024  
FNUS56 KPDT 190443 AAA  
FWFPDT  
 
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON  
NATIONAL WEATHER SERVICE PENDLETON OR  
942 PM PDT FRI AUG 18 2017  
   
DISCUSSION
 
A WEAK BUT DRY COLD FRONT IS BRINGING GUSTY WINDS TO  
MANY AREAS IN AND AROUND THE COLUMBIA BASIN DOWN TO NORTH CENTRAL  
OREGON THIS EVENING. WINDS WILL DIMINISH OVERNIGHT. HUMIDITY  
RECOVERIES TONIGHT WILL BE BETTER THAN LAST NIGHT BUT THERE WILL BE  
AREAS OF POOR TO MODERATE RECOVERIES. TEMPERATURES WILL BE SLIGHTLY  
COOLER, RHS SLIGHTLY HIGHER, AND WINDS LESS THIS WEEKEND.  
WINDS ON SATURDAY WILL GUST TO AROUND 20-25 IN SOME OF THE LOW  
ELEVATION AREAS. NO MAJOR WEATHER CONCERNS ARE ANTICIPATED ON  
MONDAY THROUGH TUESDAY, BUT THUNDERSTORMS ARE POSSIBLE DURING THE  
MID WEEK.  
 
***THUNDERSTORMS IMPLY STRONG GUSTY WINDS***  
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***  
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***  
 
HIGH ELEVATION HAINES INDEX OBSERVED FRIDAY MORNING AUGUST 18  
SALEM...5 MEDFORD...5 SPOKANE...3 BOISE...4  
 
WAZ639-191145-  
EAST SLOPES OF THE SOUTHERN WASHINGTON CASCADES-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....53-58.  
* MAX HUMIDITY........75-88 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH...EXCEPT WEST 11 TO  
17 MPH WITH GUSTS UP TO 35 MPH IN THE EASTERN COLUMBIA RIVER  
GORGE.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 25 MPH DECREASING TO 5 TO 15 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....77-83...EXCEPT 72-78 RIDGES.  
* MIN HUMIDITY........27-36 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH...EXCEPT WEST 7 TO 13  
MPH WITH GUSTS UP TO 25 MPH IN THE EASTERN COLUMBIA RIVER  
GORGE.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....50-55.  
* MAX HUMIDITY........64-79 PERCENT...EXCEPT 53-68 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH...EXCEPT  
NORTHWEST 8 TO 14 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH SHIFTING TO THE NORTHWEST 5  
TO 10 MPH AFTER MIDNIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....78-84...EXCEPT 72-77 RIDGES.  
* MIN HUMIDITY........25-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH...EXCEPT  
NORTHWEST 5 TO 11 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 6 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....WEST UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 50 TO 57. HIGHS 77 TO 89. NORTH  
WINDS 1 TO 5 MPH.    
TUESDAY
 
CLEAR. LOWS 52 TO 62. HIGHS 83 TO 93. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 52 TO 63. HIGHS 82 TO 93. WEST  
WINDS 2 TO 7 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 51 TO 60. HIGHS 75 TO 90. WEST  
WINDS 7 TO 13 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 45 TO 52. HIGHS 75 TO 83. SOUTH  
WINDS 6 TO 12 MPH.  
 

 
 
ORZ639-191145-  
EAST SLOPES OF THE NORTHERN OREGON CASCADES-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....51-56.  
* MAX HUMIDITY........68-79 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH...EXCEPT WEST 11 TO  
17 MPH IN THE EASTERN COLUMBIA RIVER GORGE. IN THE EASTERN  
COLUMBIA RIVER GORGE, GUSTS TO 35 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 25 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....77-83...EXCEPT 71-77 RIDGES.  
* MIN HUMIDITY........22-31 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH. GUSTS TO  
25 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....50-55...EXCEPT 45-51 RIDGES.  
* MAX HUMIDITY........66-78 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH...EXCEPT  
NORTHWEST 8 TO 14 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
GUSTS TO 25 MPH IN THE EVENING.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....79-84...EXCEPT 73-79 RIDGES.  
* MIN HUMIDITY........21-30 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH...EXCEPT  
NORTHWEST 5 TO 11 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 77 TO 89. WEST WINDS  
1 TO 6 MPH.    
TUESDAY
 
CLEAR. LOWS 57 TO 62. HIGHS 82 TO 93. NORTH WINDS 1 TO  
5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 81 TO 93. WEST  
WINDS 2 TO 6 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 75 TO 90. WEST  
WINDS 5 TO 11 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 74 TO 83. NORTHEAST  
WINDS 5 TO 11 MPH.  
 

