453  
FWUS46 KPDT 192156  
SAGPDT  
 
AVALANCHE GUIDANCE  
NATIONAL WEATHER SERVICE PENDLETON OR  
256 PM PDT THU OCT 19 2017  
 
ORZ050-201300-  
WALLOWA MOUNTAINS 8000 TO 9000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
WIDESPREAD RAIN AND SNOW. SNOW ACCUMULATION UP TO  
5 INCHES. SOUTH WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH BECOMING  
WEST 10 TO 15 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT. LOWS 17 TO  
24.    
FRIDAY
 
SNOW IN THE MORNING, THEN SNOW SHOWERS IN THE AFTERNOON.  
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 10 TO 15 MPH WITH  
GUSTS TO 25 MPH. HIGHS 20 TO 27.    
FRIDAY NIGHT
 
SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW  
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO  
20 MPH WITH GUSTS TO 30 MPH. LOWS 12 TO 19.    
SATURDAY
 
SNOW. SNOW ACCUMULATION OF 2 TO 5 INCHES. SOUTHWEST  
WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 28 TO  
34.    
SATURDAY NIGHT
 
SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES.  
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH. LOWS 22 TO 29.    
SUNDAY
 
RAIN AND SNOW. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST  
WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH DECREASING TO 15 TO 25 MPH  
WITH GUSTS TO 35 MPH IN THE AFTERNOON. HIGHS 28 TO 35.  
 

 
 
ORZ050-201300-  
SALT CREEK AREA 5000 TO 7000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
RAIN LIKELY IN THE EVENING, THEN WIDESPREAD RAIN AFTER  
MIDNIGHT. SOUTH WINDS 15 TO 20 MPH IN THE EVENING BECOMING LIGHT.  
GUSTS UP TO 30 MPH. LOWS 27 TO 34.    
FRIDAY
 
SNOW IN THE MORNING, THEN SNOW SHOWERS LIKELY IN THE  
AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS UP TO  
10 MPH IN THE MORNING BECOMING LIGHT. HIGHS 30 TO 37.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION  
UP TO 1 INCH. LIGHT WINDS. LOWS 20 TO 27.    
SATURDAY
 
SNOW LIKELY IN THE MORNING, THEN SNOW IN THE AFTERNOON.  
SNOW ACCUMULATION OF 1 TO 4 INCHES. SOUTH WINDS 10 TO 15 MPH. HIGHS  
27 TO 34.    
SATURDAY NIGHT
 
RAIN AND SNOW IN THE EVENING, THEN RAIN LIKELY  
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. SOUTH WINDS 10 TO  
15 MPH. LOWS 27 TO 34.    
SUNDAY
 
RAIN LIKELY. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH. HIGHS 36 TO 43.  
 

 
 
ORZ050-062-201300-  
CLEAR CREEK AREA 6000 TO 8000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
CHANCE OF RAIN IN THE EVENING, THEN RAIN AND SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. SOUTH WINDS 15 TO 25 MPH  
BECOMING WEST AROUND 10 MPH AFTER MIDNIGHT. GUSTS UP TO 35 MPH. LOWS  
24 TO 31.    
FRIDAY
 
SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST  
WINDS AROUND 10 MPH. HIGHS 27 TO 34.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO  
1 INCH. WEST WINDS UP TO 10 MPH. LOWS 17 TO 24.    
SATURDAY
 
SNOW LIKELY IN THE MORNING, THEN SNOW IN THE AFTERNOON.  
SNOW ACCUMULATION OF 1 TO 5 INCHES. LIGHT WINDS BECOMING SOUTH 10 TO  
15 MPH IN THE AFTERNOON. HIGHS 25 TO 32.    
SATURDAY NIGHT
 
SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES.  
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 24 TO 31.    
SUNDAY
 
RAIN LIKELY. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH. HIGHS 34 TO 41.  
 

