391  
FNUS56 KPDT 112212  
FWFPDT  
 
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON  
NATIONAL WEATHER SERVICE PENDLETON OR  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER  
ZONES OR696, OR698, OR700, OR703, OR704, AND OR705...  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE  
WEATHER ZONES OR693, WA690, WA691, WA692, WA693, WA694, AND  
WA695...  
 
   
DISCUSSION
 
HOT AND DRY CONDITIONS WILL PERSIST THROUGH  
WEDNESDAY AS A RESULT OF AN UPPER LEVEL RIDGE OF HIGH PRESSURE.  
A SYSTEM WILL PASS OVER THE AREA ON TUESDAY, FOLLOWED BY A  
STRONGER SYSTEM ON WEDNESDAY WHICH WILL INCREASE WINDS BOTH DAYS.  
PRESSURE GRADIENTS WILL BE MORE EFFECTED ACROSS OREGON ON TUESDAY,  
EXTENDING INTO WASHINGTON ON WEDNESDAY. MINIMAL MOISTURE IS  
ASSOCIATED WITH THESE SYSTEMS, CONTRIBUTING TO A SLOW IMPROVEMENT  
OF HUMIDITY VALUES AS CRITICALLY DRY AND WINDY CONDITIONS EXIST  
BOTH DAYS.  
 
***THUNDERSTORMS IMPLY STRONG GUSTY WINDS***  
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***  
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***  
***VENTILATION INDEX IS DERIVED FROM THE  
TRANSPORT WIND MULTIPLIED BY THE MIXING  
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES  
ARE A GENERALIZED INDICATOR AND USERS ARE  
ENCOURAGE TO DEVELOP CRITERIA THAT ARE  
SUITABLE AND REPRESENTATIVE OF DISPERSION  
CONDITIONS IN THEIR LOCAL AREA OF INTEREST.***  
NOTE: MAX TRANSPORT WINDS MAY NOT OCCUR  
AT THE SAME TIME AS MAX MIXING HEIGHT.  
 
WAZ695-121230-  
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-  
312 PM PDT MON AUG 11 2025  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....60-66.  
* MAX HUMIDITY........47-62 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...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.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (115-235) DECREASING TO POOR  
(25-60) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....86-95...EXCEPT 78-86 RIDGES.  
* MIN HUMIDITY........23-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 7  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (26-56) INCREASING TO FAIR TO GOOD  
(368-546) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....55-63.  
* MAX HUMIDITY........57-72 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...POOR TO FAIR (176-408) DECREASING TO POOR  
(35-115) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....73-82...EXCEPT 64-73 RIDGES.  
* MIN HUMIDITY........31-46 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH INCREASING TO 9 TO 15  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25  
MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (62-184) INCREASING TO GOOD TO EXCELLENT  
(644-974) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 62 TO 77. WEST  
WINDS 6 TO 12 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 47 TO 54.  
HIGHS 55 TO 69. WEST WINDS 3 TO 8 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 50 TO  
56. HIGHS 58 TO 72. WEST WINDS 2 TO 7 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
46 TO 51. HIGHS 61 TO 74. WEST WINDS 2 TO 7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS 64 TO 78. WEST  
WINDS 2 TO 7 MPH.  
 

 
 
WAZ690-121230-  
KITTITAS VALLEY-  
312 PM PDT MON AUG 11 2025  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....66-72.  
* MAX HUMIDITY........37-52 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (180-266) DECREASING TO POOR  
(40-92) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....95-101...EXCEPT 83-96 RIDGES.  
* MIN HUMIDITY........19-25 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 5 MPH SHIFTING TO THE WEST  
4 TO 9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 6 MPH SHIFTING TO THE WEST  
2 TO 7 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
* VENTILATION INDEX...POOR (42-112) INCREASING TO FAIR TO GOOD  
(425-559) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....64-70.  
* MAX HUMIDITY........46-61 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
* VENTILATION INDEX...FAIR TO GOOD (430-598) DECREASING TO POOR  
(53-143) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....84-93...EXCEPT 74-87 RIDGES.  
* MIN HUMIDITY........22-31 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH INCREASING TO WEST  
AROUND 25 MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR TO FAIR (91-217) INCREASING TO EXCELLENT  
(971-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 78 TO 86.  
NORTHWEST WINDS 10 TO 16 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 56 TO 61.  
HIGHS 72 TO 81. WEST WINDS 6 TO 12 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 56 TO  
62. HIGHS 74 TO 82. WEST WINDS 3 TO 8 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS 52 TO  
57. HIGHS 76 TO 83. WEST WINDS 2 TO 7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 51 TO 56. HIGHS 78 TO 86. WEST  
WINDS 2 TO 7 MPH.  
 

