487 
WWUS46 KPDT 172003
WSWPDT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
1203 PM PST Wed Dec 17 2025

ORZ502-WAZ030-181215-
/O.EXB.KPDT.WW.Y.0027.251218T1200Z-251219T0000Z/
Northern Blue Mountains of Oregon-Northwest Blue Mountains-
Including the cities of Meacham, Tollgate, and Ski Bluewood
Resort
1203 PM PST Wed Dec 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 4 PM PST 
THURSDAY...

* WHAT...Snow expected. Total snow accumulations between 3 to 7 
  inches. Freezing rain up to a tenth of an inch Thursday.

* WHERE...In Oregon, Northern Blue Mountains of Oregon. In 
  Washington, Northwest Blue Mountains.

* WHEN...From 4 AM to 4 PM PST Thursday.

* IMPACTS...Plan on winter weather driving conditions. Periods of 
  moderate to
  heavy snowfall and strong winds can reduce visibility along I-84 
  and US82.

* ADDITIONAL DETAILS...Confidence in more than a tenth of an inch 
  freezing rain Thursday is low (less than 30 percent chance).


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.

&&

$$

ORZ509-181215-
/O.EXB.KPDT.WW.Y.0027.251218T1200Z-251219T1800Z/
East Slopes of the Oregon Cascades-
Including the cities of Sunriver, Camp Sherman, Sisters, and La
Pine
1203 PM PST Wed Dec 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM THURSDAY TO 10 AM PST 
FRIDAY...

* WHAT...Snow. Total snow accumulations between 4 and 7 inches 
  expected. Winds gusting as high as 45 mph.

* WHERE...East Slopes of the Oregon Cascades.

* WHEN...From 4 AM Thursday to 10 AM PST Friday.

* IMPACTS...Plan on winter weather driving conditions. Periods of 
  moderate to
  heavy snowfall and strong winds can reduce visibility along US 26 
  and US 20.

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.

&&

$$

WAZ522-181215-
/O.CON.KPDT.WW.Y.0027.000000T0000Z-251219T0000Z/
Upper Slopes of the Eastern Washington Cascades Crest-
Including the cities of Easton and Roslyn
1203 PM PST Wed Dec 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST 
THURSDAY...

* WHAT...Snow and freezing rain. Additional snow accumulations 
  between 4 and
  10 inches mostly through Thursday morning. Freezing rain up to a 
  tenth of an inch Thursday. 

* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.

* WHEN...Until 4 PM PST Thursday.

* IMPACTS...Plan on winter weather driving conditions. Periods of 
  moderate to
  heavy snowfall, strong winds, and blowing snow could significantly 
  reduce visibility along I-90 and US 12. Freezing rain could bring 
  slippery conditions.

* ADDITIONAL DETAILS...Confidence in more than a tenth of an inch 
  freezing rain Thursday is low (less than 20 percent chance).


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions can be obtained by visiting the website 
wsdot.wa.gov/travel.

&&

$$

WAZ523-181215-
/O.CON.KPDT.WW.Y.0027.000000T0000Z-251219T0000Z/
Lower Slopes of the Eastern Washington Cascades Crest-
Including the cities of Cle Elum, Cliffdell, and Appleton
1203 PM PST Wed Dec 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST 
THURSDAY...

* WHAT...Snow and freezing rain. Additional snow accumulations 
  between 2 and
  6 inches mostly through Thursday morning. Freezing rain up to a 
  tenth of an inch Thursday. 

* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.

* WHEN...Until 4 PM PST Thursday.

* IMPACTS...Travel could be difficult due to periods of moderate to 
  heavy snow. Gusty winds could bring down tree branches. Freezing 
  rain could bring
  slippery conditions.

* ADDITIONAL DETAILS...Confidence in more than a tenth of an inch 
  freezing rain Thursday is low (less than 20 percent chance).


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions can be obtained by visiting the website 
wsdot.wa.gov/travel.

&&

$$

MD