012
FNUS56 KPDT 082051
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
151 PM PDT TUE JUL 8 2025
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT WEDNESDAY
FOR WA691 AND OR691 FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...
...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR
OR696, OR700, AND OR705 FOR DRY THUNDERSTORMS WITH ABUNDANT
LIGHTNING...
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT WEDNESDAY
FOR OR698 FOR DRY THUNDERSTORMS WITH ABUNDANT LIGHTNING...
DISCUSSION
A SYSTEM APPROACHING THE REGION TODAY WILL PRODUCE A
SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS
THE MOUNTAINS OF CENTRAL AND EASTERN OR, AND AGAIN WEDNESDAY
ACROSS EASTERN OR MOUNTAINS. A COLD FRONT PASSAGE TOMORROW WILL
ALSO RESULT IN STRONG WINDS DEVELOPING THROUGH THE CASCADE GAPS
INTO THE COLUMBIA BASIN. RHS WILL IMPROVE TOMORROW AFTERNOON INTO
THE 20S AND LOW 30S, WITH FURTHER IMPROVEMENT THURSDAY AS TEMPS
COOL. OVERNIGHT RECOVERY WILL BE MODERATE TO EXCELLENT.
***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.
WAZ695-091130-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....51-58...EXCEPT 48-53 RIDGES.
* MAX HUMIDITY........68-83 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH WITH GUSTS UP TO 25
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR (219-451) DECREASING TO POOR (39-153)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS.
* MAX TEMPERATURE.....65-75...EXCEPT 56-66 RIDGES.
* MIN HUMIDITY........41-56 PERCENT...EXCEPT 53-68 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH INCREASING TO 9 TO 15
MPH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (109-277) INCREASING TO FAIR TO
EXCELLENT (309-705) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....43-51.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH WITH GUSTS UP TO 30
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 20 TO 25 MPH.
* VENTILATION INDEX...FAIR TO GOOD (280-618) DECREASING TO POOR TO
FAIR (64-280) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....68-77...EXCEPT 59-68 RIDGES.
* MIN HUMIDITY........33-48 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (62-214) INCREASING TO FAIR
(256-488) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
WARMER. MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 72 TO 86.
NORTHWEST WINDS 2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 52 TO 59. HIGHS 73 TO 86. WEST
WINDS 3 TO 8 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 53 TO 61. HIGHS 73 TO 86. NORTHWEST
WINDS 5 TO 11 MPH.
MONDAY
MOSTLY CLEAR. LOWS 52 TO 59. HIGHS 71 TO 85. NORTHWEST
WINDS 4 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 52 TO 58. HIGHS 74 TO 87. NORTHEAST
WINDS 3 TO 8 MPH.
WAZ690-091130-
KITTITAS VALLEY-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....58-64.
* MAX HUMIDITY........51-66 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 12 TO 18 MPH WITH GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 12 TO 18 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (420-604) DECREASING TO POOR
(53-151) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....77-88...EXCEPT 68-82 RIDGES.
* MIN HUMIDITY........27-41 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 12 TO 18 MPH WITH GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 12 TO 18 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH INCREASING TO WEST
AROUND 25 MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR TO FAIR (171-349) INCREASING TO
EXCELLENT (855-1050) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........58-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 14 TO 20 MPH. GUSTS TO 35
MPH IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 16 TO 26 MPH DECREASING TO
13 TO 19 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
* VENTILATION INDEX...GOOD TO EXCELLENT (523-789) DECREASING TO
POOR (43-173) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-86...EXCEPT 68-80 RIDGES.
* MIN HUMIDITY........24-31 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH DECREASING TO 3
TO 8 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (91-233) INCREASING TO FAIR TO
GOOD (475-661) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 55 TO 61. HIGHS 85 TO 93. NORTHWEST WINDS
4 TO 9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 89 TO 97.
NORTHWEST WINDS 6 TO 12 MPH.