 
 
WAZ694-121230-  
YAKAMA ALPINE DISTRICT-  
312 PM PDT MON AUG 11 2025  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....61-68.  
* MAX HUMIDITY........40-55 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (91-153) DECREASING TO POOR (27-63)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....91-98...EXCEPT 81-92 RIDGES.  
* MIN HUMIDITY........19-29 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING SOUTHWEST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (28-58) INCREASING TO FAIR (356-482) IN  
THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....56-64.  
* MAX HUMIDITY........52-67 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...FAIR (233-385) DECREASING TO POOR (27-87)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....79-88...EXCEPT 68-81 RIDGES.  
* MIN HUMIDITY........23-38 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH. GUSTS TO 30 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...POOR (43-145) INCREASING TO GOOD TO EXCELLENT  
(682-938) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS 68 TO 81. WEST  
WINDS 6 TO 12 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 48 TO 56.  
HIGHS 61 TO 74. WEST WINDS 3 TO 8 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 50 TO  
58. HIGHS 62 TO 76. WEST WINDS 3 TO 8 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
46 TO 54. HIGHS 66 TO 79. WEST WINDS 2 TO 7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS 69 TO 82. WEST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ691-121230-  
LOWER COLUMBIA BASIN OF OREGON-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....66-71.  
* MAX HUMIDITY........36-46 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 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....NORTH WINDS 2 TO 6 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
* VENTILATION INDEX...POOR TO FAIR (111-245) DECREASING TO POOR  
(25-38) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....95-101.  
* MIN HUMIDITY........15-20 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (30-56) INCREASING TO FAIR (202-356) IN  
THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....65-73.  
* MAX HUMIDITY........46-57 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 15 MPH.  
* VENTILATION INDEX...FAIR (267-487) DECREASING TO POOR (44-92)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....87-94.  
* MIN HUMIDITY........18-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 11 TO 17 MPH. GUSTS TO 30 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 11 TO 17 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
* VENTILATION INDEX...POOR TO FAIR (113-267) INCREASING TO  
EXCELLENT (944-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 56 TO 63. HIGHS 79 TO 86. WEST  
WINDS 10 TO 16 MPH.    
FRIDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 56 TO  
62. HIGHS 76 TO 84. WEST WINDS 7 TO 13 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
58 TO 63. HIGHS 77 TO 84. WEST WINDS 5 TO 11 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
56 TO 62. HIGHS 77 TO 84. WEST WINDS 3 TO 8 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 54 TO 60. HIGHS 80 TO 87. WEST  
WINDS 2 TO 7 MPH.  
 

 
 
