119  
WWUS45 KBOI 261133  
WSWBOI  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
433 AM MST FRI FEB 26 2021  
 
IDZ033-ORZ062-262200-  
/O.CON.KBOI.WS.W.0007.210226T1200Z-210227T1200Z/  
UPPER WEISER RIVER-BAKER COUNTY-  
433 AM MST FRI FEB 26 2021 /333 AM PST FRI FEB 26 2021/  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM  
PST/ SATURDAY...  
 
* WHAT...SNOW AND BLOWING SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS  
OF 1 TO 3 INCHES BELOW 3500 FEET, WHICH INCLUDES THE BAKER  
VALLEY AND WEISER BASIN. TOTAL ACCUMULATIONS OF 3 TO 6 INCHES  
ABOVE 3500 FEET, EXCEPT 6 TO 12 INCHES OVER THE MOUNTAINS. WINDS  
GUSTING AS HIGH AS 35 MPH.  
 
* WHERE...IN OREGON, BAKER COUNTY ZONE. IN IDAHO, UPPER WEISER  
RIVER ZONE.  
 
* WHEN...UNTIL 5 AM MST /4 AM PST/ SATURDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. AREAS OF  
BLOWING SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...AREAS WHERE THE SNOW IS DRIFTING ACROSS  
THE ROADS COULD MAKE IT DIFFICULT TO KEEP THE ROADS CLEAR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY.  
 
THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
IDZ011-013-262200-  
/O.CON.KBOI.WS.W.0007.000000T0000Z-210227T1200Z/  
WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-  
433 AM MST FRI FEB 26 2021  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST  
SATURDAY...  
 
* WHAT...HEAVY SNOW AND BLOWING SNOW. ADDITIONAL SNOW  
ACCUMULATIONS OF 4 TO 8 INCHES, EXCEPT 8 TO 16 INCHES OVER THE  
MOUNTAINS. WINDS GUSTING AS HIGH AS 35 MPH.  
 
* WHERE...WEST CENTRAL MOUNTAINS AND BOISE MOUNTAINS ZONES.  
 
* WHEN...UNTIL 5 AM MST SATURDAY. THE HEAVIER SNOWFALL RATES AND  
STRONGEST WINDS WILL OCCUR TODAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. AREAS OF BLOWING  
SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...AREAS WHERE THE SNOW IS DRIFTING ACROSS  
THE ROADS COULD MAKE IT DIFFICULT TO KEEP THE ROADS CLEAR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY.  
 
THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
IDZ028-262200-  
/O.CON.KBOI.WW.Y.0012.000000T0000Z-210227T1200Z/  
CAMAS PRAIRIE-  
433 AM MST FRI FEB 26 2021  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST  
SATURDAY...  
 
* WHAT...SNOW AND BLOWING SNOW. ADDITIONAL SNOW ACCUMULATIONS OF  
2 TO 4 INCHES, EXCEPT 4 TO 8 INCHES OVER THE MOUNTAINS. WINDS  
GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...CAMAS PRAIRIE ZONE.  
 
* WHEN...UNTIL 5 AM MST SATURDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. AREAS OF BLOWING  
SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...AREAS WHERE THE SNOW IS DRIFTING ACROSS  
THE ROADS COULD MAKE IT DIFFICULT TO KEEP THE ROADS CLEAR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
IDZ015-029-030-262200-  
/O.CON.KBOI.WW.Y.0012.210226T1800Z-210228T0000Z/  
SOUTHWEST HIGHLANDS-OWYHEE MOUNTAINS-SOUTHERN TWIN FALLS COUNTY-  
433 AM MST FRI FEB 26 2021  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS  
MORNING TO 5 PM MST SATURDAY...  
 
* WHAT...SNOW AND BLOWING SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS  
OF 2 TO 6 INCHES, EXCEPT 6 TO 12 INCHES OVER THE MOUNTAINS.  
WINDS GUSTING AS HIGH AS 45 MPH.  
 
* WHERE...SOUTHERN TWIN FALLS COUNTY, OWYHEE MOUNTAINS AND  
SOUTHWEST HIGHLANDS ZONES.  
 
* WHEN...FROM 11 AM THIS MORNING TO 5 PM MST SATURDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. AREAS OF BLOWING SNOW  
COULD SIGNIFICANTLY REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...AREAS WHERE THE SNOW IS DRIFTING ACROSS  
THE ROADS COULD MAKE IT DIFFICULT TO KEEP THE ROADS CLEAR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
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