 
 
ORZ610-191145-  
EAST SLOPES OF CENTRAL OREGON CASCADES-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....48-53.  
* MAX HUMIDITY........72-81 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* MAX TEMPERATURE.....79-84...EXCEPT 67-77 RIDGES.  
* MIN HUMIDITY........18-25 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........68-78 PERCENT...EXCEPT 57-72 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....79-84...EXCEPT 68-77 RIDGES.  
* MIN HUMIDITY........17-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 3 TO  
7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 3  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST UP TO 10 MPH SHIFTING TO THE NORTH IN  
THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. PATCHY SMOKE. LOWS 46 TO 53. HIGHS 74 TO  
88. NORTHEAST WINDS 1 TO 6 MPH.    
TUESDAY
 
CLEAR. PATCHY SMOKE. LOWS 51 TO 58. HIGHS 80 TO 92.  
NORTH WINDS 1 TO 6 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 52 TO 60. HIGHS 80 TO 92. WEST  
WINDS 2 TO 6 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 50 TO 56. HIGHS 74 TO 89. WEST  
WINDS 4 TO 9 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 43 TO 50. HIGHS 73 TO 82. NORTHEAST  
WINDS 4 TO 10 MPH.  
 

 
 
ORZ611-191145-  
DESCHUTES NATIONAL FOREST - MINUS SISTERS RANGER DISTRICT-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....44-49.  
* MAX HUMIDITY........69-84 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH DECREASING TO UP TO 15  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........SUNNY. AREAS OF SMOKE.  
* MAX TEMPERATURE.....78-83...EXCEPT 72-78 RIDGES.  
* MIN HUMIDITY........16-22 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTH UP TO 10 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....41-46.  
* MAX HUMIDITY........65-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH SHIFTING TO THE  
SOUTHWEST 1 TO 5 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH SHIFTING TO THE  
SOUTHWEST 1 TO 5 MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 20 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....78-83...EXCEPT 73-78 RIDGES.  
* MIN HUMIDITY........16-21 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO  
5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 3  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTH UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. PATCHY SMOKE. LOWS 42 TO 49. HIGHS 76 TO  
89. NORTHEAST WINDS 1 TO 6 MPH.    
TUESDAY
 
MOSTLY CLEAR. PATCHY SMOKE. LOWS 46 TO 54. HIGHS 82 TO  
89. NORTHWEST WINDS 1 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 47 TO 55. HIGHS 79 TO 89. WEST WINDS 2 TO  
7 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 45 TO 51. HIGHS 75 TO 86. WEST WINDS 2 TO 7 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 40 TO 46. HIGHS 75 TO 82. NORTHEAST  
WINDS 3 TO 8 MPH.  
 

 
 
ORZ640-191145-  
CENTRAL MOUNTAINS OF OREGON-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....45-51.  
* MAX HUMIDITY........57-72 PERCENT...EXCEPT 52-60 PERCENT RIDGES.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........DECREASING TO 4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........SUNNY. AREAS OF SMOKE.  
* MAX TEMPERATURE.....79-84...EXCEPT 73-78 RIDGES.  
* MIN HUMIDITY........13-18 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....43-48.  
* MAX HUMIDITY........58-71 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 20 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....79-84...EXCEPT 72-79 RIDGES.  
* MIN HUMIDITY........13-18 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 3  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 3  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTH UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 45 TO 52. HIGHS 78 TO 88. NORTHEAST  
WINDS 1 TO 6 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 83 TO 93. NORTH  
WINDS 1 TO 6 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 52 TO 60. HIGHS 85 TO 93. NORTHWEST WINDS  
1 TO 6 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 50 TO 55. HIGHS 79 TO 90. WEST WINDS 3 TO 8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 40 TO 47. HIGHS 77 TO 84. NORTH  
WINDS 4 TO 10 MPH.  
 

