422  
FNUS56 KPDT 202152  
FWFPDT  
 
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON  
NATIONAL WEATHER SERVICE PENDLETON OR  
252 PM PDT FRI OCT 20 2017  
 
...MULTIPLE WINTER WEATHER ADVISORIES AND WIND ADVISORIES IN  
EFFECT FOR SATURDAY AND SATURDAY NIGHT...  
   
DISCUSSION
 
A MOIST WARM FRONT IS STILL ON TRACK FOR SATURDAY. SNOW  
ACCUMULATIONS IN THE EASTERN MOUNTAINS ABOVE 4000 FEET WILL BE ENOUGH  
TO WARRANT WINTER WEATHER ADVISORIES ON SATURDAY BEFORE SNOW CHANGES  
TO RAIN. SNOW LEVELS WILL INCREASE TO AROUND 8000 FEET SATURDAY NIGHT.  
PRECIPITATION AMOUNTS WILL GENERALLY RANGE FROM 0.3-0.75 INCH WITH  
HIGHER AMOUNTS NEAR THE CASCADES AND THE BLUE MOUNTAINS. THE BIGGEST  
IMPACT WILL BE WINDS WITH GUSTS TO 45-55 MPH EXPECTED IN SOME AREAS  
SATURDAY AND SATURDAY NIGHT (STRONGER GUSTS ALONG EXPOSED RIDGES).  
SHOWERS WILL FOLLOW ON SUNDAY, MAINLY OVER THE MOUNTAINS. DRIER AND  
WARMER CONDITIONS ARE FORECAST FOR MONDAY AND TUESDAY THEN A FAST MOVING  
FRONT ON WEDNESDAY WITH BRING A CHANCE OF SHOWERS AND BREEZY WINDS.  
 
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***  
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***  
 
HIGH ELEVATION HAINES INDEX OBSERVED FRIDAY MORNING OCTOBER 20  
SALEM...3 MEDFORD...3 SPOKANE...2 BOISE...2  
 
ORZ639-WAZ639-211145-  
EAST SLOPES OF THE NORTHERN OREGON CASCADES-  
EAST SLOPES OF THE SOUTHERN WASHINGTON CASCADES-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS IN THE  
EVENING. A CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE.....34-40.  
* MAX HUMIDITY........90-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST TO WEST WINDS 6 TO 14 MPH,  
GUSTS TO 30 MPH IN THE EVENING.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 9 TO 15 MPH.  
* CWR.................20 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 25 MPH BECOMING SOUTHWEST UP TO  
20 MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. RAIN...HEAVY AT TIMES.  
* MAX TEMPERATURE.....50-57...EXCEPT 47-52 RIDGES.  
* MIN HUMIDITY........75-88 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 11 TO 17 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH UP TO 15 MPH INCREASING TO UP TO 30 MPH  
IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........91-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 12 TO 19 MPH...EXCEPT WEST 7 TO  
13 MPH WITH GUSTS UP TO 25 MPH IN THE EASTERN COLUMBIA RIVER  
GORGE.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 21 TO 31 MPH.  
* CWR.................60 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN IN THE MORNING, THEN A  
CHANCE OF RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE.....56-63...EXCEPT 49-54 RIDGES.  
* MIN HUMIDITY........64-79 PERCENT...EXCEPT 75-84 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 12 TO 18 MPH...EXCEPT WEST 7 TO  
13 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....WEST WINDS 14 TO 24 MPH.  
* CWR.................70 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 25 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 43 TO  
48. HIGHS 55 TO 65. WEST WINDS 4 TO 9 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 59 TO 66. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
38 TO 45. HIGHS 53 TO 66. SOUTHWEST WINDS 5 TO 11 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 30 TO 35. HIGHS 52 TO 61. EAST  
WINDS 1 TO 6 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 52 TO 61. SOUTHWEST  
WINDS UP TO 5 MPH.  
 

 
 
