700
WWUS45 KMSO 131433
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
833 AM MDT MON OCT 13 2025
MTZ001-002-131545-
/O.CAN.KMSO.WS.W.0010.000000T0000Z-251013T1800Z/
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
833 AM MDT MON OCT 13 2025
..WINTER STORM WARNING IS CANCELLED
THE THREAT HAS ENDED.
IDZ005-006-131800-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
733 AM PDT MON OCT 13 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING ABOVE 5500 FEET...
* WHAT...SNOW EXPECTED ABOVE 5500 FEET. ADDITIONAL ACCUMULATIONS OF
1 TO 2 INCHES.
* WHERE...DIXIE.
* WHEN...UNTIL 11 AM PDT THIS MORNING.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ003-131800-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
FLATHEAD/MISSION VALLEYS-
833 AM MDT MON OCT 13 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
* WHAT...SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS OF A TRACE TO
1 INCH.
* WHERE...FLATHEAD LAKE, FLATHEAD VALLEY, MISSION VALLEY, AND POLSON.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...THE PRIMARY THREAT IS THE DEVELOPMENT OF ICE, ESPECIALLY
ON BRIDGES, OVERPASSES AND SIDEWALKS. INITIAL LIGHT RAIN OR
MELTING SNOW WILL FREEZE AS TEMPERATURES DROP SUNDAY EVENING,
CREATING SLIPPERY CONDITIONS EVEN IN AREAS THAT SEE LITTLE SNOW
ACCUMULATION. TRAVEL COULD BE DIFFICULT.
* ADDITIONAL DETAILS...GUSTY NORTHEAST TO EAST WINDS GUSTING 40 TO
50 MPH WILL FURTHER EXACERBATE ICE FORMATION AND CREATE COLD WIND
CHILLS IN THE TEENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ004-131800-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
LOWER CLARK FORK REGION-
833 AM MDT MON OCT 13 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
ABOVE 4500 FEET...
* WHAT...SNOW EXPECTED ABOVE 4500 FEET. ADDITIONAL ACCUMULATIONS OF
1 TO 2 INCHES.
* WHERE...LOWER CLARK FORK REGION.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...EXPECT DISRUPTIONS TO NORMAL ACTIVITIES. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE MONDAY
MORNING COMMUTE, ESPECIALLY OVER HIGHER PASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ006-131800-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
833 AM MDT MON OCT 13 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
ABOVE 5500 FEET...
* WHAT...SNOW ABOVE 5500 FEET. ADDITIONAL ACCUMULATIONS OF 1 TO 2
INCHES.
* WHERE...HIGHWAY 93 SULA TO LOST TRAIL PASS.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...WINTER TRAVELING CONDITIONS. FOR MINOR WINTER WEATHER
IMPACTS, EXPECT A FEW INCONVENIENCES TO NORMAL ACTIVITIES. USE
CAUTION WHILE DRIVING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ007-131800-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
BUTTE/BLACKFOOT REGION-
833 AM MDT MON OCT 13 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
ABOVE 5000 FEET...
* WHAT...SNOW ABOVE 5000 FEET. ADDITIONAL ACCUMULATIONS OF 1 TO 2
INCHES.
* WHERE...MACDONALD PASS, BUTTE, GEORGETOWN LAKE, AND HOMESTAKE PASS.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...WINTER TRAVELING CONDITIONS. FOR MINOR WINTER WEATHER
IMPACTS, EXPECT A FEW INCONVENIENCES TO NORMAL ACTIVITIES. USE
CAUTION WHILE DRIVING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ043-131800-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
POTOMAC/SEELEY LAKE REGION-
833 AM MDT MON OCT 13 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
ABOVE 4000 FEET...
* WHAT...SNOW ABOVE 4000 FEET. ADDITIONAL ACCUMULATIONS OF A TRACE
TO 2 INCHES.
* WHERE...HIGHWAY 83 SEELEY LAKE TO CONDON.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...WINTER TRAVELING CONDITIONS. FOR MINOR WINTER WEATHER
IMPACTS, EXPECT A FEW INCONVENIENCES TO NORMAL ACTIVITIES. USE
CAUTION WHILE DRIVING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page