SUNDAY
CLEAR. LOWS 62 TO 67. HIGHS 88 TO 97. NORTHWEST WINDS
8 TO 14 MPH.
MONDAY
CLEAR. LOWS 60 TO 66. HIGHS 86 TO 95. NORTHWEST WINDS
7 TO 13 MPH.
TUESDAY
CLEAR. LOWS 60 TO 66. HIGHS 87 TO 95. NORTHEAST WINDS
5 TO 11 MPH.
WAZ694-091130-
YAKAMA ALPINE DISTRICT-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....50-58.
* MAX HUMIDITY........58-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 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 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (195-359) DECREASING TO POOR
(25-87) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....73-84...EXCEPT 62-77 RIDGES.
* MIN HUMIDITY........33-48 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH INCREASING TO 9 TO 15
MPH WITH GUSTS UP TO 35 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (83-187) INCREASING TO FAIR TO EXCELLENT
(476-766) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....45-53.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 16 MPH DECREASING TO 4 TO 9
MPH AFTER MIDNIGHT. GUSTS TO 35 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (283-521) DECREASING TO POOR
(25-121) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82...EXCEPT 64-76 RIDGES.
* MIN HUMIDITY........28-43 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.......8500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (49-133) INCREASING TO FAIR (283-475) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
MOSTLY CLEAR. LOWS 50 TO 56. HIGHS 77 TO 90. NORTH
WINDS 2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 80 TO 94. WEST
WINDS 2 TO 7 MPH.
SUNDAY
CLEAR. LOWS 54 TO 61. HIGHS 80 TO 93. WEST WINDS 3 TO
8 MPH.
MONDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 78 TO 91. WEST WINDS
3 TO 8 MPH.
TUESDAY
CLEAR. LOWS 54 TO 60. HIGHS 79 TO 91. NORTHEAST WINDS
2 TO 7 MPH.
ORZ691-WAZ691-091130-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
151 PM PDT TUE JUL 8 2025
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT WEDNESDAY
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....58-66...EXCEPT 56-61 RIDGES.
* MAX HUMIDITY........53-68 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (289-503) DECREASING TO POOR
(36-90) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....82-93...EXCEPT 79-88 RIDGES.
* MIN HUMIDITY........20-27 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 16 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (124-264) INCREASING TO
EXCELLENT (808-1016) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....54-61.
* MAX HUMIDITY........68-83 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 16 TO 22 MPH WITH GUSTS UP TO 35
MPH DECREASING TO 9 TO 15 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 15 TO 24 MPH DECREASING TO 10 TO
16 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (555-801) DECREASING TO
POOR (55-167) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-87.
* MIN HUMIDITY........24-32 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.......9000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (90-248) INCREASING TO FAIR TO
GOOD (422-638) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 55 TO 60. HIGHS 87 TO 94. NORTHWEST WINDS
2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 59 TO 64. HIGHS 91 TO 99. WEST WINDS 3 TO
8 MPH.
SUNDAY
CLEAR. LOWS 60 TO 66. HIGHS 91 TO 99. WEST WINDS 4 TO
9 MPH.
MONDAY
CLEAR. LOWS 61 TO 67. HIGHS 89 TO 97. WEST WINDS 4 TO
9 MPH.
TUESDAY
CLEAR. LOWS 59 TO 65. HIGHS 89 TO 96. NORTH WINDS 3 TO
8 MPH.
ORZ692-WAZ692-091130-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....55-63...EXCEPT 53-58 RIDGES.
* MAX HUMIDITY........50-65 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (96-198) DECREASING TO POOR (34-90)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-87...EXCEPT 70-76 RIDGES.
* MIN HUMIDITY........20-27 PERCENT.
* 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.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (101-209) INCREASING TO GOOD TO
EXCELLENT (596-852) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........80-95 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH WITH GUSTS UP TO 30
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (580-830) DECREASING TO
POOR (68-172) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....72-82...EXCEPT 64-70 RIDGES.
* MIN HUMIDITY........31-42 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.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (161-275) INCREASING TO FAIR TO
GOOD (419-567) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 50 TO 58. HIGHS 76 TO 87. NORTH WINDS 1 TO
6 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 53 TO 61. HIGHS 80 TO 92. WEST
WINDS 2 TO 7 MPH.
