421
WWUS45 KTFX 212053
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
153 PM MST SUN DEC 21 2025
MTZ304>306-310-221230-
/O.EXB.KTFX.WW.Y.0060.251222T0300Z-251222T1800Z/
EASTERN TOOLE AND LIBERTY-HILL COUNTY-NORTHERN BLAINE COUNTY-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE FOLLOWING LOCATIONS: JOPLIN, FORT BELKNAP, CHINOOK,
DEVON, WHITLASH, HOGELAND, CARTER, FORT BENTON, LOTHAIR, HARLEM,
ZURICH, CHESTER, HAVRE, SHELBY, GALATA, AND FLOWEREE
153 PM MST SUN DEC 21 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM
MST MONDAY...
* WHAT...THERE IS A SLIGHT CHANCE FOR LIGHT FREEZING RAIN DEVELOPING
LATE TONIGHT THROUGH MONDAY MORNING. TOTAL ICE ACCUMULATIONS
AROUND A LIGHT GLAZE POSSIBLE.
* WHERE...EASTERN TOOLE AND LIBERTY COUNTIES, HILL COUNTY, NORTHERN
BLAINE COUNTY, AND WESTERN AND CENTRAL CHOUTEAU COUNTY.
* WHEN...FROM 8 PM THIS EVENING TO 11 AM MST MONDAY.
* IMPACTS...VERY SLIPPERY SIDEWALKS, ROADS AND BRIDGES ARE POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE
POWER OUTAGES. THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING
5 1 1 OR VISITING THE MDT ROAD REPORT WEBSITE.
MTZ327-330-221230-
/O.CON.KTFX.WW.Y.0060.000000T0000Z-251222T1600Z/
NORTHWEST BEAVERHEAD COUNTY-GALLATIN AND MADISON COUNTY MOUNTAINS
AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: DEWEY, BIG HOLE PASS, WISE
RIVER, BIG SKY, RAYNOLDS PASS, CHIEF JOSEPH PASS, WISDOM, WEST
YELLOWSTONE, AND TARGHEE PASS
153 PM MST SUN DEC 21 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST MONDAY
* WHAT...SNOW AND MIXED PRECIPITATION EXPECTED. ADDITIONAL SNOW
ACCUMULATIONS UP TO 2 INCHES OVER THE VALLEYS AND 2 TO 5 INCHES AT
AND ABOVE PASS LEVEL. THE SNOW MAY MIX WITH LIGHT FREEZING RAIN OR
DRIZZLE THIS EVENING AND TONIGHT WITH ICE ACCUMULATIONS UP TO A
GLAZE. WINDS MAY GUST AS HIGH AS 40 MPH AT TIMES.
* WHERE...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS AND NORTHWEST BEAVERHEAD COUNTY.
* WHEN...UNTIL 9 AM MST MONDAY.
* IMPACTS...PLAN FOR WINTER DRIVING CONDITIONS. SIDEWALKS AND OTHER
SURFACES MAY BECOME ICY AND SLIPPERY IN AREAS THAT OBSERVE
FREEZING RAIN OR DRIZZLE.
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.
WILSON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page