WAZ691-121230-  
LOWER COLUMBIA BASIN OF WASHINGTON-  
312 PM PDT MON AUG 11 2025  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....65-71.  
* MAX HUMIDITY........39-52 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING  
NORTH 2 TO 5 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING NORTH 2  
TO 6 MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (108-202) DECREASING TO POOR  
(26-58) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....98-103...EXCEPT 93-99 RIDGES.  
* MIN HUMIDITY........16-21 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...POOR (43-99) INCREASING TO FAIR (279-469) IN  
THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....65-71.  
* MAX HUMIDITY........49-64 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH.  
* VENTILATION INDEX...FAIR (209-435) DECREASING TO POOR (31-79)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....91-97...EXCEPT 84-92 RIDGES.  
* MIN HUMIDITY........17-24 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...POOR (47-149) INCREASING TO EXCELLENT  
(936-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 55 TO 62. HIGHS 83 TO 88. WEST  
WINDS 9 TO 15 MPH.    
FRIDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 56 TO  
61. HIGHS 78 TO 85. SOUTHWEST WINDS 5 TO 11 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
58 TO 63. HIGHS 79 TO 85. SOUTHWEST WINDS 5 TO 11 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 55 TO 61. HIGHS 80 TO 86. SOUTHWEST  
WINDS 4 TO 9 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 83 TO 88. SOUTHWEST  
WINDS 3 TO 8 MPH.  
 

 
 
ORZ692-121230-  
NORTHERN BLUE MOUNTAINS OF OREGON-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....59-68.  
* MAX HUMIDITY........38-52 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE EAST AFTER  
MIDNIGHT.  
* VENTILATION INDEX...POOR (101-181) DECREASING TO POOR (25-41)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....89-98...EXCEPT 83-88 RIDGES.  
* MIN HUMIDITY........18-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (25-50) INCREASING TO FAIR TO GOOD  
(400-608) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....59-68.  
* MAX HUMIDITY........48-63 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (157-243) DECREASING TO POOR  
(31-71) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....82-92...EXCEPT 76-82 RIDGES.  
* MIN HUMIDITY........18-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 3 TO 8 MPH SHIFTING TO THE  
WEST 8 TO 14 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25  
MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR TO FAIR (112-236) INCREASING TO  
EXCELLENT (1027-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 51 TO 59. HIGHS 72 TO 83. WEST  
WINDS 5 TO 11 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 49 TO 57. HIGHS 70 TO 80. SOUTHWEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 51 TO 58. HIGHS 71 TO 82. SOUTHWEST WINDS 2 TO  
7 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 51 TO 58. HIGHS 71 TO 81. WEST WINDS 1 TO 6 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 50 TO 56. HIGHS 74 TO 85. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
WAZ692-121230-  
BLUE MOUNTAINS OF WASHINGTON-  
312 PM PDT MON AUG 11 2025  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....65-70.  
* MAX HUMIDITY........34-41 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (100-208) DECREASING TO POOR  
(25-45) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....87-96...EXCEPT 80-86 RIDGES.  
* MIN HUMIDITY........20-26 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 7  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 6  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (38-90) INCREASING TO FAIR TO GOOD  
(483-697) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....62-68.  
* MAX HUMIDITY........43-54 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (155-249) DECREASING TO POOR  
(25-72) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....80-89...EXCEPT 73-80 RIDGES.  
* MIN HUMIDITY........18-25 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 8 TO 14 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 8 TO 14 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
* VENTILATION INDEX...POOR TO FAIR (84-230) INCREASING TO EXCELLENT  
(986-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS 69 TO 80.  
SOUTHWEST WINDS 7 TO 13 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 52 TO 58. HIGHS 66 TO 76. SOUTHWEST  
WINDS 4 TO 9 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 54 TO  
60. HIGHS 67 TO 77. SOUTHWEST WINDS 4 TO 9 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY  
CLOUDY. LOWS 54 TO 59. HIGHS 67 TO 77. WEST WINDS 2 TO 7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 70 TO 81. WEST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ693-WAZ693-121230-  
CANYON GRASSLANDS OF WALLOWA COUNTY-  
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-  
312 PM PDT MON AUG 11 2025  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....57-67.  
* MAX HUMIDITY........42-57 PERCENT...EXCEPT 40-46 PERCENT RIDGES.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 5 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
* VENTILATION INDEX...POOR TO FAIR (168-246) DECREASING TO POOR  
(25-44) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....89-98...EXCEPT 83-90 RIDGES.  
* MIN HUMIDITY........16-21 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (29-67) INCREASING TO GOOD TO EXCELLENT  
(613-763) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....57-67.  
* MAX HUMIDITY........46-61 PERCENT...EXCEPT 43-49 PERCENT RIDGES.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (175-257) DECREASING TO POOR  
(25-67) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....84-94...EXCEPT 79-87 RIDGES.  
* MIN HUMIDITY........14-19 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (47-153) INCREASING TO EXCELLENT  
(958-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 49 TO 60. HIGHS 76 TO 86. WEST  
WINDS 4 TO 9 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS 73 TO 83. WEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 59. HIGHS 74 TO 83. WEST WINDS 2 TO  
7 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 51 TO 60. HIGHS 74 TO 84. NORTHWEST WINDS  
1 TO 5 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 51 TO 59. HIGHS 77 TO 87. NORTH WINDS 1 TO 5 MPH.  
 

