772  
WWUS45 KMSO 071731  
WSWMSO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MISSOULA MT  
1131 AM MDT TUE MAY 7 2024  
 
MTZ006-081700-  
/O.EXA.KMSO.WW.Y.0039.240508T0300Z-240508T1700Z/  
BITTERROOT/SAPPHIRE MOUNTAINS-  
1131 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM  
MDT WEDNESDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 3 TO 6 INCHES FOR  
LOLO AND LOST TRAIL PASSES. 1 TO 3 INCHES FOR THE LOWER ELEVATIONS.  
 
* WHERE...LOLO PASS AND HIGHWAY 93 SULA TO LOST TRAIL PASS.  
 
* WHEN...FROM 9 PM THIS EVENING TO 11 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE AFFECTED.  
 
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.  
 

 
 

 
 
MTZ002-081700-  
/O.CON.KMSO.WW.Y.0039.240508T0000Z-240508T1700Z/  
WEST GLACIER REGION-  
1131 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 11 AM MDT WEDNESDAY ABOVE 4000 FEET...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES  
ALONG HIGHWAY 2 BETWEEN ESSEX AND MARIAS PASS. WINDS GUSTING AS  
HIGH AS 45 MPH OVER MARIAS PASS WILL CAUSE BLOWING SNOW AND LOW  
VISIBILITY.  
 
* WHERE...MARIAS PASS.  
 
* WHEN...FROM 6 PM THIS EVENING TO 11 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE AFFECTED.  
 
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.  
 

 
 

 
 
MTZ007-081700-  
/O.CON.KMSO.WW.Y.0039.240508T0300Z-240508T1700Z/  
BUTTE/BLACKFOOT REGION-  
1131 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING  
TO 11 AM MDT WEDNESDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 6 TO 9 INCHES  
OVER MACDONALD PASS, HOMESTAKE PASS AND GEORGETOWN LAKE. 2 TO 4  
INCHES FOR THE LOWER ELEVATIONS, INCLUDING BUTTE, ANACONDA AND  
PHILIPSBURG. WINDS GUSTING AS HIGH AS 40 MPH OVER WILL CAUSE  
BLOWING SNOW AND LOW VISIBILITY.  
 
* WHERE...BUTTE, GEORGETOWN LAKE, MACDONALD PASS, HOMESTAKE PASS,  
AND HIGHWAY 12 GARRISON TO ELLISTON.  
 
* WHEN...FROM 9 PM THIS EVENING TO 11 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE AFFECTED. A PERIOD OF MODERATE TO HEAVY  
SNOW IS POSSIBLE BETWEEN MIDNIGHT AND 6AM WEDNESDAY.  
 
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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