768  
WWUS45 KMSO 032136  
WSWMSO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MISSOULA MT  
236 PM MST SAT DEC 3 2022  
 
IDZ009-010-051500-  
/O.NEW.KMSO.WW.Y.0052.221204T1800Z-221205T1500Z/  
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-  
236 PM MST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 8 AM  
MST MONDAY...  
 
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS  
OF 2 TO 4 INCHES AND ICE ACCUMULATIONS OF A LIGHT GLAZE.  
 
* WHERE...SHOUP, BANNOCK PASS, HIGHWAY 28 TENDOY TO LONE PINE,  
HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE, LEMHI PASS, AND  
SALMON.  
 
* WHEN...FROM 11 AM SUNDAY TO 8 AM MST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
MTZ006-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T2200Z-221205T2000Z/  
BITTERROOT/SAPPHIRE MOUNTAINS-  
236 PM MST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SUNDAY TO 1 PM MST  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 6  
INCHES.  
 
* WHERE...LOLO PASS, LOST TRAIL PASS, AND BITTERROOT/SAPPHIRE  
MOUNTAINS.  
 
* WHEN...FROM 3 PM SUNDAY TO 1 PM MST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
MTZ043-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T2200Z-221205T1900Z/  
POTOMAC/SEELEY LAKE REGION-  
236 PM MST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SUNDAY TO NOON MST  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 6  
INCHES.  
 
* WHERE...HIGHWAY 200 BONNER TO GREENOUGH, HIGHWAY 83 SEELEY  
LAKE TO CONDON, AND I-90 EAST MISSOULA TO BEARMOUTH.  
 
* WHEN...FROM 3 PM SUNDAY TO NOON MST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
MTZ004-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T2200Z-221205T2000Z/  
LOWER CLARK FORK REGION-  
236 PM MST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SUNDAY TO 1 PM MST  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 2 TO 4  
INCHES.  
 
* WHERE...EVARO HILL, HIGHWAY 200 THOMPSON FALLS TO PLAINS,  
HIGHWAY 200 TROUT CREEK TO HERON, AND I-90 LOOKOUT PASS TO  
HAUGAN.  
 
* WHEN...FROM 3 PM SUNDAY TO 1 PM MST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
MTZ005-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T2200Z-221205T1900Z/  
MISSOULA/BITTERROOT VALLEYS-  
236 PM MST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SUNDAY TO NOON MST  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES.  
ISOLATED HIGH AMOUNTS OF 4 TO 6 INCHES.  
 
* WHERE...MISSOULA/BITTERROOT VALLEYS.  
 
* WHEN...FROM 3 PM SUNDAY TO NOON MST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
IDZ005-006-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T1800Z-221205T2000Z/  
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-  
136 PM PST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO NOON  
PST MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 6  
INCHES.  
 
* WHERE...ELK RIVER, HIGHWAY 11 PIERCE TO HEADQUARTERS, PIERCE,  
DIXIE, ELK CITY, AND HIGHWAY 12 LOWELL TO LOLO PASS.  
 
* WHEN...FROM 10 AM SUNDAY TO NOON PST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
IDZ007-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T1800Z-221205T2000Z/  
OROFINO/GRANGEVILLE REGION-  
136 PM PST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO NOON  
PST MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 2 TO 4  
INCHES.  
 
* WHERE...CAMAS PRAIRIE, GRANGEVILLE AND VICINITY, AND GREER  
GRADE.  
 
* WHEN...FROM 10 AM SUNDAY TO NOON PST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
IDZ008-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T1800Z-221205T2000Z/  
LOWER HELLS CANYON/SALMON RIVER REGION-  
136 PM PST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO NOON  
PST MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF TRACE TO 1  
INCH BELOW 2000 FEET. HIGHER AMOUNTS OF 3 TO 5 INCHES OVER  
WHITEBIRD HILL.  
 
* WHERE...WHITEBIRD HILL AND LOWER HELLS CANYON/SALMON RIVER  
REGION.  
 
* WHEN...FROM 10 AM SUNDAY TO NOON PST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
MTZ007-051800-  
/O.NEW.KMSO.WW.Y.0052.221204T2200Z-221205T1900Z/  
BUTTE/BLACKFOOT REGION-  
236 PM MST SAT DEC 3 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SUNDAY TO NOON MST  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 6  
INCHES.  
 
* WHERE...BUTTE, GEORGETOWN LAKE, HIGHWAY 12 GARRISON TO  
ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS.  
 
* WHEN...FROM 3 PM SUNDAY TO NOON MST MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
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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