019
FNUS56 KPDT 172002
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM PDT FRIDAY FOR
WA690 FOR WIND AND LOW RELATIVE HUMIDITY...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT FRIDAY FOR WA691,
OR691, OR696, OR700, OR701, OR703 FOR WIND AND LOW RELATIVE
HUMIDITY...
DISCUSSION
WARM, DRY, AND BREEZY TO WINDY CONDITIONS ARE
EXPECTED THIS AFTERNOON THROUGH FRIDAY ACROSS PORTIONS OF CENTRAL
AND EASTERN OREGON AND CENTRAL WASHINGTON. STRONGEST WINDS ARE
EXPECTED FRIDAY, ESPECIALLY THROUGH THE CASCADE GAPS. LOW TO VERY
LOW AFTERNOON RHS AND POOR TO MODERATE OVERNIGHT RECOVERIES ARE
FORECAST ACROSS THE AFOREMENTIONED AREAS. BREEZY TO WINDY
CONDITIONS WILL CONTINUE THROUGH THE WEEKEND, ALBEIT WITH COOLER
TEMPERATURES.
***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.
WAZ695-181430-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....55-62...EXCEPT 52-57 RIDGES.
* MAX HUMIDITY........50-65 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (179-393) DECREASING TO POOR
(30-98) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....76-85...EXCEPT 67-75 RIDGES.
* MIN HUMIDITY........27-42 PERCENT.
* 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.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (67-169) INCREASING TO FAIR TO EXCELLENT
(484-758) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....47-53...EXCEPT 43-48 RIDGES.
* MAX HUMIDITY........61-76 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 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 GOOD (274-540) DECREASING TO POOR
(44-188) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....68-77...EXCEPT 59-68 RIDGES.
* MIN HUMIDITY........32-47 PERCENT.
* 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.......8500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (52-168) INCREASING TO FAIR TO GOOD
(315-559) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS 63 TO 77. WEST
WINDS 5 TO 11 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
46 TO 53. HIGHS 63 TO 77. NORTHWEST WINDS 3 TO 8 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
48 TO 54. HIGHS 67 TO 80. NORTHWEST WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 57. HIGHS 70 TO 85. WEST
WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 58. HIGHS 70 TO 84. WEST
WINDS 2 TO 7 MPH.
WAZ690-181430-
KITTITAS VALLEY-
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM PDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....61-66.
* MAX HUMIDITY........41-56 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 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (428-568) DECREASING TO POOR
(46-122) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....87-95...EXCEPT 76-90 RIDGES.
* MIN HUMIDITY........19-27 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH. GUSTS 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.......10500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (104-204) INCREASING TO
EXCELLENT (793-981) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....54-60.
* MAX HUMIDITY........51-66 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 11 TO 17 MPH WITH GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 11 TO 17 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
* VENTILATION INDEX...FAIR TO GOOD (422-664) DECREASING TO POOR
(52-158) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-87...EXCEPT 69-81 RIDGES.
* MIN HUMIDITY........22-31 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (78-200) INCREASING TO GOOD TO
EXCELLENT (595-867) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 78 TO 87. NORTHWEST
WINDS 9 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
56 TO 61. HIGHS 78 TO 86. NORTHWEST WINDS 5 TO 11 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 80 TO 89.
NORTHWEST WINDS 3 TO 8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 58 TO 64. HIGHS 85 TO 93. WEST
WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 86 TO 95. WEST
WINDS 4 TO 9 MPH.
WAZ694-181430-
YAKAMA ALPINE DISTRICT-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....53-60.
* MAX HUMIDITY........54-69 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (160-328) DECREASING TO POOR
(25-60) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-90...EXCEPT 70-82 RIDGES.
* MIN HUMIDITY........21-33 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 5 MPH INCREASING TO 5 TO 11
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 6 MPH INCREASING TO 6 TO 12
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (50-110) INCREASING TO GOOD TO EXCELLENT
(536-798) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....46-54.