 
 
ORZ701-121230-  
EASTERN COLUMBIA RIVER GORGE OF OREGON-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....65-70.  
* MAX HUMIDITY........42-57 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH. IN THE EASTERN  
COLUMBIA RIVER GORGE, WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (179-263) DECREASING TO POOR  
(30-64) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....96-101.  
* MIN HUMIDITY........20-29 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 4  
TO 9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (25-52) INCREASING TO POOR TO FAIR  
(163-315) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....61-68.  
* MAX HUMIDITY........54-66 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH...EXCEPT WEST 7 TO 13  
MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...FAIR (312-464) DECREASING TO POOR (51-141)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....84-89...EXCEPT 79-87 RIDGES.  
* MIN HUMIDITY........25-40 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH...EXCEPT WEST 10 TO  
16 MPH IN THE EASTERN COLUMBIA RIVER GORGE. GUSTS TO 30 MPH  
IN THE AFTERNOON. IN THE EASTERN COLUMBIA RIVER GORGE, GUSTS  
TO 35 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25  
MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR TO FAIR (84-232) INCREASING TO EXCELLENT  
(773-1007) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 58. HIGHS 76 TO 82. WEST  
WINDS 7 TO 13 MPH.    
FRIDAY
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 53 TO  
59. HIGHS 71 TO 78. WEST WINDS 6 TO 12 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 56 TO  
62. HIGHS 72 TO 78. WEST WINDS 4 TO 9 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
53 TO 59. HIGHS 75 TO 80. WEST WINDS 3 TO 8 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 50 TO 56. HIGHS 79 TO 84. NORTHWEST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ702-121230-  
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....61-69.  
* MAX HUMIDITY........36-50 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (92-206) DECREASING TO POOR  
(25-43) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....93-99...EXCEPT 85-94 RIDGES.  
* MIN HUMIDITY........21-30 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON.  
* VENTILATION INDEX...POOR (25-51) INCREASING TO POOR TO FAIR  
(165-247) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....56-66.  
* MAX HUMIDITY........52-67 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 15 MPH.  
* VENTILATION INDEX...POOR TO FAIR (154-342) DECREASING TO POOR  
(25-94) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....80-89...EXCEPT 74-82 RIDGES.  
* MIN HUMIDITY........25-40 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...POOR (34-150) INCREASING TO FAIR TO EXCELLENT  
(468-798) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS 67 TO 81. WEST  
WINDS 2 TO 7 MPH.    
FRIDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 48 TO  
56. HIGHS 61 TO 76. WEST WINDS 2 TO 7 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 51 TO  
59. HIGHS 62 TO 77. WEST WINDS UP TO 5 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 48 TO  
56. HIGHS 65 TO 79. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 69 TO 83. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
ORZ695-121230-  
EAGLE CAP WILDERNESS-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....60-65...EXCEPT 54-61 RIDGES.  
* MAX HUMIDITY........39-48 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (139-219) DECREASING TO POOR  
(25-54) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....85-96...EXCEPT 74-85 RIDGES.  
* MIN HUMIDITY........18-27 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 5  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (27-55) INCREASING TO GOOD TO EXCELLENT  
(637-833) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....58-65...EXCEPT 53-60 RIDGES.  
* MAX HUMIDITY........44-54 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (146-234) DECREASING TO POOR  
(25-64) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....80-92...EXCEPT 69-82 RIDGES.  
* MIN HUMIDITY........16-24 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...POOR (25-91) INCREASING TO EXCELLENT  
(791-1001) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 46 TO 56. HIGHS 67 TO 82. WEST  
WINDS 4 TO 9 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 45 TO 54. HIGHS 64 TO 79. NORTHWEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 46 TO 55. HIGHS 65 TO 80. WEST WINDS 1 TO  
6 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 57. HIGHS 66 TO 81. NORTHWEST WINDS  
1 TO 5 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 47 TO 56. HIGHS 69 TO 84. WEST WINDS 1 TO 6 MPH.  
 

