419
WWUS45 KTFX 200346
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
846 PM MST FRI DEC 19 2025
MTZ330-200500-
/O.CAN.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: RAYNOLDS PASS, WEST
YELLOWSTONE, TARGHEE PASS, AND BIG SKY
846 PM MST FRI DEC 19 2025
..WINTER WEATHER ADVISORY IS CANCELLED
THE THREAT FOR SNOW HAS ENDED.
MTZ327-200500-
/O.EXP.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: DEWEY, BIG HOLE PASS, WISDOM,
WISE RIVER, AND CHIEF JOSEPH PASS
846 PM MST FRI DEC 19 2025
..WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING
THE THREAT FOR SNOW HAS ENDED.
MTZ301-307-201900-
/O.CON.KTFX.WW.Y.0059.000000T0000Z-251221T0000Z/
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS: SAINT MARY, KIOWA, EAST
GLACIER PARK, ROGERS PASS, LOGAN PASS, BABB, AND MARIAS PASS
846 PM MST FRI DEC 19 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES AT
MARIAS PASS, WITH UP TO 10 INCHES AT HIGHER PEAKS.
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT.
* WHEN...UNTIL 5 PM MST SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. AREAS OF BLOWING SNOW
COULD REDUCE VISIBILITY.
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.
GLINSKAS
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