* MAX HUMIDITY........55-70 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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 (284-482) DECREASING TO POOR (34-106)
AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....73-83...EXCEPT 63-75 RIDGES.
* MIN HUMIDITY........24-39 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.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (48-126) INCREASING TO FAIR TO GOOD
(390-604) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS 68 TO 81. WEST
WINDS 4 TO 9 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 47 TO 55. HIGHS 67 TO 80. WEST
WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 48 TO 55. HIGHS 71 TO 85. WEST
WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 51 TO 58. HIGHS 76 TO 89.
SOUTHWEST WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 58. HIGHS 76 TO 90. WEST
WINDS 2 TO 7 MPH.
ORZ691-WAZ691-181430-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT FRIDAY FOR WIND AND
LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....58-65.
* MAX HUMIDITY........43-58 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 AROUND 10 MPH.
* VENTILATION INDEX...FAIR (228-404) DECREASING TO POOR (30-66)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....88-97.
* MIN HUMIDITY........15-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 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.......11000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (82-194) INCREASING TO EXCELLENT
(814-1032) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....57-64.
* MAX HUMIDITY........48-61 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 11 TO 17 MPH. GUSTS TO 30 MPH IN
THE EVENING.
* RIDGES/UPR SLOPES....WEST WINDS 11 TO 17 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 (512-730) DECREASING TO
POOR (45-123) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-89.
* MIN HUMIDITY........19-26 PERCENT.
* 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.......9500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (88-238) INCREASING TO GOOD TO
EXCELLENT (593-933) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 54 TO 60. HIGHS 80 TO 87. WEST
WINDS 7 TO 13 MPH.
MONDAY
PARTLY CLOUDY. LOWS 55 TO 62. HIGHS 79 TO 86. WEST
WINDS 5 TO 11 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 55 TO 61. HIGHS 84 TO 90. WEST
WINDS 4 TO 9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 88 TO 95. WEST
WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 88 TO 96.
SOUTHWEST WINDS 4 TO 9 MPH.
ORZ692-WAZ692-181430-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....53-63.
* MAX HUMIDITY........36-50 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 2 TO 7 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.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (187-289) DECREASING TO POOR
(25-56) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....83-93...EXCEPT 75-82 RIDGES.
* MIN HUMIDITY........13-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 3 TO 8
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (63-137) INCREASING TO EXCELLENT
(728-946) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-61...EXCEPT 51-56 RIDGES.
* MAX HUMIDITY........51-66 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 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 20 TO 25 MPH.
* VENTILATION INDEX...GOOD (506-692) DECREASING TO POOR (50-136)
AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....74-84...EXCEPT 67-74 RIDGES.
* MIN HUMIDITY........23-31 PERCENT.
* 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.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 20 MPH.
* VENTILATION INDEX...FAIR (202-334) INCREASING TO EXCELLENT
(781-983) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 49 TO 56. HIGHS 70 TO 81. WEST
WINDS 4 TO 9 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
51 TO 58. HIGHS 70 TO 81. WEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 50 TO 58. HIGHS 73 TO 84. WEST
WINDS 1 TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 77 TO 89. WEST
WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 54 TO 62. HIGHS 79 TO 90. WEST
WINDS 2 TO 7 MPH.
ORZ693-WAZ693-181430-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....51-62.
* MAX HUMIDITY........35-48 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 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 3 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.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...FAIR (231-337) DECREASING TO POOR (25-45)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....85-95...EXCEPT 80-87 RIDGES.
* MIN HUMIDITY........11-16 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.......13500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH INCREASING TO WEST
AROUND 15 MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (43-97) INCREASING TO EXCELLENT
(871-1017) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....52-63.
* MAX HUMIDITY........44-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (466-638) DECREASING TO POOR
(39-133) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....77-87...EXCEPT 74-80 RIDGES.