 
 
ORZ694-121230-  
GRANDE RONDE VALLEY OF OREGON-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....58-63.  
* MAX HUMIDITY........47-58 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 6 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...FAIR (217-267) DECREASING TO POOR (34-54)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....95-100.  
* MIN HUMIDITY........15-20 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 3 TO 6  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (31-57) INCREASING TO GOOD (596-682) IN  
THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....58-63.  
* MAX HUMIDITY........55-66 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 6 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...FAIR (280-324) DECREASING TO POOR (42-74)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....90-95.  
* MIN HUMIDITY........14-19 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (67-119) INCREASING TO EXCELLENT  
(1033-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 83 TO 88.  
NORTHWEST WINDS 5 TO 11 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 79 TO 84. NORTHWEST  
WINDS 3 TO 8 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 80 TO 85. NORTHWEST WINDS  
2 TO 7 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 80 TO 85. NORTHWEST WINDS  
1 TO 6 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 51 TO 56. HIGHS 84 TO 89. NORTHWEST WINDS 2 TO  
7 MPH.  
 

 
 
ORZ699-121230-  
WESTERN FORESTED BLUE MOUNTAINS-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....58-65.  
* MAX HUMIDITY........37-48 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (143-237) DECREASING TO POOR  
(25-48) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....89-95...EXCEPT 83-90 RIDGES.  
* MIN HUMIDITY........17-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 1  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
* VENTILATION INDEX...POOR (25-49) INCREASING TO GOOD TO EXCELLENT  
(557-899) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....56-63.  
* MAX HUMIDITY........51-61 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....NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...FAIR (202-340) DECREASING TO POOR (25-59)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....83-89...EXCEPT 76-83 RIDGES.  
* MIN HUMIDITY........17-22 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (45-129) INCREASING TO EXCELLENT  
(832-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 72 TO 81. WEST  
WINDS 2 TO 7 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 47 TO 53. HIGHS 69 TO 78. WEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 55. HIGHS 70 TO 79. WEST WINDS 1 TO  
5 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 49 TO 55. HIGHS 69 TO 79. TERRAIN DRIVEN  
WINDS LESS THAN 5 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 48 TO 53. HIGHS 73 TO 82. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 

 
 
ORZ696-121230-  
JOHN DAY VALLEY-  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....61-67.  
* MAX HUMIDITY........37-46 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* VENTILATION INDEX...FAIR (201-319) DECREASING TO POOR (28-54)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....92-100...EXCEPT 87-92 RIDGES.  
* MIN HUMIDITY........13-18 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 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (28-50) INCREASING TO GOOD TO EXCELLENT  
(572-890) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....59-64.  
* MAX HUMIDITY........50-59 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 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.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...FAIR (349-473) DECREASING TO POOR (27-73)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....85-93...EXCEPT 80-85 RIDGES.  
* MIN HUMIDITY........14-19 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...POOR (48-104) INCREASING TO EXCELLENT  
(845-1019) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 78 TO 86. WEST  
WINDS 4 TO 9 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 50 TO 56. HIGHS 75 TO 83. WEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 52 TO 58. HIGHS 76 TO 84. WEST WINDS 2 TO  
7 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 76 TO 84. WEST WINDS 1 TO  
6 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 51 TO 56. HIGHS 79 TO 88. NORTHWEST WINDS 1 TO  
5 MPH.  
 

