498
WWUS45 KMSO 231811
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1111 AM MST SUN NOV 23 2025
IDZ006-MTZ006-241815-
/O.EXB.KMSO.WW.Y.0042.251124T0600Z-251124T1900Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
1111 AM MST SUN NOV 23 2025 /1011 AM PST SUN NOV 23 2025/
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM MST /10 PM PST/ THIS
EVENING TO NOON MST /11 AM PST/ MONDAY...
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD OF MINOR TO MODERATE
WINTER WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS UP TO 2 INCHES IN
THE VALLEYS AND 2 TO 6 INCHES IN THE HIGHER TERRAIN INCLUDING LOLO
AND LOST TRAIL PASSES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...HIGHWAY 93 SULA TO LOST TRAIL PASS, HIGHWAY 12 POWELL TO
LOLO PASS, LOLO PASS, AND DIXIE.
* WHEN...FROM 11 PM MST /10 PM PST/ THIS EVENING TO NOON MST /11 AM
PST/ MONDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. 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.
MTZ002-241815-
/O.CON.KMSO.WW.Y.0042.251124T0600Z-251125T0600Z/
WEST GLACIER REGION-
1111 AM MST SUN NOV 23 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST MONDAY...
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD OF MODERATE TO
ISOLATED MAJOR WINTER WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS
BETWEEN 2 TO 6 INCHES IN THE VALLEYS AND 6 TO 18 INCHES IN THE
HIGHER TERRAIN INCLUDING MARIAS PASS. WINDS GUSTING AS HIGH AS 35
MPH.
* WHERE...POLEBRIDGE, HIGHWAY 83 BIGFORK TO SWAN LAKE, GLACIER
NATIONAL PARK, MARIAS PASS, BAD ROCK CANYON, AND ESSEX.
* WHEN...FROM 11 PM THIS EVENING TO 11 PM MST MONDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR.
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.
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