* MIN HUMIDITY........20-27 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.......11000 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (98-310) INCREASING TO EXCELLENT
(782-1050) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 47 TO 58. HIGHS 75 TO 85. WEST
WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
50 TO 60. HIGHS 73 TO 83. WEST WINDS 1 TO 6 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS 49 TO 59. HIGHS 77 TO 85. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 51 TO 60. HIGHS 81 TO 90. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 53 TO 62. HIGHS 84 TO 93. WEST
WINDS 1 TO 5 MPH.
ORZ701-181430-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT FRIDAY FOR WIND AND
LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....56-62.
* MAX HUMIDITY........53-68 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH. IN THE EASTERN
COLUMBIA RIVER GORGE, GUSTS TO 25 MPH IN THE EVENING.
* 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...FAIR (246-382) DECREASING TO POOR (41-113)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....86-91...EXCEPT 80-88 RIDGES.
* MIN HUMIDITY........21-34 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH, GUSTS TO 25 MPH IN
THE AFTERNOON. IN THE EASTERN COLUMBIA RIVER GORGE, WEST
WINDS 5 TO 11 MPH INCREASING TO 12 TO 18 MPH IN THE
AFTERNOON, 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.......7000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR TO FAIR (88-214) INCREASING TO GOOD TO
EXCELLENT (682-886) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....52-59.
* MAX HUMIDITY........53-67 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...GUSTS TO 30 MPH IN THE EVENING. WEST WINDS 8
TO 14 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 AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (401-665) DECREASING TO POOR
(55-167) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-84...EXCEPT 73-81 RIDGES.
* MIN HUMIDITY........26-36 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH...EXCEPT WEST 8 TO 14
MPH IN THE EASTERN COLUMBIA RIVER GORGE. GUSTS TO 25 MPH IN
THE AFTERNOON. IN THE EASTERN COLUMBIA RIVER GORGE, GUSTS TO
30 MPH.
* 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 TO FAIR (85-237) INCREASING TO GOOD TO
EXCELLENT (597-835) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 50 TO 56. HIGHS 77 TO 83. WEST
WINDS 7 TO 13 MPH.
MONDAY
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS 76 TO 81. WEST
WINDS 4 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 51 TO 57. HIGHS 83 TO 88. WEST
WINDS 3 TO 8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 87 TO 92.
NORTHWEST WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 85 TO 91. WEST
WINDS 4 TO 9 MPH.
ORZ702-181430-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....50-61.
* MAX HUMIDITY........53-68 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 (104-262) DECREASING TO POOR
(25-74) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....81-90...EXCEPT 75-84 RIDGES.
* MIN HUMIDITY........22-37 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.......6000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (49-137) INCREASING TO FAIR TO GOOD
(367-653) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-56.
* 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 9 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 GOOD (207-505) DECREASING TO POOR
(25-131) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-83...EXCEPT 67-77 RIDGES.
* MIN HUMIDITY........27-42 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.......7000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (44-156) INCREASING TO FAIR TO GOOD
(353-629) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 45 TO 54. HIGHS 66 TO 81. WEST
WINDS 2 TO 7 MPH.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
46 TO 55. HIGHS 65 TO 80. WEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 46 TO 54. HIGHS 72 TO 85. WEST
WINDS 1 TO 6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 58. HIGHS 76 TO 90. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 59. HIGHS 74 TO 89. WEST
WINDS 1 TO 6 MPH.
ORZ695-181430-
EAGLE CAP WILDERNESS-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....54-60...EXCEPT 48-56 RIDGES.
* MAX HUMIDITY........32-41 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (189-333) DECREASING TO POOR
(25-68) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....81-92...EXCEPT 70-82 RIDGES.
* MIN HUMIDITY........12-20 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......12500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH INCREASING TO AROUND 15 MPH
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (36-72) INCREASING TO EXCELLENT
(815-1025) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-59...EXCEPT 46-53 RIDGES.
* MAX HUMIDITY........47-58 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....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (285-487) DECREASING TO POOR (25-89)
AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....74-86...EXCEPT 64-76 RIDGES.