ORZ610-211145-  
EAST SLOPES OF CENTRAL OREGON CASCADES-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT.  
* MIN TEMPERATURE.....34-39...EXCEPT 29-34 RIDGES.  
* MAX HUMIDITY........89-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 9 TO 15 MPH.  
* CWR.................50 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 20 TO 30 MPH BECOMING SOUTHWEST 5 TO  
15 MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. SNOW IN THE MORNING. RAIN IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....52-58...EXCEPT 45-51 RIDGES.  
* MIN HUMIDITY........67-80 PERCENT...EXCEPT 80-89 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 10 TO 16 MPH INCREASING TO  
SOUTHWEST 16 TO 22 MPH IN THE AFTERNOON. GUSTS TO 35 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 18 TO 28 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN.  
* MIN TEMPERATURE.....42-49.  
* MAX HUMIDITY........84-97 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...BREEZY. SOUTHWEST WINDS 17 TO 26 MPH WITH  
GUSTS UP TO 40 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 27 TO 37 MPH.  
* CWR.................50 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 25 TO 40 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN.  
* MAX TEMPERATURE.....54-63...EXCEPT 47-52 RIDGES.  
* MIN HUMIDITY........60-75 PERCENT...EXCEPT 76-88 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 11 TO 17 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 18 TO 28 MPH DECREASING TO  
15 TO 21 MPH IN THE AFTERNOON.  
* CWR.................50 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....WEST 25 TO 40 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 40 TO 45.  
HIGHS 50 TO 64. SOUTHWEST WINDS 4 TO 9 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 58 TO 67. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
39 TO 44. HIGHS 53 TO 67. SOUTHWEST WINDS 3 TO 8 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS 50 TO 62.  
NORTHEAST WINDS 2 TO 7 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 30 TO 35. HIGHS 50 TO 61. SOUTH  
WINDS 1 TO 5 MPH.  
 

 
 
ORZ611-211145-  
DESCHUTES NATIONAL FOREST - MINUS SISTERS RANGER DISTRICT-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE  
EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....29-34.  
* MAX HUMIDITY........94-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 8 TO 14 MPH.  
* CWR.................50 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. SNOW IN THE MORNING. RAIN IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....46-52...EXCEPT 42-47 RIDGES.  
* MIN HUMIDITY........79-92 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 12 TO 18 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 15 TO 25 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN.  
* MIN TEMPERATURE.....38-43.  
* MAX HUMIDITY........91-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...BREEZY. SOUTHWEST WINDS 16 TO 26 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 22 TO 32 MPH.  
* CWR.................30 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 25 TO 40 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....48-55...EXCEPT 43-48 RIDGES.  
* MIN HUMIDITY........74-89 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 16 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 12 TO 18 MPH.  
* CWR.................40 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 34 TO  
40. HIGHS 47 TO 62. SOUTHWEST WINDS 4 TO 9 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 32 TO 40. HIGHS 57 TO 68. EAST  
WINDS 1 TO 6 MPH.    
WEDNESDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS 33 TO  
40. HIGHS 53 TO 68. SOUTHWEST WINDS 3 TO 8 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 25 TO 31. HIGHS 48 TO 61.  
NORTHEAST WINDS 3 TO 8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 28 TO 34. HIGHS 48 TO 59. EAST WINDS  
1 TO 5 MPH.  
 

 
 
ORZ640-211145-  
CENTRAL MOUNTAINS OF OREGON-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS  
IN THE EVENING. SNOW AND RAIN LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....30-37.  
* MAX HUMIDITY........85-97 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7 TO 13 MPH WITH GUSTS UP TO  
25 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 9 TO 15 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 20 TO 30 MPH BECOMING SOUTHWEST 5 TO  
15 MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. SNOW AND RAIN IN THE MORNING, THEN A  
CHANCE OF RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE.....50-58...EXCEPT 46-51 RIDGES.  
* MIN HUMIDITY........65-79 PERCENT...EXCEPT 77-85 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 12 TO 18 MPH. GUSTS TO 35 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 15 TO 21 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH SHIFTING TO THE SOUTHWEST  
20 TO 30 MPH IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN.  
* MIN TEMPERATURE.....40-48.  
* MAX HUMIDITY........82-96 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...BREEZY. SOUTHWEST WINDS 17 TO 27 MPH WITH  
GUSTS UP TO 40 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 21 TO 31 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN.  
* MAX TEMPERATURE.....54-63...EXCEPT 49-54 RIDGES.  
* MIN HUMIDITY........60-71 PERCENT...EXCEPT 71-77 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 11 TO 17 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 13 TO 19 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 40 TO  
45. HIGHS 53 TO 65. SOUTH WINDS 2 TO 7 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 33 TO 41. HIGHS 59 TO 69. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 35 TO 44. HIGHS 59 TO 69. SOUTH  
WINDS 4 TO 9 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 25 TO 32. HIGHS 51 TO 64. NORTH  
WINDS 3 TO 8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 27 TO 35. HIGHS 51 TO 61. SOUTHWEST  
WINDS UP TO 5 MPH.  
 

