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WWUS46 KPQR 170513
WSWPQR
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
913 PM PST TUE DEC 16 2025
ORZ126>128-171900-
/O.EXB.KPQR.WW.Y.0021.251217T0600Z-251218T0000Z/
NORTH OREGON CASCADES-CASCADES OF MARION AND LINN COUNTIES-
CASCADES OF LANE COUNTY-
INCLUDING THE CITIES OF TIMOTHY LAKE, WALDO LAKE, LOST LAKE,
SANTIAM PASS, GOVERNMENT CAMP, BREITENBUSH SPRINGS, WILLAMETTE
PASS, BENNETT PASS, TOMBSTONE SUMMIT, MCKENZIE PASS, AND SANTIAM
JUNCTION
913 PM PST TUE DEC 16 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST WEDNESDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 4 TO 8
INCHES, MAINLY ABOVE 3000 FEET. POSSIBLE SLICK ROADS AND ICY
CONDITIONS DUE TO FLASH FREEZING. WINDS GUSTING AS HIGH AS 50 TO
65 MPH.
* WHERE...NORTHERN AND CENTRAL OREGON CASCADES.
* WHEN...UNTIL 4 PM PST WEDNESDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
* ADDITIONAL DETAILS...PRECIPITATION IS EXPECTED TO START OUT AS
RAIN BEFORE TRANSITIONING TO SNOW AFTER 4 AM. TEMPERATURES ARE
EXPECTED TO RAPIDLY DROP BELOW FREEZING AS A COLD FRONT PASSES
THROUGH OVERNIGHT. THIS MAY RESULT IN FLASH FREEZING OF WATER ON
ROADWAYS AT PASS LEVEL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAVE A WINTER EMERGENCY DRIVING KIT READILY AVAILABLE. COMMON ITEMS
TO INCLUDE: FLASHLIGHT, BATTERIES, BLANKETS, A SHOVEL, WATER,
NON-PERISHABLE FOOD ITEMS, TIRE CHAINS, ETC.
BE AWARE THAT WALKING SURFACES MAY BE SLICK. WALK WITH EXTRA CARE.
FOR THE LATEST ROAD CONDITIONS AND CHAIN RESTRICTIONS IN OREGON,
CALL 5 1 1, OR VISIT: WWW.TRIPCHECK.COM.
FOR THE LATEST ROAD CONDITIONS AND CHAIN RESTRICTIONS IN WASHINGTON,
VISIT: WSDOT.COM/TRAVEL/REAL-TIME/MAP
WAZ211-171900-
/O.CON.KPQR.WW.Y.0021.251217T0600Z-251218T0600Z/
SOUTH WASHINGTON CASCADES-
INCLUDING THE CITIES OF INDIAN HEAVEN WILDERNESS, MT. ST. HELENS,
AND LARCH MOUNTAIN
913 PM PST TUE DEC 16 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST
WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES,
MAINLY ABOVE 3000 FEET. INTERMITTENT WIND GUSTS AS HIGH AS 50 TO
65 MPH.
* WHERE...SOUTH WASHINGTON CASCADES.
* WHEN...UNTIL 10 PM PST WEDNESDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAVE A WINTER EMERGENCY DRIVING KIT READILY AVAILABLE. COMMON ITEMS
TO INCLUDE: FLASHLIGHT, BATTERIES, BLANKETS, A SHOVEL, WATER,
NON-PERISHABLE FOOD ITEMS, TIRE CHAINS, ETC.
BE AWARE THAT WALKING SURFACES MAY BE SLICK. WALK WITH EXTRA CARE.
FOR THE LATEST ROAD CONDITIONS AND CHAIN RESTRICTIONS IN WASHINGTON,
VISIT: WSDOT.COM/TRAVEL/REAL-TIME/MAP
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
WWW.WEATHER.GOV/PORTLAND
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