* MIN HUMIDITY........24-36 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.......10000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (38-174) INCREASING TO GOOD TO EXCELLENT
(621-905) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 45 TO 54. HIGHS 65 TO 80. WEST
WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 46 TO 56. HIGHS 63 TO 78. NORTHWEST WINDS
2 TO 7 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY
CLOUDY. LOWS 46 TO 55. HIGHS 67 TO 82. NORTHWEST WINDS 1 TO
6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 56. HIGHS 71 TO 86. WEST
WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 50 TO 58. HIGHS 73 TO 88. WEST
WINDS 2 TO 7 MPH.
ORZ694-181430-
GRANDE RONDE VALLEY OF OREGON-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........41-54 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...FAIR (285-373) DECREASING TO POOR (39-67)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....90-95.
* MIN HUMIDITY........9-14 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.....WEST AROUND 5 MPH INCREASING TO AROUND 15 MPH
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (58-90) INCREASING TO EXCELLENT
(860-1026) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* MAX HUMIDITY........56-64 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (469-583) DECREASING TO POOR
(57-97) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....84-89.
* MIN HUMIDITY........21-26 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.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (110-198) INCREASING TO EXCELLENT
(794-1050) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 81 TO 86. NORTHWEST
WINDS 4 TO 9 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 52 TO 57. HIGHS 79 TO 84. NORTHWEST WINDS
2 TO 7 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS 51 TO 56. HIGHS 82 TO 87. NORTHWEST WINDS 1 TO
6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 87 TO 92.
NORTHWEST WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 89 TO 94.
NORTHWEST WINDS 2 TO 7 MPH.
ORZ699-181430-
WESTERN FORESTED BLUE MOUNTAINS-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....51-57.
* MAX HUMIDITY........36-45 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 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 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...FAIR (233-337) DECREASING TO POOR (25-55)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....83-89...EXCEPT 77-84 RIDGES.
* MIN HUMIDITY........10-16 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (54-108) INCREASING TO EXCELLENT
(849-1025) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....49-56.
* MAX HUMIDITY........59-69 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 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (386-560) DECREASING TO POOR
(28-80) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....77-83...EXCEPT 70-78 RIDGES.
* MIN HUMIDITY........23-31 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.......9500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (98-208) INCREASING TO EXCELLENT
(748-936) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 70 TO 80. WEST
WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
48 TO 53. HIGHS 68 TO 78. WEST WINDS 1 TO 5 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY
CLOUDY. LOWS 47 TO 53. HIGHS 72 TO 81. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 49 TO 55. HIGHS 77 TO 86. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 57. HIGHS 79 TO 87. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ696-181430-
JOHN DAY VALLEY-
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT FRIDAY FOR WIND AND
LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........CLEAR. HAZY IN THE EVENING.
* MIN TEMPERATURE.....53-59.
* MAX HUMIDITY........38-45 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 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 5 TO 10 MPH.
* VENTILATION INDEX...FAIR (297-439) DECREASING TO POOR (26-58)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY. HAZY.
* MAX TEMPERATURE.....85-93...EXCEPT 80-85 RIDGES.
* MIN HUMIDITY........8-13 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 3 TO 8
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 3 TO 8
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH INCREASING TO WEST
AROUND 15 MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (58-104) INCREASING TO EXCELLENT
(861-1049) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZY IN THE EVENING.
* MIN TEMPERATURE.....52-58.
* MAX HUMIDITY........56-66 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH BECOMING WEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (524-720) DECREASING TO
POOR (34-80) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....79-87...EXCEPT 74-79 RIDGES.
* MIN HUMIDITY........20-25 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.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (93-153) INCREASING TO EXCELLENT
(777-969) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 49 TO 55. HIGHS 76 TO 85. WEST
WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
50 TO 56. HIGHS 74 TO 83. WEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
49 TO 55. HIGHS 78 TO 86. NORTHWEST WINDS 1 TO 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 51 TO 57. HIGHS 83 TO 91.
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS 84 TO 93. WEST
WINDS 1 TO 5 MPH.
