336  
WWUS45 KTFX 182156  
WSWTFX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
256 PM MST THU JAN 18 2018  
 
MTZ009-048-191200-  
/O.CON.KTFX.WW.Y.0064.000000T0000Z-180119T1800Z/  
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING THE FOLLOWING LOCATIONS MARIAS PASS  
256 PM MST THU JAN 18 2018  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST  
FRIDAY...  
 
* WHAT...SNOW OCCURRING. PLAN ON SLIPPERY ROAD CONDITIONS,  
INCLUDING DURING THE EVENING COMMUTE. ADDITIONAL SNOW  
ACCUMULATIONS OF 1 TO 3 INCHES, WITH LOCALIZED AMOUNTS UP TO 6  
INCHES IN THE MOUNTAINS, ARE EXPECTED.  
 
* WHERE...NORTHERN ROCKY MOUNTAIN FRONT AND SOUTHERN ROCKY  
MOUNTAIN FRONT.  
 
* WHEN...UNTIL 11 AM MST FRIDAY.  
 
* ADDITIONAL DETAILS...BE PREPARED FOR REDUCED VISIBILITIES AT  
TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL  
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED  
ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING.  
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 
MTZ008-015-055-191200-  
/O.CON.KTFX.WW.Y.0064.180119T0300Z-180119T1800Z/  
BEAVERHEAD-MADISON-GALLATIN-  
INCLUDING THE FOLLOWING LOCATIONS BIG HOLE PASS, WISDOM, DILLON,  
CHIEF JOSEPH PASS, MONIDA PASS, WISE RIVER, ENNIS, NORRIS HILL,  
RAYNOLDS PASS, TWIN BRIDGES, VIRGINIA CITY, BOZEMAN,  
WEST YELLOWSTONE, BATTLE RIDGE PASS, BOZEMAN PASS,  
AND TARGHEE PASS  
256 PM MST THU JAN 18 2018  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS  
EVENING TO 11 AM MST FRIDAY...  
 
* WHAT...RAIN, FREEZING RAIN, AND SNOW THIS EVENING BECOMING ALL  
SNOW OVERNIGHT TONIGHT. PLAN ON SLIPPERY ROAD CONDITIONS. TOTAL  
SNOW ACCUMULATIONS OF 2 TO 4 INCHES, WITH LOCALIZED AMOUNTS UP  
TO 8 INCHES IN THE MOUNTAINS, ARE EXPECTED. ANY ICE  
ACCUMULATIONS ARE EXPECTED TO BE NO MORE THAN A MINOR GLAZE.  
 
* WHERE...BEAVERHEAD, MADISON AND GALLATIN.  
 
* WHEN...FROM 8 PM THIS EVENING TO 11 AM MST FRIDAY.  
 
* ADDITIONAL DETAILS...BE PREPARED FOR REDUCED VISIBILITIES AT  
TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL  
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED  
ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING.  
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 
MTZ012-014-050-052>054-191200-  
/O.CON.KTFX.WW.Y.0064.180119T0000Z-180119T1800Z/  
CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-JUDITH BASIN-  
JEFFERSON-BROADWATER-MEAGHER-  
INCLUDING THE FOLLOWING LOCATIONS KINGS HILL PASS, HELENA,  
LINCOLN, MACDONALD PASS, ROGERS PASS, MONTANA CITY, BOULDER,  
BOULDER HILL, ELK PARK PASS, HOMESTAKE PASS, WHITEHALL, TOSTON,  
TOWNSEND, MARTINSDALE, AND WHITE SULPHUR SPRINGS  
256 PM MST THU JAN 18 2018  
 
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 5 PM THIS EVENING  
UNTIL 11 AM MST FRIDAY...  
 
* WHAT...RAIN, FREEZING RAIN, AND SNOW THIS EVENING BECOMING ALL  
SNOW OVERNIGHT TONIGHT. PLAN ON SLIPPERY ROAD CONDITIONS. TOTAL  
SNOW ACCUMULATIONS OF 1 TO 3 INCHES IN THE VALLEYS, WITH 3 TO 9  
INCHES IN THE MOUNTAINS, ARE EXPECTED. ANY ICE  
ACCUMULATIONS ARE EXPECTED TO BE NO MORE THAN A MINOR GLAZE.  
 
* WHERE...PORTIONS OF CENTRAL, SOUTHWEST AND WEST CENTRAL MONTANA.  
THIS ADVISORY DOES NOT INCLUDE GREAT FALLS AND LEWISTOWN.  
 
* WHEN...UNTIL 11 AM MST FRIDAY.  
 
* ADDITIONAL DETAILS...BE PREPARED FOR REDUCED VISIBILITIES AT  
TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL  
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED  
ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING.  
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 
HTTP://WWW.WEATHER.GOV/GREATFALLS  
 
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