SUNDAY
CLEAR. LOWS 55 TO 63. HIGHS 80 TO 91. WEST WINDS 2 TO
7 MPH.
MONDAY
CLEAR. LOWS 56 TO 64. HIGHS 78 TO 89. WEST WINDS 2 TO
7 MPH.
TUESDAY
CLEAR. LOWS 53 TO 60. HIGHS 79 TO 89. NORTHWEST WINDS
2 TO 7 MPH.
ORZ693-WAZ693-091130-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....54-64.
* 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (117-209) DECREASING TO POOR
(28-84) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....81-91...EXCEPT 76-84 RIDGES.
* MIN HUMIDITY........17-22 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 5 MPH SHIFTING TO THE
NORTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 6 MPH SHIFTING TO THE
NORTHWEST 6 TO 12 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (63-135) INCREASING TO GOOD TO EXCELLENT
(569-789) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....49-58.
* MAX HUMIDITY........73-88 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH.
* 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 TO EXCELLENT (493-717) DECREASING TO
POOR (61-163) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82...EXCEPT 68-74 RIDGES.
* MIN HUMIDITY........28-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (106-234) INCREASING TO FAIR TO
GOOD (469-617) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 78 TO 88. NORTH
WINDS 3 TO 8 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 51 TO 60. HIGHS 84 TO 93. WEST
WINDS 1 TO 6 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 54 TO 63. HIGHS 85 TO 94. WEST WINDS
2 TO 7 MPH.
MONDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 83 TO 91. WEST WINDS
2 TO 7 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 53 TO 61. HIGHS 82 TO 91. NORTH
WINDS 3 TO 8 MPH.
ORZ701-091130-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....54-60.
* MAX HUMIDITY........65-77 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...GUSTS TO 30 MPH IN THE EVENING. WEST WINDS 9
TO 15 MPH. IN THE EASTERN COLUMBIA RIVER GORGE, GUSTS TO 30
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR (283-499) DECREASING TO POOR (38-132)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-85...EXCEPT 74-83 RIDGES.
* MIN HUMIDITY........29-44 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH...EXCEPT WEST 11 TO
17 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 9 TO 15 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (114-296) INCREASING TO GOOD TO
EXCELLENT (646-860) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....51-58.
* MAX HUMIDITY........74-85 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 13 TO 19 MPH DECREASING TO 7 TO
13 MPH AFTER MIDNIGHT. GUSTS TO 30 MPH...EXCEPT 35 MPH IN THE
EASTERN COLUMBIA RIVER GORGE. IN THE EASTERN COLUMBIA RIVER
GORGE, WEST WINDS 12 TO 18 MPH. GUSTS TO 30 MPH...EXCEPT 35
MPH IN THE EASTERN COLUMBIA RIVER GORGE.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO EXCELLENT (460-706) DECREASING TO
POOR (55-197) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-82.
* MIN HUMIDITY........30-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH...EXCEPT WEST 5 TO 11
MPH IN THE EASTERN COLUMBIA RIVER GORGE.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (113-277) INCREASING TO FAIR TO
EXCELLENT (498-760) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
WARMER, CLEAR. LOWS 53 TO 58. HIGHS 88 TO 93. NORTHWEST
WINDS 3 TO 8 MPH.
SATURDAY
CLEAR. LOWS 57 TO 62. HIGHS 89 TO 94. WEST WINDS 3 TO
8 MPH.
SUNDAY
CLEAR. LOWS 58 TO 63. HIGHS 88 TO 94. WEST WINDS 4 TO
10 MPH.
MONDAY
CLEAR. LOWS 58 TO 63. HIGHS 87 TO 92. WEST WINDS 5 TO
11 MPH.
TUESDAY
CLEAR. LOWS 57 TO 62. HIGHS 89 TO 94. NORTHEAST WINDS
3 TO 8 MPH.
ORZ702-091130-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....49-57.
* MAX HUMIDITY........65-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 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 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (131-321) DECREASING TO POOR
(25-86) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....75-85...EXCEPT 69-78 RIDGES.
