345
FNUS56 KPDT 232121
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
221 PM PDT TUE JUN 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR
OR691 DUE TO WIND AND LOW RELATIVE HUMIDITY...
DISCUSSION
HOT, DRY, AND LOCALLY BREEZY CONDITIONS ARE
EXPECTED TODAY AND TOMORROW. OFFSHORE WINDS (EASTERLY TO NORTH-
NORTHEASTERLY) TODAY WILL TRANSITION TO ONSHORE (WESTERLY)
WEDNESDAY AFTERNOON. A SLIGHT CHANCE OF HIGH-BASED SHOWERS AND
THUNDERSTORMS IS FORECAST WEDNESDAY, MAINLY ACROSS THE EAST SLOPES
OF THE WASHINGTON CASCADES. WIDESPREAD BREEZY TO WINDY WESTERLY
WINDS, COUPLED WITH LOW RELATIVE HUMIDITY, ARE EXPECTED THURSDAY.
***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 TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.
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.
CATEGORIES: LOW (< 200), MODERATE (200-500),
HIGH (500-700), AND VERY HIGH (> 700).
-NOTE: MAX TRANSPORT WINDS MAY NOT OCCUR
AT THE SAME TIME AS MAX MIXING HEIGHT. ***
WAZ695-241130-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....51-59.
* MAX HUMIDITY........43-58 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (70-160) DECREASING TO LOW (25-37) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....77-86...EXCEPT 68-77 RIDGES.
* MIN HUMIDITY........22-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (60-124) INCREASING TO MODERATE TO HIGH
(499-677) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....48-57...EXCEPT 45-52 RIDGES.
* MAX HUMIDITY........51-66 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...MODERATE (303-449) DECREASING TO LOW (37-65)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....68-78...EXCEPT 59-69 RIDGES.
* MIN HUMIDITY........23-38 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.......8000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...LOW (84-114) INCREASING TO MODERATE TO HIGH
(399-561) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 42 TO 50. HIGHS 49 TO 64. WEST WINDS 5 TO 11 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 36 TO
43. HIGHS 45 TO 60. WEST WINDS 7 TO 13 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 38 TO 45.
HIGHS 47 TO 62. WEST WINDS 7 TO 13 MPH.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
39 TO 46. HIGHS 50 TO 65. WEST WINDS 7 TO 13 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 38 TO 45. HIGHS 51 TO 66. WEST
WINDS 6 TO 12 MPH.
WAZ690-241130-
KITTITAS VALLEY-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....59-64.
* MAX HUMIDITY........36-47 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW TO MODERATE (140-246) DECREASING TO LOW
(30-42) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....86-92...EXCEPT 76-86 RIDGES.
* MIN HUMIDITY........16-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 4 TO 9
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......12500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (85-129) INCREASING TO HIGH TO VERY HIGH
(577-861) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
* MIN TEMPERATURE.....57-62.
* MAX HUMIDITY........40-51 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 15 MPH WITH GUSTS UP TO
30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (439-613) DECREASING TO LOW
(49-79) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....79-86...EXCEPT 69-79 RIDGES.
* MIN HUMIDITY........16-21 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.......8500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...LOW (83-133) INCREASING TO HIGH TO VERY HIGH
(587-783) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
NOT AS WARM. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 51 TO 56. HIGHS 66 TO 75.
WEST WINDS 8 TO 14 MPH.
SATURDAY
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 45 TO 50.
HIGHS 60 TO 68. WEST WINDS 11 TO 17 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 47 TO 52. HIGHS 63 TO 72. NORTHWEST
WINDS 10 TO 16 MPH.
MONDAY
PARTLY CLOUDY. LOWS 47 TO 52. HIGHS 66 TO 75. WEST
WINDS 9 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 68 TO 77. WEST
WINDS 9 TO 15 MPH.
WAZ694-241130-
YAKAMA ALPINE DISTRICT-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....52-59.
* MAX HUMIDITY........41-56 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (104-174) DECREASING TO LOW (25-32) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....81-89...EXCEPT 71-84 RIDGES.
* MIN HUMIDITY........17-30 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 3 TO 8
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......11500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (48-88) INCREASING TO HIGH TO VERY HIGH
(527-717) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....48-55.
* MAX HUMIDITY........45-60 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE (302-440) DECREASING TO LOW (34-56)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....72-81...EXCEPT 61-73 RIDGES.
* MIN HUMIDITY........19-34 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.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (62-96) INCREASING TO MODERATE TO HIGH
(482-616) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
43 TO 51. HIGHS 53 TO 67. WEST WINDS 7 TO 13 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 37 TO
45. HIGHS 49 TO 63. WEST WINDS 7 TO 13 MPH.
SUNDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 38 TO
45. HIGHS 52 TO 67. WEST WINDS 7 TO 13 MPH.
MONDAY
PARTLY CLOUDY. LOWS 38 TO 46. HIGHS 54 TO 69. WEST
WINDS 6 TO 12 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 38 TO 45. HIGHS 57 TO 72. WEST
WINDS 5 TO 11 MPH.