 
 
ORZ050-062-201300-  
CATHERINE CREEK AREA 6000 TO 8000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
WIDESPREAD RAIN. SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO  
40 MPH BECOMING WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH AFTER  
MIDNIGHT. LOWS 23 TO 30.    
FRIDAY
 
SNOW IN THE MORNING, THEN SNOW SHOWERS IN THE AFTERNOON.  
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 10 TO 15 MPH. HIGHS  
27 TO 34.    
FRIDAY NIGHT
 
SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW  
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO  
15 MPH. GUSTS UP TO 25 MPH IN THE EVENING. LOWS 17 TO 24.    
SATURDAY
 
SNOW. SNOW ACCUMULATION OF 1 TO 5 INCHES. SOUTH WINDS  
10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 26 TO 33.    
SATURDAY NIGHT
 
SNOW IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 4 INCHES. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO 35 MPH. LOWS 25 TO 32.    
SUNDAY
 
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE AFTERNOON.  
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 33 TO 40.  
 

 
 
ORZ050-062-201300-  
NORWAY AREA 7000 TO 10000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
CHANCE OF RAIN AND SNOW IN THE EVENING, THEN SNOW AND  
WIDESPREAD RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES.  
SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH BECOMING WEST AROUND  
10 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT. LOWS 21 TO 28.    
FRIDAY
 
SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST  
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 24 TO  
31.    
FRIDAY NIGHT
 
SNOW SHOWERS LIKELY IN THE EVENING, THEN SLIGHT  
CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST  
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING. LOWS 15 TO  
22.    
SATURDAY
 
SNOW LIKELY IN THE MORNING, THEN SNOW IN THE AFTERNOON.  
SNOW ACCUMULATION OF 1 TO 6 INCHES. SOUTH WINDS 10 TO 15 MPH. GUSTS  
UP TO 25 MPH IN THE AFTERNOON. HIGHS 24 TO 31.    
SATURDAY NIGHT
 
SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES.  
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH. LOWS 22 TO 29.    
SUNDAY
 
RAIN AND SNOW LIKELY. SNOW ACCUMULATION UP TO 3 INCHES.  
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS 31 TO 38.  
 

 
 
ORZ062-503-201300-  
ANTHONY LAKES AREA 7000 TO 9000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
RAIN LIKELY AND SNOW IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 15 TO  
25 MPH WITH GUSTS TO 35 MPH. LOWS 18 TO 25.    
FRIDAY
 
SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES.  
WEST WINDS 15 TO 25 MPH. HIGHS 22 TO 29.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO  
1 INCH. WEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER  
MIDNIGHT. LOWS 15 TO 22.    
SATURDAY
 
SNOW. SNOW ACCUMULATION OF 2 TO 5 INCHES. SOUTHWEST  
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 27 TO  
34.    
SATURDAY NIGHT
 
SNOW AND RAIN. SNOW ACCUMULATION UP TO 3 INCHES.  
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. LOWS 25 TO 32.    
SUNDAY
 
RAIN IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.  
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. HIGHS 33 TO 40.  
 

 
 
ORZ502-201300-  
BLUE MOUNTAINS 4000 TO 6000 FEET-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
WIDESPREAD RAIN. WEST WINDS UP TO 10 MPH. GUSTS UP TO  
25 MPH AFTER MIDNIGHT. LOWS 28 TO 35.    
FRIDAY
 
SNOW WITH RAIN LIKELY IN THE MORNING, THEN SHOWERS AND  
SNOW SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO  
2 INCHES. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. HIGHS 36 TO  
42.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO  
1 INCH. WEST WINDS AROUND 10 MPH WITH GUSTS TO 30 MPH. LOWS 24 TO  
31.    
SATURDAY
 
SNOW IN THE MORNING, THEN SNOW AND RAIN IN THE  
AFTERNOON. SNOW ACCUMULATION UP TO 5 INCHES. SOUTH WINDS UP TO  
10 MPH IN THE MORNING BECOMING LIGHT. HIGHS 31 TO 38.    
SATURDAY NIGHT
 
RAIN. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO  
50 MPH. LOWS 31 TO 38.    
SUNDAY
 
RAIN. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH.  
HIGHS 40 TO 47.  
 