ORZ700-181430-
CENTRAL MOUNTAINS OF OREGON-
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT FRIDAY FOR WIND AND
LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZY.
* MIN TEMPERATURE.....49-55.
* MAX HUMIDITY........45-58 PERCENT...EXCEPT 40-47 PERCENT RIDGES.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 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 15 MPH BECOMING WEST AROUND
5 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (356-600) DECREASING TO POOR
(25-43) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY. HAZY IN THE MORNING.
* MAX TEMPERATURE.....86-91...EXCEPT 79-85 RIDGES.
* MIN HUMIDITY........8-13 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 4 TO
10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 4 TO 10
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 (51-109) INCREASING TO EXCELLENT
(854-1050) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZY IN THE EVENING.
* MIN TEMPERATURE.....46-56.
* MAX HUMIDITY........60-72 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH WITH GUSTS UP TO
25 MPH BECOMING WEST 1 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (520-752) DECREASING TO
POOR (33-75) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-85...EXCEPT 73-79 RIDGES.
* MIN HUMIDITY........20-27 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 4 TO 9
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.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (61-123) INCREASING TO GOOD TO EXCELLENT
(681-969) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS 77 TO 83. WEST
WINDS 4 TO 9 MPH.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
45 TO 53. HIGHS 75 TO 81. NORTHWEST WINDS 3 TO 8 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
44 TO 52. HIGHS 78 TO 85. NORTHWEST WINDS 1 TO 6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS 83 TO 90. WEST
WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49 TO 57. HIGHS 85 TO 91. WEST
WINDS 2 TO 7 MPH.
ORZ703-181430-
WARM SPRINGS RESERVATION-
102 PM PDT THU JUL 17 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT FRIDAY FOR WIND AND
LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........CLEAR.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........48-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (217-363) DECREASING TO POOR (28-66)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....84-94...EXCEPT 72-81 RIDGES.
* MIN HUMIDITY........15-25 PERCENT...EXCEPT 22-36 PERCENT RIDGES.
* 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.......9000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (60-126) INCREASING TO GOOD TO EXCELLENT
(565-809) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....55-60...EXCEPT 49-55 RIDGES.
* MAX HUMIDITY........56-65 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH DECREASING TO 3 TO 8
MPH AFTER MIDNIGHT.
* 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 (415-611) DECREASING TO POOR
(47-129) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE.....77-87...EXCEPT 65-74 RIDGES.
* MIN HUMIDITY........23-31 PERCENT...EXCEPT 33-48 PERCENT RIDGES.
* 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.......9000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (71-151) INCREASING TO GOOD TO EXCELLENT
(549-817) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 73 TO 86. WEST
WINDS 5 TO 11 MPH.
MONDAY
PARTLY CLOUDY. LOWS 49 TO 55. HIGHS 70 TO 84. WEST
WINDS 4 TO 9 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 77 TO 88. WEST
WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 82 TO 93. WEST
WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 81 TO 94. WEST
WINDS 3 TO 8 MPH.
ORZ704-181430-
NORTHERN DESCHUTES NATIONAL FOREST-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........47-62 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 3 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...POOR TO FAIR (194-342) DECREASING TO POOR
(25-65) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....85-90...EXCEPT 71-81 RIDGES.
* MIN HUMIDITY........14-24 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 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (55-119) INCREASING TO GOOD TO EXCELLENT
(554-832) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....47-54.
* MAX HUMIDITY........59-74 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 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (341-603) DECREASING TO POOR
(47-155) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....78-84...EXCEPT 65-74 RIDGES.
* MIN HUMIDITY........26-33 PERCENT...EXCEPT 35-50 PERCENT RIDGES.
* 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 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (69-169) INCREASING TO FAIR TO EXCELLENT
(497-769) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 44 TO 50. HIGHS 69 TO 82. WEST
WINDS 4 TO 9 MPH.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
44 TO 50. HIGHS 66 TO 80. WEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 43 TO 49. HIGHS 71 TO 85. WEST
WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 75 TO 89. WEST
WINDS 1 TO 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS 77 TO 90. WEST
WINDS 2 TO 7 MPH.
