652
WWUS45 KTFX 121909
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
109 PM MDT SUN OCT 12 2025
MTZ308-316-131015-
/O.CON.KTFX.WS.W.0016.251013T0000Z-251013T1800Z/
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T0000Z/
SOUTHERN HIGH PLAINS-GATES OF THE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: CHOTEAU, CRAIG, PENDROY,
BYNUM, WOLF CREEK, AND CANYON CREEK
109 PM MDT SUN OCT 12 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
TO NOON MDT MONDAY...
* WHAT...FOR THE WINTER WEATHER ADVISORY, SNOW. ADDITIONAL SNOW
ACCUMULATIONS UP TO ONE INCH. FOR THE WINTER STORM WARNING, HEAVY,
WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 8
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...GATES OF THE MOUNTAINS AND SOUTHERN HIGH PLAINS.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 6 PM MDT THIS
EVENING. FOR THE WINTER STORM WARNING, FROM 6 PM MDT THIS EVENING
TO NOON MDT MONDAY.
* IMPACTS...ROADS WILL BECOME SNOW PACKED AND SLIPPERY. THE HEAVY,
WET SNOW MAY CAUSE 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.
MTZ301-307-131015-
/O.CON.KTFX.WS.W.0016.000000T0000Z-251013T1800Z/
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS: MARIAS PASS, KIOWA, ROGERS
PASS, EAST GLACIER PARK, SAINT MARY, BABB, AND LOGAN PASS
109 PM MDT SUN OCT 12 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...HEAVY, WET SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS
BETWEEN 5 AND 11 INCHES EXPECTED ABOVE 6000 FT WITH 3 TO 6 INCHES
EXPECTED BELOW 6000 FT. WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...COLD, WET, AND SNOWY OUTDOOR CONDITIONS CONTINUE THROUGH
MONDAY MORNING BRINGING AN INCREASED RISK FOR HYPOTHERMIA AND
FROSTBITE TO THOSE NOT PROPERLY DRESSED FOR THE WEATHER. ROADS IN
GLACIER NATIONAL PARK AND FOREST ROADS OVER THE HIGHER TERRAIN OF
TETON AND CENTRAL AND NORTHERN LEWIS AND CLARK COUNTY, INCLUDING
GOING-TO-THE-SUN ROAD AND LOGAN PASS, MAY BECOME DIFFICULT TO
IMPOSSIBLE TO TRAVEL. THE HEAVY, WET SNOW MAY CAUSE POWER OUTAGES
AND OTHER INFRASTRUCTURE FAILURES.
* ADDITIONAL DETAILS...THE MOST IMPACTFUL SNOW IS EXPECTED TONIGHT
INTO MONDAY MORNING.
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.
REMEMBER, A WINTER STORM WARNING MEANS THAT THERE IS AT LEAST AN 80%
CHANCE OF IMPACTFUL WINTER WEATHER CONDITIONS DURING THE WARNING
PERIOD.
MTZ319-131015-
/O.EXA.KTFX.WW.Y.0043.251013T0000Z-251013T1800Z/
HELENA VALLEY-
INCLUDING THE FOLLOWING LOCATIONS: HELENA
109 PM MDT SUN OCT 12 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
MDT MONDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 4
INCHES.
* WHERE...HELENA VALLEY.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE MONDAY MORNING COMMUTE. THE WET SNOW
MAY CAUSE ISOLATED 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.
MTZ302-131015-
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T1800Z/
NORTHERN HIGH PLAINS-
INCLUDING THE FOLLOWING LOCATIONS: BROWNING, DUPUYER, AND HEART
BUTTE
109 PM MDT SUN OCT 12 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 2 AND 4 INCHES.
WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...NORTHERN HIGH PLAINS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS AT TIMES, ESPECIALLY
TONIGHT AND MONDAY MORNING. THE WET SNOW MAY CAUSE ISOLATED POWER
OUTAGES AND OR TREE DAMAGE.
* ADDITIONAL DETAILS...SNOWFALL WILL BE MOST IMPACTFUL TONIGHT AND
MONDAY 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.
MTZ315-322-131015-
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T1800Z/
UPPER BLACKFOOT AND MACDONALD PASS-ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: LINCOLN, MONTANA CITY, WICKES,
ELK PARK PASS, HOMESTAKE PASS, MARYSVILLE, CLANCY, MACDONALD
PASS, FLESHER PASS, BOULDER, AND CORBIN
109 PM MDT SUN OCT 12 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND 5 INCHES
AT AND ABOVE PASS-LEVEL. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...ELKHORN AND BOULDER MOUNTAINS AND UPPER BLACKFOOT AND
MACDONALD PASS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.
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.
MTZ317-131015-
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T1800Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: NEIHART, KINGS HILL PASS, AND
MONARCH
109 PM MDT SUN OCT 12 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND 5 INCHES.
* WHERE...LITTLE BELT AND HIGHWOOD MOUNTAINS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...COLD, WET, AND SNOWY OUTDOOR CONDITIONS WILL INCREASE
THE RISK FOR HYPOTHERMIA TO THOSE NOT PROPERLY DRESSED FOR THE
WEATHER. ROADS MAY BECOME SNOWY AND SLIPPERY AT TIMES. ISOLATED
POWER OUTAGES POSSIBLE.
* ADDITIONAL DETAILS...SNOWFALL WILL BE MOST WIDESPREAD TONIGHT INTO
MONDAY 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.
MTZ309-312-313-131015-
/O.CON.KTFX.WW.Y.0043.251013T0000Z-251013T1800Z/
EASTERN PONDERA AND EASTERN TETON-CASCADE COUNTY BELOW 5000FT-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE FOLLOWING LOCATIONS: MOCCASIN, RAYNESFORD, HOBSON,
GREAT FALLS, BRADY, BENCHLAND, CONRAD, WINDHAM, LEDGER, GEYSER,
AND STANFORD
109 PM MDT SUN OCT 12 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT MONDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4
INCHES.
* WHERE...EASTERN PONDERA AND EASTERN TETON COUNTIES, CASCADE COUNTY
BELOW 5000FT, AND JUDITH BASIN COUNTY AND JUDITH GAP.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT MONDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE MONDAY MORNING COMMUTE. THE WET SNOW
MAY CAUSE ISOLATED 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.
IG
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