 
 
ORZ509-201300-  
BROKEN TOP-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
WIDESPREAD SNOW AND RAIN IN THE EVENING, THEN WIDESPREAD  
SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 5 INCHES. SOUTHWEST  
WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. LOWS 17 TO 24.    
FRIDAY
 
SNOW IN THE MORNING, THEN SNOW SHOWERS IN THE AFTERNOON.  
SNOW ACCUMULATION OF 2 TO 4 INCHES. WEST WINDS 20 TO 30 MPH WITH  
GUSTS TO 40 MPH. HIGHS 21 TO 28.    
FRIDAY NIGHT
 
SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST  
WINDS 15 TO 25 MPH. GUSTS UP TO 35 MPH IN THE EVENING. LOWS 16 TO  
23.    
SATURDAY
 
SNOW IN THE MORNING, THEN RAIN IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 7 INCHES. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS  
TO 35 MPH INCREASING TO 30 TO 40 MPH WITH GUSTS TO 55 MPH IN THE  
AFTERNOON. HIGHS 32 TO 39.    
SATURDAY NIGHT
 
RAIN LIKELY IN THE EVENING, THEN CHANCE OF RAIN  
AFTER MIDNIGHT. SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS TO 70 MPH.  
LOWS 28 TO 35.    
SUNDAY
 
RAIN LIKELY. SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO  
50 MPH. HIGHS 37 TO 44.  
 

 
 
ORZ509-201300-  
TAM MCARTHUR RIM-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
WIDESPREAD RAIN AND SNOW IN THE EVENING, THEN WIDESPREAD  
SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 5 INCHES. SOUTHWEST  
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 18 TO 25.    
FRIDAY
 
SNOW IN THE MORNING, THEN SNOW SHOWERS IN THE AFTERNOON.  
SNOW ACCUMULATION OF 2 TO 3 INCHES. WEST WINDS 15 TO 25 MPH WITH  
GUSTS TO 35 MPH. HIGHS 22 TO 29.    
FRIDAY NIGHT
 
SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST WINDS  
15 TO 25 MPH SHIFTING TO THE SOUTHWEST 10 TO 15 MPH AFTER MIDNIGHT.  
LOWS 17 TO 24.    
SATURDAY
 
SNOW IN THE MORNING, THEN RAIN IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 6 INCHES. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH INCREASING TO 25 TO 35 MPH WITH GUSTS TO 50 MPH IN THE  
AFTERNOON. HIGHS 32 TO 39.    
SATURDAY NIGHT
 
RAIN LIKELY IN THE EVENING, THEN CHANCE OF RAIN  
AFTER MIDNIGHT. SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS TO 70 MPH.  
LOWS 29 TO 36.    
SUNDAY
 
RAIN LIKELY. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO  
45 MPH. HIGHS 38 TO 45.  
 

 
 
ORZ509-201300-  
NEWBERRY CRATER-  
256 PM PDT THU OCT 19 2017  
   
TONIGHT
 
WIDESPREAD RAIN IN THE EVENING, THEN SNOW LIKELY AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 20 TO  
30 MPH WITH GUSTS TO 40 MPH. LOWS 21 TO 28.    
FRIDAY
 
SNOW LIKELY IN THE MORNING, THEN SNOW SHOWERS LIKELY IN  
THE AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. WEST WINDS 15 TO  
25 MPH WITH GUSTS TO 40 MPH. HIGHS 26 TO 33.    
FRIDAY NIGHT
 
CHANCE OF SNOW IN THE EVENING, THEN SNOW LIKELY  
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. SOUTHWEST WINDS  
15 TO 25 MPH. LOWS 18 TO 25.    
SATURDAY
 
SNOW IN THE MORNING, THEN RAIN IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS  
TO 35 MPH INCREASING TO 30 TO 40 MPH WITH GUSTS TO 55 MPH IN THE  
AFTERNOON. HIGHS 35 TO 42.    
SATURDAY NIGHT
 
CLOUDY WITH CHANCE OF RAIN. SOUTHWEST WINDS 30 TO  
40 MPH WITH GUSTS TO 60 MPH. LOWS 30 TO 37.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF RAIN. SOUTHWEST WINDS 20 TO  
30 MPH WITH GUSTS TO 40 MPH. HIGHS 41 TO 48.  
 

 
 
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