293  
WWUS75 KMSO 171837  
NPWMSO  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MISSOULA MT  
1137 AM MST TUE DEC 17 2024  
 
MTZ003-181845-  
/O.CON.KMSO.HW.W.0004.241218T1800Z-241219T0600Z/  
FLATHEAD/MISSION VALLEYS-  
1137 AM MST TUE DEC 17 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 30 MPH EXPECTED. LIKELIHOOD OF STRONG  
WIND GUSTS EXCEEDING 50 MPH IS 60 PERCENT IN THE MISSION VALLEY  
AND 30 PERCENT IN THE FLATHEAD VALLEY.  
 
* WHERE...FLATHEAD/MISSION VALLEYS.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.  
WIDESPREAD POWER OUTAGES ARE EXPECTED. TRAVEL WILL BE DIFFICULT,  
ESPECIALLY FOR HIGH PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN IN THE LOWER LEVELS OF YOUR HOME DURING THE WINDSTORM, AND  
AVOID WINDOWS. WATCH FOR FALLING DEBRIS AND TREE LIMBS. USE CAUTION  
IF YOU MUST DRIVE.  
 

 
 

 
 
MTZ005-181845-  
/O.CON.KMSO.HW.W.0004.241218T1800Z-241219T0600Z/  
MISSOULA/BITTERROOT VALLEYS-  
1137 AM MST TUE DEC 17 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 30 MPH EXPECTED. LIKELIHOOD OF STRONG  
WIND GUSTS EXCEEDING 50 MPH IS 50 PERCENT IN THE MISSOULA VALLEY  
AND 70 PERCENT IN THE BITTERROOT VALLEY WITH ISOLATED WIND GUSTS  
OVER 60 MPH.  
 
* WHERE...MISSOULA/BITTERROOT VALLEYS.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.  
WIDESPREAD POWER OUTAGES ARE EXPECTED. TRAVEL WILL BE DIFFICULT,  
ESPECIALLY FOR HIGH PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN IN THE LOWER LEVELS OF YOUR HOME DURING THE WINDSTORM, AND  
AVOID WINDOWS. WATCH FOR FALLING DEBRIS AND TREE LIMBS. USE CAUTION  
IF YOU MUST DRIVE.  
 

 
 

 
 
MTZ006-181845-  
/O.CON.KMSO.HW.W.0004.241218T1800Z-241219T0600Z/  
BITTERROOT/SAPPHIRE MOUNTAINS-  
1137 AM MST TUE DEC 17 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 30 MPH WITH GUSTS UP TO 55 MPH  
EXPECTED.  
 
* WHERE...BITTERROOT/SAPPHIRE MOUNTAINS.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.  
WIDESPREAD POWER OUTAGES ARE EXPECTED. TRAVEL WILL BE DIFFICULT,  
ESPECIALLY FOR HIGH PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN IN THE LOWER LEVELS OF YOUR HOME DURING THE WINDSTORM, AND  
AVOID WINDOWS. WATCH FOR FALLING DEBRIS AND TREE LIMBS. USE CAUTION  
IF YOU MUST DRIVE.  
 

 
 

 
 
MTZ007-181845-  
/O.CON.KMSO.HW.W.0004.241218T1800Z-241219T0600Z/  
BUTTE/BLACKFOOT REGION-  
1137 AM MST TUE DEC 17 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS TO 30 MPH EXPECTED. LIKELIHOOD OF STRONG  
WIND GUSTS EXCEEDING 60 MPH IS 50 PERCENT ALONG INTERSTATE 90 FROM  
DEERLODGE TO ANACONDA.  
 
* WHERE...BUTTE/BLACKFOOT REGION.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.  
WIDESPREAD POWER OUTAGES ARE EXPECTED. TRAVEL WILL BE DIFFICULT,  
ESPECIALLY FOR HIGH PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN IN THE LOWER LEVELS OF YOUR HOME DURING THE WINDSTORM, AND  
AVOID WINDOWS. WATCH FOR FALLING DEBRIS AND TREE LIMBS. USE CAUTION  
IF YOU MUST DRIVE.  
 

 
 

 
 
MTZ043-181845-  
/O.CON.KMSO.HW.W.0004.241218T1800Z-241219T0600Z/  
POTOMAC/SEELEY LAKE REGION-  
1137 AM MST TUE DEC 17 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 30 MPH WITH GUSTS UP TO 55 MPH  
EXPECTED.  
 
* WHERE...POTOMAC/SEELEY LAKE REGION.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.  
WIDESPREAD POWER OUTAGES ARE EXPECTED. TRAVEL WILL BE DIFFICULT,  
ESPECIALLY FOR HIGH PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN IN THE LOWER LEVELS OF YOUR HOME DURING THE WINDSTORM, AND  
AVOID WINDOWS. WATCH FOR FALLING DEBRIS AND TREE LIMBS. USE CAUTION  
IF YOU MUST DRIVE.  
 

 
 

 
 
IDZ006-181845-  
/O.CON.KMSO.WI.Y.0014.241218T1800Z-241219T0600Z/  
SOUTHERN CLEARWATER MOUNTAINS-  
1037 AM PST TUE DEC 17 2024  
 
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 25 MPH WITH GUSTS UP TO 45 MPH  
EXPECTED.  
 
* WHERE...SOUTHERN CLEARWATER MOUNTAINS.  
 
* WHEN...FROM 10 AM TO 10 PM PST WEDNESDAY.  
 
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE  
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. USE EXTRA CAUTION.  
 

 
 

 
 
IDZ009-010-181845-  
/O.CON.KMSO.WI.Y.0014.241218T1800Z-241219T0600Z/  
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-  
1137 AM MST TUE DEC 17 2024  
 
...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 25 MPH WITH GUSTS UP TO 40 MPH  
EXPECTED.  
 
* WHERE...EASTERN LEMHI COUNTY AND WESTERN LEMHI COUNTY.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE  
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. USE EXTRA CAUTION.  
 

 
 

 
 
MTZ001-181845-  
/O.CON.KMSO.WI.Y.0014.241218T1800Z-241219T0600Z/  
KOOTENAI/CABINET REGION-  
1137 AM MST TUE DEC 17 2024  
 
...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 25 MPH WITH GUSTS UP TO 45 MPH  
EXPECTED.  
 
* WHERE...KOOTENAI/CABINET REGION.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE  
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. USE EXTRA CAUTION.  
 

 
 

 
 
MTZ004-181845-  
/O.CON.KMSO.WI.Y.0014.241218T1800Z-241219T0600Z/  
LOWER CLARK FORK REGION-  
1137 AM MST TUE DEC 17 2024  
 
...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM MST  
WEDNESDAY...  
 
* WHAT...SOUTHWEST WINDS UP TO 25 MPH WITH GUSTS UP TO 45 MPH  
EXPECTED.  
 
* WHERE...LOWER CLARK FORK REGION.  
 
* WHEN...FROM 11 AM TO 11 PM MST WEDNESDAY.  
 
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE  
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. USE EXTRA CAUTION.  
 

 
 

 
 
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