* MIN HUMIDITY........30-45 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.......5000 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR (55-161) INCREASING TO FAIR TO GOOD
(346-634) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....46-54.
* MAX HUMIDITY........76-91 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 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 AROUND 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (239-535) DECREASING TO POOR
(27-195) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....73-82...EXCEPT 66-76 RIDGES.
* MIN HUMIDITY........31-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 5 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (51-181) INCREASING TO FAIR TO GOOD
(264-530) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 48 TO 55. HIGHS 77 TO 89. NORTHWEST WINDS
UP TO 5 MPH.
SATURDAY
CLEAR. LOWS 52 TO 60. HIGHS 78 TO 92. WEST WINDS 1 TO
6 MPH.
SUNDAY
CLEAR. LOWS 53 TO 60. HIGHS 78 TO 92. WEST WINDS 2 TO
7 MPH.
MONDAY
MOSTLY CLEAR. LOWS 52 TO 60. HIGHS 76 TO 90. WEST WINDS
2 TO 7 MPH.
TUESDAY
CLEAR. LOWS 52 TO 60. HIGHS 78 TO 90. NORTHEAST WINDS
2 TO 7 MPH.
ORZ695-091130-
EAGLE CAP WILDERNESS-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....52-60.
* MAX HUMIDITY........46-57 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (102-208) DECREASING TO POOR
(25-80) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....76-89...EXCEPT 67-78 RIDGES.
* MIN HUMIDITY........20-31 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (37-107) INCREASING TO FAIR TO GOOD
(399-561) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....49-56...EXCEPT 43-49 RIDGES.
* MAX HUMIDITY........74-89 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH WITH GUSTS UP TO
25 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...FAIR (256-472) DECREASING TO POOR (29-115)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....69-81...EXCEPT 59-70 RIDGES.
* MIN HUMIDITY........32-47 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (44-154) INCREASING TO FAIR (332-476) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
MOSTLY CLEAR. LOWS 45 TO 53. HIGHS 68 TO 83. NORTH
WINDS 4 TO 9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 73 TO 88.
NORTHWEST WINDS 2 TO 7 MPH.
SUNDAY
CLEAR. LOWS 51 TO 59. HIGHS 75 TO 90. NORTHWEST WINDS
2 TO 7 MPH.
MONDAY
MOSTLY CLEAR. LOWS 51 TO 59. HIGHS 73 TO 88. NORTHWEST
WINDS 3 TO 8 MPH.
TUESDAY
CLEAR. LOWS 49 TO 58. HIGHS 72 TO 87. NORTH WINDS 3 TO
8 MPH.
ORZ694-091130-
GRANDE RONDE VALLEY OF OREGON-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....57-62.
* MAX HUMIDITY........54-65 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (112-208) DECREASING TO POOR
(66-108) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....85-90.
* MIN HUMIDITY........19-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (120-186) INCREASING TO GOOD TO
EXCELLENT (677-789) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........80-89 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 11 TO 18 MPH DECREASING TO 6
TO 12 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...GOOD (523-605) DECREASING TO POOR (88-144)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-83.
* MIN HUMIDITY........30-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (156-218) INCREASING TO FAIR TO
GOOD (495-639) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 51 TO 56. HIGHS 84 TO 89. NORTH WINDS 6 TO
12 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 89 TO 94.
NORTHWEST WINDS 2 TO 7 MPH.
SUNDAY
CLEAR. LOWS 56 TO 61. HIGHS 90 TO 95. NORTHWEST WINDS
3 TO 8 MPH.
MONDAY
CLEAR. LOWS 57 TO 62. HIGHS 87 TO 92. NORTHWEST WINDS
4 TO 10 MPH.
TUESDAY
CLEAR. LOWS 55 TO 60. HIGHS 87 TO 92. NORTHWEST WINDS
4 TO 10 MPH.
ORZ699-091130-
WESTERN FORESTED BLUE MOUNTAINS-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........55-65 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.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (85-233) DECREASING TO POOR
(25-77) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....78-85...EXCEPT 72-79 RIDGES.