 
 
ORZ641-WAZ641-211145-  
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.....38-43.  
* MAX HUMIDITY........80-93 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 9 TO 15 MPH. GUSTS TO 30 MPH  
IN THE EVENING.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 11 TO 17 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 20 TO 30 MPH BECOMING SOUTHWEST 5 TO 15  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. RAIN.  
* MAX TEMPERATURE.....54-59...EXCEPT 49-56 RIDGES.  
* MIN HUMIDITY........59-70 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 8 TO 14 MPH. GUSTS TO 30 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTH WINDS 10 TO 16 MPH.  
* CWR.................90 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 15 TO 25 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN IN THE EVENING, THEN A SLIGHT  
CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE.....49-54.  
* MAX HUMIDITY........82-95 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...BREEZY. SOUTHWEST WINDS 15 TO 25 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 18 TO 28 MPH.  
* CWR.................50 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN.  
* MAX TEMPERATURE.....62-68...EXCEPT 57-63 RIDGES.  
* MIN HUMIDITY........53-62 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 15 TO 21 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 15 TO 24 MPH.  
* CWR.................20 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 61 TO 68. SOUTHWEST  
WINDS 5 TO 11 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 62 TO 67. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS 42 TO  
47. HIGHS 60 TO 66. SOUTHWEST WINDS 6 TO 12 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 54 TO 64. NORTH  
WINDS 2 TO 7 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 54 TO 61. SOUTHWEST  
WINDS 1 TO 6 MPH.  
 

 
 
ORZ642-211145-  
SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MIN TEMPERATURE.....28-33.  
* MAX HUMIDITY........84-97 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 20 TO 30 MPH SHIFTING TO THE SOUTHWEST  
5 TO 15 MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. SNOW IN THE MORNING, THEN RAIN IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....44-52...EXCEPT 39-48 RIDGES.  
* MIN HUMIDITY........76-86 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS 7 TO 13 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. A CHANCE OF RAIN IN THE EVENING, THEN  
A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE.....37-42.  
* MAX HUMIDITY........89-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 12 TO 18 MPH WITH GUSTS UP  
TO 30 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 13 TO 19 MPH.  
* CWR.................30 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN.  
* MAX TEMPERATURE.....50-57...EXCEPT 47-52 RIDGES.  
* MIN HUMIDITY........60-75 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7 TO 13 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH.  
* CWR.................20 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 34 TO  
40. HIGHS 56 TO 62. WEST WINDS 2 TO 7 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 30 TO 37. HIGHS 62 TO 67. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 31 TO 39. HIGHS 57 TO 63. SOUTH  
WINDS 1 TO 6 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 25 TO 32. HIGHS 50 TO 57.  
NORTHWEST WINDS 3 TO 8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 23 TO 30. HIGHS 55 TO 60. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
ORZ643-WAZ643-211145-  
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN ISOLATED SNOW SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....30-37.  
* MAX HUMIDITY........82-97 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7 TO 13 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 25 MPH SHIFTING TO THE SOUTHWEST  
5 TO 15 MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. SNOW AND RAIN.  
* MAX TEMPERATURE.....42-56...EXCEPT 37-46 RIDGES.  
* MIN HUMIDITY........61-74 PERCENT...EXCEPT 73-80 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 7 TO 13 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN...HEAVY AT TIMES.  
* MIN TEMPERATURE.....41-48...EXCEPT 38-43 RIDGES.  
* MAX HUMIDITY........89-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 8 TO 14 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 12 TO 18 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 25 TO 35 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS IN THE MORNING, THEN  
RAIN LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE.....50-62...EXCEPT 44-50 RIDGES.  
* MIN HUMIDITY........65-80 PERCENT...EXCEPT 79-86 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 11 TO 17 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 16 TO 22 MPH.  
* CWR.................80 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 39 TO  
44. HIGHS 48 TO 60. SOUTHWEST WINDS 7 TO 13 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 36 TO 43. HIGHS 51 TO 64. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS 39 TO  
47. HIGHS 51 TO 64. SOUTHWEST WINDS 6 TO 12 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY  
CLEAR. LOWS 28 TO 34. HIGHS 44 TO 59. NORTHWEST WINDS 2 TO 7 MPH.   
FRIDAY
 
MOSTLY CLEAR. LOWS 27 TO 33. HIGHS 44 TO 59. SOUTHWEST  
WINDS 1 TO 5 MPH.  
 

 
 
