503 
WWUS46 KPDT 122059
WSWPDT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
159 PM PDT Wed Mar 12 2025

ORZ509-131500-
/O.UPG.KPDT.WW.Y.0014.250313T0000Z-250314T0600Z/
/O.NEW.KPDT.WS.W.0006.250313T0000Z-250314T0600Z/
/O.NEW.KPDT.WS.A.0002.250314T1200Z-250316T0000Z/
East Slopes of the Oregon Cascades-
Including the cities of Sunriver, Camp Sherman, Sisters, and La
Pine
159 PM PDT Wed Mar 12 2025

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM 
PDT THURSDAY ABOVE 4000 FEET...
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH 
SATURDAY AFTERNOON...

* WHAT...For the Winter Storm Warning, heavy snow expected above 
  4000 feet; total snow accumulations of 6 to 12 inches. For the 
  Winter Storm Watch, heavy snow possible; total snow accumulations 
  of 8 to 16 inches possible above 4000 feet and 2 to 4 inches below 
  4000 feet.

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

* WHEN...For the Winter Storm Warning, from 5 PM this afternoon to 
  11 PM PDT Thursday. For the Winter Storm Watch, from late Thursday 
  night through Saturday afternoon.

* IMPACTS...Significant snowfall with periods of heavy snowfall 
  rates will combine with low visibility to create very difficult 
  driving conditions, especially along US-20 over Santiam Pass.

* ADDITIONAL DETAILS...Winds may gust as high as 45 mph over exposed 
  terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons should consider delaying travel if possible. If travel is 
absolutely necessary, drive with extreme caution and be prepared for 
sudden changes in visibility. Leave plenty of room between you and 
the motorist ahead of you, and allow extra time to reach your 
destination. Avoid sudden braking or acceleration, and be especially 
cautious on hills or when making turns. Make sure your car is 
winterized and in good working order.

&&

$$

WAZ522-131500-
/O.NEW.KPDT.WW.Y.0015.250313T0000Z-250313T1900Z/
Upper Slopes of the Eastern Washington Cascades Crest-
Including the cities of Roslyn and Easton
159 PM PDT Wed Mar 12 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 
NOON PDT THURSDAY ABOVE 3000 FEET...

* WHAT...Snow expected above 3000 feet. Total snow accumulations of 
  5 to 10 inches. Winds gusting as high as 40 mph.

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

* WHEN...From 5 PM this afternoon to noon PDT Thursday.

* IMPACTS...Travel could be difficult due to periods of moderate to 
  heavy snow.

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.

&&

$$