 
 
ORZ700-121230-  
CENTRAL MOUNTAINS OF OREGON-  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....56-65.  
* MAX HUMIDITY........38-50 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...FAIR (267-431) DECREASING TO POOR (25-45)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....93-98...EXCEPT 86-91 RIDGES.  
* MIN HUMIDITY........12-17 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (25-39) INCREASING TO GOOD TO EXCELLENT  
(572-908) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....53-62.  
* MAX HUMIDITY........56-69 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...FAIR TO GOOD (447-675) DECREASING TO POOR  
(26-58) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....87-92...EXCEPT 79-85 RIDGES.  
* MIN HUMIDITY........14-20 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 1 TO 5 MPH SHIFTING TO THE  
NORTHWEST 5 TO 11 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...POOR (38-92) INCREASING TO EXCELLENT  
(747-951) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS 79 TO 85. WEST  
WINDS 5 TO 11 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 45 TO 53. HIGHS 75 TO 81. WEST  
WINDS 3 TO 8 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 47 TO 56. HIGHS 76 TO 82. WEST WINDS 3 TO  
8 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 55. HIGHS 77 TO 82. WEST WINDS 2 TO  
7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 80 TO 85. SOUTHWEST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ703-121230-  
WARM SPRINGS RESERVATION-  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....64-69.  
* MAX HUMIDITY........38-47 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...FAIR (211-385) DECREASING TO POOR (27-45)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....95-102...EXCEPT 83-92 RIDGES.  
* MIN HUMIDITY........16-24 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 NORTHWEST 3  
TO 8 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
* VENTILATION INDEX...POOR (34-58) INCREASING TO FAIR (335-475) IN  
THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....63-68...EXCEPT 58-63 RIDGES.  
* MAX HUMIDITY........56-64 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST AROUND 15 MPH.  
* VENTILATION INDEX...FAIR (306-480) DECREASING TO POOR (35-85)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....84-94...EXCEPT 72-81 RIDGES.  
* MIN HUMIDITY........19-27 PERCENT...EXCEPT 25-40 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH. GUSTS TO 25 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...POOR (58-146) INCREASING TO GOOD TO EXCELLENT  
(693-965) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 73 TO 86. WEST  
WINDS 7 TO 13 MPH.    
FRIDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 52 TO  
57. HIGHS 68 TO 82. WEST WINDS 4 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 55 TO  
61. HIGHS 68 TO 82. WEST WINDS 4 TO 9 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
53 TO 58. HIGHS 72 TO 84. WEST WINDS 2 TO 7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 76 TO 87. NORTHWEST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ704-121230-  
NORTHERN DESCHUTES NATIONAL FOREST-  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....58-63.  
* MAX HUMIDITY........38-48 PERCENT.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (191-365) DECREASING TO POOR  
(25-49) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....94-100...EXCEPT 80-91 RIDGES.  
* MIN HUMIDITY........17-26 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 4  
TO 9 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......11000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (33-63) INCREASING TO FAIR TO GOOD  
(464-652) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....54-61.  
* MAX HUMIDITY........59-73 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...FAIR (263-455) DECREASING TO POOR (27-85)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....85-90...EXCEPT 72-82 RIDGES.  
* MIN HUMIDITY........20-25 PERCENT...EXCEPT 25-37 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...POOR (46-138) INCREASING TO GOOD TO EXCELLENT  
(602-870) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 70 TO 83. WEST  
WINDS 5 TO 11 MPH.    
FRIDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 46 TO  
52. HIGHS 64 TO 77. WEST WINDS 4 TO 9 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 50 TO 56. HIGHS 64 TO 78. WEST  
WINDS 4 TO 9 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 48 TO 54. HIGHS 68 TO 81. WEST WINDS 2 TO 7 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 71 TO 85. WEST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ705-121230-  
SOUTHERN DESCHUTES NATIONAL FOREST-  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....52-60.  
* MAX HUMIDITY........46-61 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...FAIR (229-433) DECREASING TO POOR (25-41)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....89-94...EXCEPT 80-88 RIDGES.  
* MIN HUMIDITY........15-23 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......12000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...POOR (25-46) INCREASING TO GOOD TO EXCELLENT  
(679-943) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....49-55.  
* MAX HUMIDITY........67-82 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...FAIR TO GOOD (271-525) DECREASING TO POOR  
(25-45) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....83-88...EXCEPT 73-82 RIDGES.  
* MIN HUMIDITY........16-27 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 7  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...POOR (30-64) INCREASING TO GOOD TO EXCELLENT  
(580-814) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 72 TO 82. WEST  
WINDS 2 TO 7 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 42 TO 48. HIGHS 66 TO 77. WEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 45 TO 51. HIGHS 67 TO 78. WEST WINDS 2 TO 7 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 45 TO 51. HIGHS 69 TO 79. SOUTHWEST WINDS 1 TO  
6 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 72 TO 82. SOUTHWEST  
WINDS UP TO 5 MPH.  
 