 
 
WAZ641-191145-  
LOWER COLUMBIA BASIN OF WASHINGTON-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....57-62.  
* MAX HUMIDITY........66-81 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 20 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....81-86.  
* MIN HUMIDITY........20-25 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 6 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 20 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR.  
* MIN TEMPERATURE.....54-59.  
* MAX HUMIDITY........64-79 PERCENT...EXCEPT 53-66 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....81-86.  
* MIN HUMIDITY........20-25 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 5 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 81 TO 90. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
CLEAR. LOWS 57 TO 62. HIGHS 86 TO 96. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 91 TO 96.  
SOUTHWEST WINDS 2 TO 7 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 84 TO 94.  
SOUTHWEST WINDS 8 TO 14 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 81 TO 88. SOUTHWEST  
WINDS 6 TO 12 MPH.  
 

 
 
ORZ641-191145-  
LOWER COLUMBIA BASIN OF OREGON-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....52-59.  
* MAX HUMIDITY........59-71 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........DECREASING TO 4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 30 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....79-85.  
* MIN HUMIDITY........19-24 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR.  
* MIN TEMPERATURE.....51-57.  
* MAX HUMIDITY........59-69 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-86.  
* MIN HUMIDITY........18-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS 80 TO 90. WEST WINDS  
2 TO 7 MPH.    
TUESDAY
 
CLEAR. LOWS 57 TO 63. HIGHS 84 TO 95. NORTH WINDS 1 TO  
6 MPH.    
WEDNESDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY  
CLEAR. LOWS 60 TO 65. HIGHS 87 TO 95. WEST WINDS 3 TO 8 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 80 TO 94.  
SOUTHWEST WINDS 7 TO 13 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 78 TO 87. WEST WINDS  
7 TO 13 MPH.  
 

 
 
ORZ642-191145-  
SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....40-50.  
* MAX HUMIDITY........47-61 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....78-83...EXCEPT 73-79 RIDGES.  
* MIN HUMIDITY........13-18 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 3  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......11000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR.  
* MIN TEMPERATURE.....40-48.  
* MAX HUMIDITY........53-66 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....76-82.  
* MIN HUMIDITY........12-17 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 42 TO 51. HIGHS 81 TO 87. NORTH  
WINDS 1 TO 6 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS 87 TO 92. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 50 TO 58. HIGHS 83 TO 90. NORTHWEST  
WINDS 1 TO 5 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY  
CLOUDY. LOWS 48 TO 54. HIGHS 78 TO 84. NORTHWEST WINDS 1 TO  
6 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 41 TO 48. HIGHS 77 TO 82. NORTHWEST WINDS  
3 TO 8 MPH.  
 

 
 
ORZ643-WAZ643-191145-  
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....44-55.  
* MAX HUMIDITY........64-79 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 20 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....73-81...EXCEPT 67-73 RIDGES.  
* MIN HUMIDITY........23-30 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR.  
* MIN TEMPERATURE.....43-54.  
* MAX HUMIDITY........60-75 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST UP TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....73-81...EXCEPT 67-73 RIDGES.  
* MIN HUMIDITY........20-27 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST UP TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 45 TO 56. HIGHS 71 TO 85. NORTH  
WINDS 1 TO 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 47 TO 60. HIGHS 76 TO 91. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 52 TO 63. HIGHS 80 TO 91. SOUTHWEST  
WINDS 1 TO 5 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 51 TO 60. HIGHS 75 TO 90. SOUTHWEST WINDS 3 TO  
8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 42 TO 53. HIGHS 72 TO 84. WEST WINDS  
4 TO 9 MPH.  
 