ORZ705-181430-
SOUTHERN DESCHUTES NATIONAL FOREST-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........53-68 PERCENT...EXCEPT 42-57 PERCENT RIDGES.
* 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....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH
AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR (238-440) DECREASING TO POOR (25-35)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....82-87...EXCEPT 72-80 RIDGES.
* MIN HUMIDITY........14-22 PERCENT.
* 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....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (70-132) INCREASING TO EXCELLENT
(766-1050) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....44-50.
* MAX HUMIDITY........70-85 PERCENT...EXCEPT 59-74 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (329-571) DECREASING TO POOR
(31-73) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....77-82...EXCEPT 66-75 RIDGES.
* MIN HUMIDITY........25-33 PERCENT...EXCEPT 30-45 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 6
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (52-108) INCREASING TO GOOD TO EXCELLENT
(579-925) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 70 TO 81. WEST
WINDS 2 TO 7 MPH.
MONDAY
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 68 TO 78. WEST
WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
41 TO 46. HIGHS 72 TO 82. WEST WINDS 1 TO 6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 43 TO 50. HIGHS 77 TO 86. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 77 TO 87. WEST
WINDS 1 TO 5 MPH.
ORZ697-181430-
CENTRAL BLUE MOUNTAINS-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........CLEAR. HAZY IN THE EVENING.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........38-49 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 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 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (332-474) DECREASING TO POOR (25-59)
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........SUNNY. HAZY IN THE MORNING.
* MAX TEMPERATURE.....83-88...EXCEPT 77-84 RIDGES.
* MIN HUMIDITY........10-15 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 5 TO 8
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 5 TO 8
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (62-130) INCREASING TO EXCELLENT
(1034-1050) IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZY.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........57-72 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (438-578) DECREASING TO POOR
(26-72) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....79-84...EXCEPT 72-79 RIDGES.
* MIN HUMIDITY........22-27 PERCENT.
* 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....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (67-141) INCREASING TO EXCELLENT
(821-1027) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 45 TO 51. HIGHS 72 TO 79. WEST
WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
47 TO 52. HIGHS 70 TO 76. NORTHWEST WINDS 1 TO 6 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 45 TO 51. HIGHS 73 TO 80. NORTHWEST WINDS
1 TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 77 TO 85. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49 TO 55. HIGHS 79 TO 87.
NORTHWEST WINDS 1 TO 5 MPH.
ORZ698-181430-
SOUTHERN BLUE MOUNTAINS-
102 PM PDT THU JUL 17 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZY IN THE EVENING.
* MIN TEMPERATURE.....51-58.
* MAX HUMIDITY........36-46 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 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 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (494-638) DECREASING TO POOR
(26-66) AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZY IN THE MORNING.
* MAX TEMPERATURE.....85-91.
* MIN HUMIDITY........8-13 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 6 TO
11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 5 TO 8
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......12000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (89-143) INCREASING TO EXCELLENT (1050)
IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZY.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........52-66 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (566-756) DECREASING TO
POOR (30-86) AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-84...EXCEPT 74-79 RIDGES.
* MIN HUMIDITY........18-23 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 3 TO 7
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (71-127) INCREASING TO EXCELLENT
(984-1050) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
PARTLY CLOUDY. LOWS 46 TO 52. HIGHS 77 TO 83. NORTHWEST
WINDS 4 TO 9 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
48 TO 55. HIGHS 75 TO 82. NORTHWEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 46 TO 53. HIGHS 77 TO 83. NORTHWEST WINDS
2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS 82 TO 88. WEST
WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 84 TO 90. WEST
WINDS 1 TO 5 MPH.
8-14 DAY OUTLOOK FOR FRIDAY JULY 25 THROUGH THURSDAY JULY 31
A GREATER CHANCE OF NEAR- TO ABOVE-NORMAL TEMPERATURES AND NEAR-
NORMAL PRECIPITATION.
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