ORZ644-211145-  
CENTRAL BLUE MOUNTAINS-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS IN THE EVENING.  
* MIN TEMPERATURE.....28-35.  
* MAX HUMIDITY........89-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH SHIFTING TO THE SOUTHWEST  
5 TO 15 MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. RAIN AND SNOW.  
* MAX TEMPERATURE.....46-54...EXCEPT 40-50 RIDGES.  
* MIN HUMIDITY........71-80 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 8 TO 14 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS 8 TO 14 MPH.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN IN THE EVENING, THEN A CHANCE OF  
RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE.....38-45.  
* MAX HUMIDITY........92-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 11 TO 18 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 13 TO 19 MPH.  
* CWR.................60 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN IN THE  
MORNING, THEN RAIN LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE.....52-59...EXCEPT 48-53 RIDGES.  
* MIN HUMIDITY........68-80 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 9 TO 15 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH.  
* CWR.................50 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 37 TO 42.  
HIGHS 54 TO 61. SOUTHWEST WINDS 3 TO 8 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 35 TO 42. HIGHS 62 TO 68. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS 37 TO  
44. HIGHS 55 TO 62. SOUTH WINDS 3 TO 8 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 49 TO 55. NORTH  
WINDS 2 TO 7 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 27 TO 33. HIGHS 54 TO 60. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
ORZ645-WAZ645-211145-  
WALLOWA DISTRICT-ASOTIN COUNTY-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN ISOLATED SNOW SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....28-35.  
* MAX HUMIDITY........85-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST UP TO 20 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. A CHANCE OF SNOW AND RAIN IN THE  
MORNING, THEN RAIN AND SNOW IN THE AFTERNOON.  
* MAX TEMPERATURE.....39-49...EXCEPT 33-48 RIDGES.  
* MIN HUMIDITY........62-75 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS 9 TO 15 MPH.  
* CWR.................90 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN.  
* MIN TEMPERATURE.....34-43.  
* MAX HUMIDITY........89-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 9 TO 15 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS 11 TO 17 MPH.  
* CWR.................90 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY.  
* MAX TEMPERATURE.....47-61.  
* MIN HUMIDITY........64-79 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 9 TO 15 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH.  
* CWR.................70 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 37 TO 42.  
HIGHS 51 TO 60. SOUTHWEST WINDS 4 TO 9 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 35 TO 41. HIGHS 58 TO 63. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
37 TO 44. HIGHS 52 TO 61. SOUTH WINDS 3 TO 8 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 27 TO  
35. HIGHS 45 TO 54. NORTH WINDS 1 TO 6 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 25 TO 32. HIGHS 50 TO 58. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
WAZ675-211145-  
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
* MIN TEMPERATURE.....36-41.  
* MAX HUMIDITY........86-96 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH WITH GUSTS UP TO 30  
MPH SHIFTING TO THE SOUTHWEST 4 TO 9 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. RAIN...HEAVY AT TIMES.  
* MAX TEMPERATURE.....51-56...EXCEPT 46-54 RIDGES.  
* MIN HUMIDITY........70-78 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS 9 TO 15 MPH.  
* CWR.................90 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING,  
THEN A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE.....46-52.  
* MAX HUMIDITY........86-96 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 13 TO 19 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 16 TO 22 MPH.  
* CWR.................60 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF RAIN IN THE MORNING.  
* MAX TEMPERATURE.....60-68...EXCEPT 53-61 RIDGES.  
* MIN HUMIDITY........45-54 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 16 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 14 TO 20 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 59 TO 68. WEST  
WINDS 4 TO 9 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 59 TO 65. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS 39 TO  
44. HIGHS 58 TO 65. SOUTHWEST WINDS 6 TO 12 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 53 TO 65. NORTH  
WINDS 3 TO 8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 53 TO 61. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
WAZ681-211145-  
YAKAMA ALPINE DISTRICT-  
252 PM PDT FRI OCT 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS IN THE  
EVENING. SCATTERED SNOW AND RAIN SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....29-34.  
* MAX HUMIDITY........95-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7 TO 13 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 9 TO 15 MPH.  
* CWR.................20 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........CLOUDY. SNOW IN THE MORNING. RAIN IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....42-50.  
* MIN HUMIDITY........83-93 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 2 TO 7 MPH INCREASING TO 8  
TO 14 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH INCREASING TO  
SOUTHWEST 13 TO 19 MPH IN THE AFTERNOON.  
* CWR.................100 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN...HEAVY AT TIMES.  
* MIN TEMPERATURE.....39-46.  
* MAX HUMIDITY........94-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...BREEZY. SOUTHWEST WINDS 16 TO 26 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 21 TO 31 MPH.  
* CWR.................90 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 25 TO 35 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN IN THE MORNING, THEN A  
CHANCE OF RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE.....47-57...EXCEPT 41-51 RIDGES.  
* MIN HUMIDITY........70-85 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 12 TO 18 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 15 TO 21 MPH.  
* CWR.................90 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....WEST 20 TO 30 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
36 TO 41. HIGHS 44 TO 59. WEST WINDS 5 TO 11 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 49 TO 61. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
37 TO 42. HIGHS 45 TO 60. SOUTHWEST WINDS 6 TO 12 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 43 TO 54.  
NORTHEAST WINDS 2 TO 7 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 43 TO 56. SOUTHWEST  
WINDS 1 TO 6 MPH.  
 

 
 
.8-14 DAY OUTLOOK FOR SATURDAY OCTOBER 28 THROUGH FRIDAY NOVEMBER 3...  
 
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL  
PRECIPITATION AMOUNTS.  
 

 
 
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