* MIN HUMIDITY........20-28 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.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (53-125) INCREASING TO GOOD TO EXCELLENT
(582-732) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........83-96 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (431-615) DECREASING TO POOR
(44-140) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....72-79...EXCEPT 66-74 RIDGES.
* MIN HUMIDITY........31-41 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.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (112-218) INCREASING TO FAIR TO
GOOD (476-618) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 46 TO 52. HIGHS 75 TO 84. NORTH WINDS 1 TO
6 MPH.
SATURDAY
CLEAR. LOWS 50 TO 55. HIGHS 80 TO 89. WEST WINDS 1 TO
5 MPH.
SUNDAY
CLEAR. LOWS 53 TO 58. HIGHS 81 TO 90. WEST WINDS 1 TO
6 MPH.
MONDAY
CLEAR. LOWS 53 TO 58. HIGHS 79 TO 88. WEST WINDS 2 TO
7 MPH.
TUESDAY
CLEAR. LOWS 50 TO 55. HIGHS 77 TO 87. NORTHWEST WINDS
2 TO 7 MPH.
ORZ696-091130-
JOHN DAY VALLEY-
151 PM PDT TUE JUL 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY
THUNDERSTORMS WITH ABUNDANT LIGHTNING...
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....53-59.
* MAX HUMIDITY........56-67 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.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (189-437) DECREASING TO POOR
(32-80) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-88...EXCEPT 75-80 RIDGES.
* MIN HUMIDITY........17-22 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH INCREASING TO WEST
AROUND 15 MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (57-107) INCREASING TO GOOD TO EXCELLENT
(686-874) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH BECOMING WEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (598-808) DECREASING TO
POOR (66-140) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....75-84...EXCEPT 71-76 RIDGES.
* MIN HUMIDITY........26-32 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.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (102-196) INCREASING TO FAIR TO GOOD
(461-607) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 48 TO 54. HIGHS 80 TO 89. NORTH WINDS 2 TO
7 MPH.
SATURDAY
CLEAR. LOWS 52 TO 58. HIGHS 86 TO 94. NORTHWEST WINDS
1 TO 6 MPH.
SUNDAY
CLEAR. LOWS 55 TO 60. HIGHS 86 TO 95. NORTHWEST WINDS
2 TO 7 MPH.
MONDAY
CLEAR. LOWS 55 TO 61. HIGHS 85 TO 93. WEST WINDS 2 TO
7 MPH.
TUESDAY
CLEAR. LOWS 53 TO 58. HIGHS 83 TO 92. NORTH WINDS 2 TO
7 MPH.
ORZ700-091130-
CENTRAL MOUNTAINS OF OREGON-
151 PM PDT TUE JUL 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY
THUNDERSTORMS WITH ABUNDANT LIGHTNING...
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....49-56.
* MAX HUMIDITY........60-73 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH BECOMING WEST 1
TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH DECREASING TO AROUND
5 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (351-629) DECREASING TO POOR
(25-55) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....81-86...EXCEPT 74-80 RIDGES.
* MIN HUMIDITY........17-22 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 5
TO 11 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH INCREASING TO AROUND 15 MPH
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (50-88) INCREASING TO EXCELLENT
(733-905) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....46-53.
* MAX HUMIDITY........80-94 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 15 MPH DECREASING TO 3
TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (533-823) DECREASING TO
POOR (51-117) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-83...EXCEPT 69-77 RIDGES.
* MIN HUMIDITY........26-32 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 7 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (61-129) INCREASING TO FAIR TO GOOD
(385-507) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 45 TO 53. HIGHS 82 TO 88. NORTH WINDS 3 TO
8 MPH.
SATURDAY
CLEAR. LOWS 49 TO 56. HIGHS 87 TO 93. NORTHWEST WINDS
2 TO 7 MPH.
SUNDAY
CLEAR. LOWS 51 TO 58. HIGHS 87 TO 94. NORTHWEST WINDS
2 TO 7 MPH.
MONDAY
CLEAR. LOWS 52 TO 59. HIGHS 86 TO 92. NORTHWEST WINDS
3 TO 8 MPH.
TUESDAY
CLEAR. LOWS 50 TO 57. HIGHS 84 TO 91. NORTH WINDS 3 TO
8 MPH.
ORZ703-091130-
WARM SPRINGS RESERVATION-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....56-61...EXCEPT 51-56 RIDGES.
