543  
FNUS56 KPDT 251535  
FWFPDT  
 
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON  
NATIONAL WEATHER SERVICE PENDLETON OR  
835 AM PDT THU MAY 25 2017  
   
..ISOLATED THUNDERSTORMS MOST AREAS THIS AFTERNOON
 
 
   
..ISOLATED THUNDERSTORMS EASTERN MOUNTAINS FRIDAY AFTERNOON
 
 
...SUNDAY-SATURDAY ROUTINE FIRE WEATHER PLANNING FORECASTS AND  
NFDRS FORECASTS WILL BEGIN SUNDAY MAY 28...  
   
DISCUSSION
 
UPPER LEVEL LOW PRESSURE WILL MOVE SOUTH ACROSS  
THE AREA TODAY, GRADUALLY EXITING THE REGION BY FRIDAY NIGHT.  
ISOLATED THUNDERSTORMS CAN BE EXPECTED FOR MOST AREAS THIS  
AFTERNOON, WITH ANOTHER ROUND OF ISOLATED THUNDERSTORMS FRIDAY  
AFTERNOON ACROSS THE EASTERN MOUNTAINS. HIGH PRESSURE WILL  
BUILD ACROSS THE AREA FOR THE HOLIDAY WEEKEND FOR DRY AND WARMING  
CONDITIONS. THE HIGH PRESSURE RIDGE WILL WEAKEN EARLY NEXT WEEK  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
***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 THURSDAY MORNING MAY 25  
SALEM...3 MEDFORD...5 SPOKANE...2 BOISE...3  
 
ORZ639-WAZ639-252330-  
EAST SLOPES OF THE NORTHERN OREGON CASCADES-  
EAST SLOPES OF THE SOUTHERN WASHINGTON CASCADES-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
* MAX TEMPERATURE.....65-70...EXCEPT 60-65 RIDGES.  
* MIN HUMIDITY........36-44 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH...EXCEPT NORTH 2 TO 7  
MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHEAST 1  
TO 5 MPH IN THE AFTERNOON.  
* CWR.................10 PERCENT.  
* LAL.................2.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.....44-49.  
* MAX HUMIDITY........72-84 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....73-80...EXCEPT 68-73 RIDGES.  
* MIN HUMIDITY........28-35 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........2 (VERY LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 48 TO 54. HIGHS 72 TO 83. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
SUNDAY
 
CLEAR. LOWS 51 TO 56. HIGHS 76 TO 87. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS 81 TO 89. EAST WINDS 2 TO  
6 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 54 TO 60. HIGHS 80 TO 89. NORTHWEST  
WINDS 1 TO 6 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 51 TO 57. HIGHS 78 TO 88. WEST  
WINDS 4 TO 9 MPH.  
 

 
 
ORZ610-252330-  
EAST SLOPES OF CENTRAL OREGON CASCADES-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....64-69...EXCEPT 56-62 RIDGES.  
* MIN HUMIDITY........29-37 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHEAST 2  
TO 7 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.....38-44.  
* MAX HUMIDITY........76-83 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....72-77...EXCEPT 61-70 RIDGES.  
* MIN HUMIDITY........24-31 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....EAST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 43 TO 49. HIGHS 67 TO 80. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
SUNDAY
 
CLEAR. LOWS 45 TO 52. HIGHS 72 TO 85. SOUTHEAST WINDS  
1 TO 6 MPH.    
MEMORIAL DAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 78 TO 86. EAST WINDS 2 TO  
7 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 55. HIGHS 77 TO 86. NORTH WINDS 2 TO  
7 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 54. HIGHS 74 TO 86. NORTHWEST WINDS  
3 TO 8 MPH.  
 

 
 
ORZ611-252330-  
DESCHUTES NATIONAL FOREST - MINUS SISTERS RANGER DISTRICT-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....62-67...EXCEPT 57-62 RIDGES.  
* MIN HUMIDITY........21-32 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 4 TO  
9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 3 TO 8  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....EAST UP TO 10 MPH SHIFTING TO THE NORTH IN  
THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....34-39.  
* MAX HUMIDITY........85-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....69-75...EXCEPT 62-67 RIDGES.  
* MIN HUMIDITY........14-22 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 38 TO 43. HIGHS 67 TO 81. EAST WINDS 2 TO  
6 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 39 TO 45. HIGHS 73 TO 84. EAST WINDS  
1 TO 6 MPH.    
MEMORIAL DAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 42 TO 48. HIGHS 76 TO 84. EAST WINDS 2 TO  
7 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 42 TO 48. HIGHS 77 TO 85. SOUTHEAST WINDS  
1 TO 6 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 43 TO 49. HIGHS 71 TO 85. WEST WINDS 2 TO  
7 MPH.  
 