 
 
ORZ697-121230-  
CENTRAL BLUE MOUNTAINS-  
312 PM PDT MON AUG 11 2025  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....55-62.  
* MAX HUMIDITY........38-49 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
* VENTILATION INDEX...POOR TO FAIR (148-234) DECREASING TO POOR  
(25-48) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....89-94...EXCEPT 83-90 RIDGES.  
* MIN HUMIDITY........15-20 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 5  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 5  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......13000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (25-40) INCREASING TO EXCELLENT  
(923-1050) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....53-59.  
* MAX HUMIDITY........51-64 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...FAIR (270-408) DECREASING TO POOR (25-57)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....83-88...EXCEPT 77-84 RIDGES.  
* MIN HUMIDITY........14-19 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 3 TO 8  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...POOR (36-92) INCREASING TO EXCELLENT  
(783-983) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 74 TO 81.  
NORTHWEST WINDS 2 TO 7 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 44 TO 50. HIGHS 71 TO 77. WEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 46 TO 52. HIGHS 72 TO 79. WEST  
WINDS 2 TO 7 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 48 TO 54. HIGHS 72 TO 79. WEST WINDS 1 TO  
5 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 46 TO 52. HIGHS 75 TO 82. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 

 
 
ORZ698-121230-  
SOUTHERN BLUE MOUNTAINS-  
312 PM PDT MON AUG 11 2025  
 
...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 11 PM PDT  
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....56-62.  
* MAX HUMIDITY........37-46 PERCENT.  
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...POOR TO FAIR (117-261) DECREASING TO POOR  
(25-57) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....91-97.  
* MIN HUMIDITY........11-16 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 6  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 5  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......14000 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 5 MPH INCREASING TO SOUTHWEST  
AROUND 15 MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (26-50) INCREASING TO EXCELLENT  
(882-1050) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....53-60.  
* MAX HUMIDITY........47-62 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 6 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...FAIR TO GOOD (386-568) DECREASING TO POOR  
(27-73) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....84-89...EXCEPT 79-84 RIDGES.  
* MIN HUMIDITY........10-15 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON.  
* VENTILATION INDEX...POOR (41-101) INCREASING TO EXCELLENT  
(883-1050) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 79 TO 86.  
NORTHWEST WINDS 3 TO 8 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS 76 TO 83. NORTHWEST  
WINDS 2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 48 TO 53. HIGHS 77 TO 83. WEST  
WINDS 2 TO 7 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 49 TO 55. HIGHS 77 TO 84. WEST  
WINDS 2 TO 7 MPH.    
MONDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 48 TO 53. HIGHS 79 TO 86. WEST WINDS 1 TO 6 MPH.  
 

 
 
   
8-14 DAY OUTLOOK FOR TUESDAY AUGUST 19 THROUGH MONDAY AUGUST 25
 
 
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL  
PRECIPITATION.  
 

 
 
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