* MAX HUMIDITY........63-75 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 15 MPH WITH GUSTS UP TO
30 MPH BECOMING WEST 3 TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR (251-395) DECREASING TO POOR (31-77)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-89...EXCEPT 66-76 RIDGES.
* MIN HUMIDITY........20-31 PERCENT...EXCEPT 30-45 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH INCREASING TO 9 TO 15
MPH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH INCREASING TO 9 TO 15
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (73-155) INCREASING TO GOOD TO EXCELLENT
(548-810) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-59...EXCEPT 48-53 RIDGES.
* MAX HUMIDITY........73-84 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH WITH GUSTS UP TO 30
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (419-619) DECREASING TO POOR
(47-197) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....76-85...EXCEPT 64-73 RIDGES.
* MIN HUMIDITY........26-36 PERCENT...EXCEPT 37-52 PERCENT 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.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (79-191) INCREASING TO FAIR TO GOOD
(376-608) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 50 TO 55. HIGHS 81 TO 91. NORTH WINDS 3 TO
8 MPH.
SATURDAY
CLEAR. LOWS 54 TO 59. HIGHS 84 TO 96. WEST WINDS 2 TO
7 MPH.
SUNDAY
CLEAR. LOWS 55 TO 60. HIGHS 83 TO 96. WEST WINDS 3 TO
8 MPH.
MONDAY
CLEAR. LOWS 54 TO 61. HIGHS 82 TO 94. WEST WINDS 3 TO
8 MPH.
TUESDAY
CLEAR. LOWS 54 TO 59. HIGHS 83 TO 93. NORTHEAST WINDS
3 TO 8 MPH.
ORZ704-091130-
NORTHERN DESCHUTES NATIONAL FOREST-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....48-54.
* MAX HUMIDITY........66-81 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH DECREASING TO 2 TO 7
MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (204-372) DECREASING TO POOR (25-79)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-85...EXCEPT 65-76 RIDGES.
* MIN HUMIDITY........22-28 PERCENT...EXCEPT 29-44 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 4 TO
10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH INCREASING TO 7 TO 13
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (60-144) INCREASING TO GOOD TO EXCELLENT
(507-765) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 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 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (340-576) DECREASING TO POOR
(41-139) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....78-84...EXCEPT 65-74 RIDGES.
* MIN HUMIDITY........31-37 PERCENT...EXCEPT 41-56 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (57-137) INCREASING TO FAIR (256-398) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 46 TO 51. HIGHS 75 TO 89. NORTH WINDS 2 TO
7 MPH.
SATURDAY
CLEAR. LOWS 50 TO 55. HIGHS 81 TO 94. NORTHWEST WINDS
2 TO 7 MPH.
SUNDAY
CLEAR. LOWS 51 TO 56. HIGHS 80 TO 94. WEST WINDS 2 TO
7 MPH.
MONDAY
CLEAR. LOWS 52 TO 57. HIGHS 79 TO 91. NORTHWEST WINDS
3 TO 8 MPH.
TUESDAY
CLEAR. LOWS 51 TO 56. HIGHS 77 TO 90. NORTHEAST WINDS
3 TO 8 MPH.
ORZ705-091130-
SOUTHERN DESCHUTES NATIONAL FOREST-
151 PM PDT TUE JUL 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY
THUNDERSTORMS WITH ABUNDANT LIGHTNING...
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........71-86 PERCENT...EXCEPT 60-75 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD.
* 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....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR TO FAIR (194-400) DECREASING TO POOR
(25-39) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....77-82...EXCEPT 67-75 RIDGES.
* MIN HUMIDITY........20-26 PERCENT...EXCEPT 23-37 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH INCREASING TO AROUND 15 MPH
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (60-102) INCREASING TO GOOD TO EXCELLENT
(558-814) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....43-48.