 
 
ORZ640-252330-  
CENTRAL MOUNTAINS OF OREGON-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....62-68...EXCEPT 55-61 RIDGES.  
* MIN HUMIDITY........26-37 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 4 TO  
9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 4 TO 9  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.....37-44.  
* MAX HUMIDITY........75-88 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....69-76...EXCEPT 63-68 RIDGES.  
* MIN HUMIDITY........20-30 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 41 TO 49. HIGHS 68 TO 82. EAST WINDS 1 TO  
5 MPH.    
SUNDAY
 
CLEAR. LOWS 45 TO 52. HIGHS 75 TO 86. NORTHEAST WINDS  
1 TO 6 MPH.    
MEMORIAL DAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 80 TO 87. NORTHEAST WINDS 2 TO  
7 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 56. HIGHS 82 TO 88. SOUTHEAST WINDS  
2 TO 7 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 78 TO 88. NORTHWEST WINDS  
3 TO 8 MPH.  
 

 
 
ORZ641-WAZ641-252330-  
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....65-72.  
* MIN HUMIDITY........35-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 2 TO 6 MPH SHIFTING TO THE  
NORTH 2 TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH SHIFTING TO THE NORTH  
IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........75-87 PERCENT...EXCEPT 64-79 PERCENT RIDGES.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 2 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS 2 TO 7 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.....EAST 5 TO 15 MPH SHIFTING TO THE SOUTH 5 TO  
10 MPH AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....73-81.  
* MIN HUMIDITY........24-34 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 1 TO 5 MPH SHIFTING TO THE  
NORTH 2 TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE NORTH 5 TO  
15 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 50 TO 55. HIGHS 73 TO 86. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
SUNDAY
 
CLEAR. LOWS 52 TO 57. HIGHS 79 TO 89. EAST WINDS 1 TO  
5 MPH.    
MEMORIAL DAY
 
CLEAR. LOWS 55 TO 60. HIGHS 83 TO 91. EAST WINDS  
1 TO 6 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 85 TO 93. EAST  
WINDS 2 TO 7 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 56 TO 62. HIGHS 83 TO 93.  
SOUTHWEST WINDS 4 TO 9 MPH.  
 

 
 
ORZ642-252330-  
SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
* MAX TEMPERATURE.....57-63...EXCEPT 53-58 RIDGES.  
* MIN HUMIDITY........30-42 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 3  
TO 8 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 4 TO 9  
MPH IN THE AFTERNOON.  
* CWR.................10 PERCENT.  
* LAL.................2.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
EVENING.  
* MIN TEMPERATURE.....35-40.  
* MAX HUMIDITY........79-90 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.  
* CWR.................10 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....64-71...EXCEPT 59-66 RIDGES.  
* MIN HUMIDITY........28-36 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 70 TO 76. NORTH  
WINDS 1 TO 5 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 76 TO 82. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 78 TO 84.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 46 TO 52. HIGHS 78 TO 84.  
SOUTHEAST WINDS 1 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 53. HIGHS 77 TO 83. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.  
 

 
 
ORZ643-WAZ643-252330-  
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....56-64...EXCEPT 51-56 RIDGES.  
* MIN HUMIDITY........45-59 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................10 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A SLIGHT CHANCE OF  
SHOWERS.  
* MIN TEMPERATURE.....38-44.  
* MAX HUMIDITY........81-92 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................10 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....EAST UP TO 10 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....65-72...EXCEPT 58-63 RIDGES.  
* MIN HUMIDITY........35-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTH UP TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS 41 TO 50. HIGHS 63 TO 78. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
SUNDAY
 
CLEAR. LOWS 43 TO 54. HIGHS 68 TO 82. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLEAR. LOWS 46 TO 55. HIGHS 71 TO 84.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 48 TO 56. HIGHS 74 TO 85. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 51 TO 58. HIGHS 74 TO 85. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.  
 

