668  
WWUS46 KPDT 191431  
WSWPDT  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PENDLETON OR  
631 AM PST WED FEB 19 2025  
 
ORZ044-507-WAZ027>029-192000-  
/O.CON.KPDT.WW.Y.0012.000000T0000Z-250219T2000Z/  
LOWER COLUMBIA BASIN OF OREGON-FOOTHILLS OF THE NORTHERN BLUE  
MOUNTAINS OF OREGON-YAKIMA VALLEY-LOWER COLUMBIA BASIN OF  
WASHINGTON-FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-  
INCLUDING THE CITIES OF PENDLETON, BOARDMAN, TRI-CITIES, PILOT  
ROCK, WAITSBURG, ATHENA, NACHES, TOPPENISH, IONE, HERMISTON,  
YAKIMA, SUNNYSIDE, DAYTON, CONNELL, PROSSER, AND WALLA WALLA  
631 AM PST WED FEB 19 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
 
 
* WHAT...MIXED PRECIPITATION. ADDITIONAL SNOW ACCUMULATIONS UP TO  
ONE INCH AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE.  
 
* WHERE...LOWER COLUMBIA BASIN OF OREGON AND WASHINGTON, FOOTHILLS  
OF THE NORTHERN BLUE MOUNTAINS OF OREGON, YAKIMA VALLEY, AND  
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.  
 
* WHEN...UNTIL NOON PST TODAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE  
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN  
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND  
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.  
 

 
 

 
 
ORZ502-WAZ030-192015-  
/O.CON.KPDT.WW.Y.0012.000000T0000Z-250220T1200Z/  
NORTHERN BLUE MOUNTAINS OF OREGON-NORTHWEST BLUE MOUNTAINS-  
INCLUDING THE CITIES OF SKI BLUEWOOD RESORT, TOLLGATE, AND  
MEACHAM  
631 AM PST WED FEB 19 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST  
THURSDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 5 TO 10  
INCHES. WINDS GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...IN OREGON, NORTHERN BLUE MOUNTAINS OF OREGON. IN  
WASHINGTON, NORTHWEST BLUE MOUNTAINS.  
 
* WHEN...UNTIL 4 AM PST THURSDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. PERIODS OF MODERATE AND HEAVY  
SNOW WILL COMBINE WITH LOW VISIBILITIES TO CREATE DIFFICULT  
DRIVING CONDITIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. IN OREGON, THE LATEST  
ROAD CONDITIONS CAN BE OBTAINED BY VISITING TRIPCHECK.COM ONLINE, OR  
BY CALLING 5 1 1. IN WASHINGTON, THE LATEST ROAD CONDITIONS CAN BE  
OBTAINED BY VISITING THE WEBSITE WSDOT.WA.GOV/TRAVEL.  
 
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE  
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN  
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND  
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.  
 

 
 

 
 
ORZ508-510-WAZ521-192000-  
/O.CON.KPDT.WW.Y.0012.000000T0000Z-250219T2000Z/  
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-NORTH CENTRAL  
OREGON-SIMCOE HIGHLANDS-  
INCLUDING THE CITIES OF HEPPNER, FOSSIL, MORO, GOLDENDALE,  
CONDON, BICKLETON, DUFUR, AND MAUPIN  
631 AM PST WED FEB 19 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
 
 
* WHAT...MIXED PRECIPITATION. ADDITIONAL SNOW ACCUMULATIONS UP TO  
ONE INCH AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE.  
 
* WHERE...IN OREGON, FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF  
OREGON AND NORTH CENTRAL OREGON. IN WASHINGTON, SIMCOE HIGHLANDS.  
 
* WHEN...UNTIL NOON PST TODAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE  
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN  
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND  
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.  
 

 
 

 
 
ORZ509-192015-  
/O.CON.KPDT.WW.Y.0012.000000T0000Z-250220T1200Z/  
EAST SLOPES OF THE OREGON CASCADES-  
INCLUDING THE CITIES OF CAMP SHERMAN, SISTERS, SUNRIVER, AND LA  
PINE  
631 AM PST WED FEB 19 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST  
THURSDAY...  
 
* WHAT...MIXED PRECIPITATION. ADDITIONAL SNOW ACCUMULATIONS UP TO 6  
INCHES AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE. WINDS GUSTING  
AS HIGH AS 35 MPH.  
 
* WHERE...EAST SLOPES OF THE OREGON CASCADES.  
 
* WHEN...UNTIL 4 AM PST THURSDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS CAN BE OBTAINED BY VISITING TRIPCHECK.COM ONLINE, OR BY  
CALLING 5 1 1.  
 
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE  
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN  
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND  
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.  
 

 
 

 
 
WAZ522-523-192015-  
/O.CON.KPDT.WW.Y.0012.000000T0000Z-250220T1200Z/  
UPPER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST-LOWER  
SLOPES OF THE EASTERN WASHINGTON CASCADES CREST-  
INCLUDING THE CITIES OF CLE ELUM, EASTON, ROSLYN, APPLETON, AND  
CLIFFDELL  
631 AM PST WED FEB 19 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY  
ABOVE 3500 FEET...  
 
* WHAT...SNOW ABOVE 3500 FEET. ADDITIONAL SNOW ACCUMULATIONS BETWEEN  
5 AND 7 INCHES. WINDS GUSTING AS HIGH AS 35 MPH.  
 
* WHERE...UPPER AND LOWER SLOPES OF THE EASTERN WASHINGTON CASCADES  
CREST.  
 
* WHEN...UNTIL 4 AM PST THURSDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE  
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN  
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND  
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.  
 

 
 

 
 
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