAL DETAILS...LOWER ELEVATION RAIN AND MOUNTAIN SNOW
SHOWERS DEVELOP OVERNIGHT WITH RAIN CHANGING TO SNOW AT LOWER
ELEVATIONS THURSDAY MORNING. A PERIOD OF MODERATE SNOWFALL WITH
SLUSHY ACCUMULATION ON ROAD SURFACES IS POSSIBLE DURING THE
THURSDAY MORNING COMMUTE IN THE GALLATIN VALLEY.
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.
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.
MTZ315-322-051600-
/O.CON.KTFX.WW.Y.0012.000000T0000Z-260305T1600Z/
UPPER BLACKFOOT AND MACDONALD PASS-ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: CORBIN, ELK PARK PASS,
MARYSVILLE, WICKES, LINCOLN, MONTANA CITY, CLANCY, MACDONALD
PASS, FLESHER PASS, HOMESTAKE PASS, AND BOULDER
813 PM MST WED MAR 4 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST
THURSDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 2 TO 4 INCHES.
* WHERE...ELKHORN AND BOULDER MOUNTAINS AND UPPER BLACKFOOT AND
MACDONALD PASS.
* WHEN...UNTIL 9 AM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
MTZ320-051600-
/O.CON.KTFX.WW.Y.0012.000000T0000Z-260305T2200Z/
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: BOZEMAN PASS, TRIDENT,
MAUDLOW, BATTLE RIDGE PASS, AND DEEP CREEK PASS
813 PM MST WED MAR 4 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST
THURSDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES NEAR AND AT PASS LEVEL WITH HIGHER AMOUNTS ABOVE PASS LEVEL.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS.
* WHEN...UNTIL 3 PM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
MTZ327-051600-
/O.CON.KTFX.WW.Y.0012.000000T0000Z-260305T1600Z/
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: CHIEF JOSEPH PASS, DEWEY,
WISDOM, BIG HOLE PASS, AND WISE RIVER
813 PM MST WED MAR 4 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST
THURSDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES AT PASS LEVEL WITH HIGHER AMOUNTS ABOVE PASS LEVEL.
* WHERE...NORTHWEST BEAVERHEAD COUNTY.
* WHEN...UNTIL 9 AM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
MTZ330-051600-
/O.CON.KTFX.WW.Y.0012.000000T0000Z-260305T2200Z/
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: TARGHEE PASS, RAYNOLDS PASS,
WEST YELLOWSTONE, AND BIG SKY
813 PM MST WED MAR 4 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST
THURSDAY...
* WHAT...SNOW. SNOW ACCUMULATIONS BETWEEN 3 AND 6 INCHES BELOW 7000
FEET WITH 6 TO 9 INCHES ABOVE 7000 FEET. WINDS GUSTING AS HIGH AS
35 MPH.
* WHERE...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS.
* WHEN...UNTIL 3 PM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
MTZ317-051600-
/O.CON.KTFX.WW.Y.0012.260305T0600Z-260305T2200Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: NEIHART, MONARCH, AND KINGS
HILL PASS
813 PM MST WED MAR 4 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST
THURSDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 2 TO 5 INCHES.
* WHERE...LITTLE BELT AND HIGHWOOD MOUNTAINS.
* WHEN...UNTIL 3 PM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
HOENISCH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page