 
 
ORZ644-252330-  
CENTRAL BLUE MOUNTAINS-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
* MAX TEMPERATURE.....56-63...EXCEPT 52-57 RIDGES.  
* MIN HUMIDITY........39-54 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO  
7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................10 PERCENT.  
* LAL.................2.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.....38-43.  
* MAX HUMIDITY........83-95 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....65-72...EXCEPT 61-66 RIDGES.  
* MIN HUMIDITY........32-43 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS 40 TO 46. HIGHS 71 TO 78.  
NORTHEAST WINDS 1 TO 5 MPH.    
SUNDAY
 
CLEAR. LOWS 42 TO 49. HIGHS 75 TO 82. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 77 TO 84.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 78 TO 85. EAST  
WINDS 1 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 76 TO 83. WEST WINDS 1 TO  
5 MPH.  
 

 
 
ORZ645-WAZ645-252330-  
WALLOWA DISTRICT-ASOTIN COUNTY-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
* MAX TEMPERATURE.....55-62...EXCEPT 49-54 RIDGES.  
* MIN HUMIDITY........40-54 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 1 TO  
5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................10 PERCENT.  
* LAL.................2.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT  
CHANCE OF SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....40-45.  
* MAX HUMIDITY........87-95 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................10 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....63-71...EXCEPT 57-62 RIDGES.  
* MIN HUMIDITY........34-44 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTH UP TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY  
CLEAR. LOWS 41 TO 47. HIGHS 69 TO 77. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 43 TO 50. HIGHS 73 TO 82. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLEAR. LOWS 44 TO 51. HIGHS 74 TO 84.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 75 TO 85. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 74 TO 86. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.  
 

 
 
WAZ675-252330-  
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....69-74...EXCEPT 64-69 RIDGES.  
* MIN HUMIDITY........27-34 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH SHIFTING TO THE EAST 1  
TO 6 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH SHIFTING TO THE  
NORTHEAST 1 TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* LAL.................1 INCREASING TO 2 IN THE AFTERNOON.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH SHIFTING TO THE  
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.....47-52.  
* MAX HUMIDITY........68-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS 2 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....EAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....77-83...EXCEPT 71-76 RIDGES.  
* MIN HUMIDITY........20-26 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........2 (VERY LOW).  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 52 TO 57. HIGHS 76 TO 87. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
SUNDAY
 
CLEAR. LOWS 54 TO 59. HIGHS 80 TO 90. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
CLEAR. LOWS 57 TO 62. HIGHS 84 TO 93. NORTHEAST  
WINDS 1 TO 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 86 TO 94. NORTHEAST  
WINDS 1 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS 85 TO 94. WEST  
WINDS 3 TO 8 MPH.  
 

 
 
WAZ681-252330-  
YAKAMA ALPINE DISTRICT-  
835 AM PDT THU MAY 25 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
* MAX TEMPERATURE.....60-68...EXCEPT 54-64 RIDGES.  
* MIN HUMIDITY........34-49 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING EAST 1 TO 5  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHEAST 1  
TO 5 MPH IN THE AFTERNOON.  
* CWR.................30 PERCENT.  
* LAL.................2.  
* HAINES INDEX........3 (VERY LOW).  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.....38-48.  
* MAX HUMIDITY........74-89 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* LAL.................2 DECREASING TO 1 AFTER MIDNIGHT.  
* HAINES INDEX........2 (VERY LOW).  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....68-76...EXCEPT 61-72 RIDGES.  
* MIN HUMIDITY........26-39 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........2 (VERY LOW).  
* MIXING HEIGHT.......8500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
CLEAR. LOWS 42 TO 53. HIGHS 64 TO 78. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
SUNDAY
 
CLEAR. LOWS 46 TO 56. HIGHS 67 TO 82. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
MEMORIAL DAY
 
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 72 TO 84.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 59. HIGHS 72 TO 84. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 57. HIGHS 70 TO 84. WEST WINDS 2 TO  
7 MPH.  
 

 
 
   
8-14 DAY OUTLOOK FOR THURSDAY JUNE 1 THROUGH WEDNESDAY JUNE 7
 
 
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL  
PRECIPITATION AMOUNTS.  
 

 
 
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