 
 
ORZ644-191145-  
CENTRAL BLUE MOUNTAINS-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....42-50.  
* MAX HUMIDITY........57-72 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....76-82...EXCEPT 72-77 RIDGES.  
* MIN HUMIDITY........17-22 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR.  
* MIN TEMPERATURE.....42-48.  
* MAX HUMIDITY........59-73 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....76-82...EXCEPT 71-76 RIDGES.  
* MIN HUMIDITY........17-22 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 6 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 79 TO 86. NORTH  
WINDS 1 TO 6 MPH.    
TUESDAY
 
CLEAR. LOWS 48 TO 55. HIGHS 85 TO 92. EAST WINDS 1 TO  
5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 53 TO 60. HIGHS 83 TO 91. NORTHWEST  
WINDS 2 TO 7 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 50 TO 55. HIGHS 77 TO 85. NORTHWEST WINDS 2 TO  
7 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 74 TO 82. NORTHWEST  
WINDS 4 TO 9 MPH.  
 

 
 
ORZ645-WAZ645-191145-  
WALLOWA DISTRICT-ASOTIN COUNTY-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....46-57.  
* MAX HUMIDITY........58-73 PERCENT...EXCEPT 53-60 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....76-85...EXCEPT 71-76 RIDGES.  
* MIN HUMIDITY........20-27 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 6 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 1  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....45-54.  
* MAX HUMIDITY........56-71 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST UP TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....75-84...EXCEPT 69-75 RIDGES.  
* MIN HUMIDITY........19-24 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST UP TO 10 MPH SHIFTING TO THE NORTH  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 46 TO 56. HIGHS 78 TO 88. NORTH  
WINDS 1 TO 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 47 TO 59. HIGHS 85 TO 93. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 52 TO 62. HIGHS 84 TO 93. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY  
CLOUDY. LOWS 51 TO 60. HIGHS 78 TO 87. WEST WINDS 2 TO 7 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 44 TO 55. HIGHS 75 TO 84. NORTHWEST WINDS  
2 TO 7 MPH.  
 

 
 
WAZ675-191145-  
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....55-60.  
* MAX HUMIDITY........69-81 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 11 TO 17 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 30 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....82-87...EXCEPT 77-82 RIDGES.  
* MIN HUMIDITY........22-27 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR.  
* MIN TEMPERATURE.....54-59.  
* MAX HUMIDITY........59-74 PERCENT...EXCEPT 48-62 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 25 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....82-87...EXCEPT 77-82 RIDGES.  
* MIN HUMIDITY........21-26 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 6 MPH IN THE MORNING  
BECOMING UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 54 TO 60. HIGHS 81 TO 90. NORTH  
WINDS 2 TO 6 MPH.    
TUESDAY
 
CLEAR. LOWS 57 TO 64. HIGHS 85 TO 95. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 59 TO 66. HIGHS 89 TO 95.  
SOUTHWEST WINDS 2 TO 7 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 82 TO 94. WEST  
WINDS 6 TO 12 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 50 TO 56. HIGHS 80 TO 89. NORTHWEST  
WINDS 6 TO 12 MPH.  
 

 
 
WAZ681-191145-  
YAKAMA ALPINE DISTRICT-  
942 PM PDT FRI AUG 18 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....48-53.  
* MAX HUMIDITY........72-87 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4 (LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 20 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....74-81...EXCEPT 67-77 RIDGES.  
* MIN HUMIDITY........26-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....47-53.  
* MAX HUMIDITY........56-71 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....74-81...EXCEPT 67-76 RIDGES.  
* MIN HUMIDITY........25-34 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 69 TO 84. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
CLEAR. LOWS 53 TO 59. HIGHS 75 TO 89. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 54 TO 61. HIGHS 76 TO 89. WEST  
WINDS 2 TO 7 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 50 TO 56. HIGHS 70 TO 85. WEST  
WINDS 6 TO 12 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 44 TO 50. HIGHS 68 TO 79. SOUTHEAST  
WINDS 5 TO 11 MPH.  
 

 
 
.8-14 DAY OUTLOOK FOR SATURDAY AUGUST 26 THROUGH FRIDAY SEPTEMBER 1...  
 
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL  
PRECIPITATION AMOUNTS.  
 

 
 
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