* MAX HUMIDITY........89-100 PERCENT...EXCEPT 78-93 PERCENT RIDGES.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 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 TO GOOD (303-543) DECREASING TO POOR
(39-111) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....76-81...EXCEPT 66-74 RIDGES.
* MIN HUMIDITY........31-39 PERCENT...EXCEPT 37-52 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO
5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (36-78) INCREASING TO FAIR (225-319) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 45 TO 50. HIGHS 77 TO 86. NORTHEAST WINDS
2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 48 TO 53. HIGHS 82 TO 92. NORTHWEST WINDS
1 TO 6 MPH.
SUNDAY
CLEAR. LOWS 49 TO 54. HIGHS 82 TO 91. NORTHWEST WINDS
1 TO 6 MPH.
MONDAY
CLEAR. LOWS 49 TO 54. HIGHS 81 TO 91. NORTHWEST WINDS
2 TO 7 MPH.
TUESDAY
CLEAR. LOWS 48 TO 53. HIGHS 80 TO 90. NORTHEAST WINDS
2 TO 7 MPH.
ORZ697-091130-
CENTRAL BLUE MOUNTAINS-
151 PM PDT TUE JUL 8 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........54-68 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.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (62-280) DECREASING TO POOR
(26-76) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....79-84...EXCEPT 73-80 RIDGES.
* MIN HUMIDITY........19-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 3
TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (49-107) INCREASING TO GOOD TO EXCELLENT
(605-747) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........82-97 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...GOOD TO EXCELLENT (509-711) DECREASING TO
POOR (42-118) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-79...EXCEPT 68-74 RIDGES.
* MIN HUMIDITY........30-36 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.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (81-177) INCREASING TO FAIR TO GOOD
(385-521) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 45 TO 50. HIGHS 76 TO 83. NORTH WINDS 2 TO
7 MPH.
SATURDAY
CLEAR. LOWS 49 TO 54. HIGHS 81 TO 88. NORTHWEST WINDS
1 TO 5 MPH.
SUNDAY
CLEAR. LOWS 51 TO 56. HIGHS 82 TO 89. NORTHWEST WINDS
2 TO 7 MPH.
MONDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 80 TO 88. NORTHWEST
WINDS 2 TO 7 MPH.
TUESDAY
CLEAR. LOWS 50 TO 55. HIGHS 79 TO 86. NORTHWEST WINDS
2 TO 7 MPH.
ORZ698-091130-
SOUTHERN BLUE MOUNTAINS-
151 PM PDT TUE JUL 8 2025
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT WEDNESDAY FOR
DRY THUNDERSTORMS WITH ABUNDANT LIGHTNING...
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........50-64 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (107-425) DECREASING TO POOR
(34-96) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....80-87.
* MIN HUMIDITY........15-20 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (80-140) INCREASING TO EXCELLENT
(701-907) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....46-52.
* MAX HUMIDITY........75-89 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...GOOD TO EXCELLENT (574-780) DECREASING TO
POOR (51-127) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....76-83.
* MIN HUMIDITY........25-31 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 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (92-168) INCREASING TO FAIR TO GOOD
(453-555) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
CLEAR. LOWS 46 TO 51. HIGHS 80 TO 86. NORTH WINDS 2 TO
7 MPH.
SATURDAY
CLEAR. LOWS 50 TO 55. HIGHS 85 TO 92. NORTHWEST WINDS
1 TO 5 MPH.
SUNDAY
CLEAR. LOWS 52 TO 57. HIGHS 87 TO 93. NORTHWEST WINDS
2 TO 7 MPH.
MONDAY
CLEAR. LOWS 52 TO 58. HIGHS 86 TO 92. NORTHWEST WINDS
2 TO 7 MPH.
TUESDAY
CLEAR. LOWS 50 TO 57. HIGHS 84 TO 91. NORTHWEST WINDS
2 TO 7 MPH.
8-14 DAY OUTLOOK FOR WEDNESDAY JULY 16 THROUGH TUESDAY JULY 22
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND NEAR TO BELOW
NORMAL PRECIPITATION.
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