ORZ691-241130-
LOWER COLUMBIA BASIN OF OREGON-
221 PM PDT TUE JUN 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING DUE TO
WIND AND LOW RELATIVE HUMIDITY...
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....56-61.
* MAX HUMIDITY........36-49 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 3 TO 8 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH 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.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* VENTILATION INDEX...MODERATE (224-324) DECREASING TO LOW (25-26)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....85-93.
* MIN HUMIDITY........14-19 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH INCREASING TO 8
TO 14 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......12000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (52-88) INCREASING TO HIGH TO VERY HIGH
(651-945) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....55-61.
* MAX HUMIDITY........40-49 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH WITH GUSTS UP TO 30
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 12 TO 18 MPH BECOMING SOUTHWEST 6
TO 12 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...HIGH (529-685) DECREASING TO LOW (43-71)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....78-86.
* MIN HUMIDITY........15-20 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH. GUSTS 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.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...LOW TO MODERATE (89-217) INCREASING TO HIGH
TO VERY HIGH (684-954) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
NOT AS WARM. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS 51 TO 56. HIGHS 67 TO 75. WEST WINDS 8 TO 14 MPH.
SATURDAY
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 44 TO 49.
HIGHS 59 TO 69. WEST WINDS 12 TO 18 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
43 TO 49. HIGHS 61 TO 70. WEST WINDS 13 TO 19 MPH.
MONDAY
PARTLY CLOUDY. LOWS 44 TO 50. HIGHS 66 TO 74. WEST
WINDS 12 TO 18 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 69 TO 76. WEST
WINDS 8 TO 14 MPH.
WAZ691-241130-
LOWER COLUMBIA BASIN OF WASHINGTON-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....56-62.
* MAX HUMIDITY........36-51 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW TO MODERATE (181-283) DECREASING TO LOW
(25-35) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....90-96...EXCEPT 83-90 RIDGES.
* MIN HUMIDITY........13-18 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 3 TO 8
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......13000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (41-91) INCREASING TO MODERATE TO VERY
HIGH (499-757) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....57-62.
* MAX HUMIDITY........40-55 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (452-594) DECREASING TO LOW
(34-56) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....83-90...EXCEPT 75-83 RIDGES.
* MIN HUMIDITY........13-18 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 6 TO 12 MPH. GUSTS TO 25 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (59-137) INCREASING TO HIGH TO VERY HIGH
(653-909) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
NOT AS WARM. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS 52 TO 57. HIGHS 71 TO 78. SOUTHWEST WINDS 9 TO 15 MPH.
SATURDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 46 TO
51. HIGHS 65 TO 72. WEST WINDS 10 TO 16 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
45 TO 50. HIGHS 67 TO 75. WEST WINDS 9 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 70 TO 78. SOUTHWEST
WINDS 9 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 73 TO 80. SOUTHWEST
WINDS 6 TO 12 MPH.
ORZ692-WAZ692-241130-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....51-59.
* MAX HUMIDITY........39-54 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 5 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (122-178) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....79-89...EXCEPT 73-78 RIDGES.
* MIN HUMIDITY........17-23 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (57-131) INCREASING TO HIGH (500-684) IN
THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-60.
* MAX HUMIDITY........43-58 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...MODERATE (254-402) DECREASING TO LOW (41-55)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....75-84...EXCEPT 68-74 RIDGES.
* MIN HUMIDITY........18-25 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.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (89-149) INCREASING TO HIGH TO VERY HIGH
(665-793) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 46 TO 52. HIGHS 57 TO 68. WEST WINDS 3 TO 8 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 39 TO 47. HIGHS 50 TO 62. WEST WINDS 6 TO
12 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 38 TO 46.
HIGHS 51 TO 62. WEST WINDS 6 TO 12 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
39 TO 47. HIGHS 57 TO 69. SOUTHWEST WINDS 5 TO 11 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 38 TO 47. HIGHS 61 TO 72.
SOUTHWEST WINDS 2 TO 7 MPH.
ORZ693-WAZ693-241130-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....49-59.
* MAX HUMIDITY........45-57 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW TO MODERATE (152-230) DECREASING TO LOW
(25) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....80-88...EXCEPT 74-80 RIDGES.
* MIN HUMIDITY........16-21 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.......10000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (38-78) INCREASING TO HIGH (574-694) IN
THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
* MIN TEMPERATURE.....49-59.
* MAX HUMIDITY........40-54 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 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 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...MODERATE (252-308) DECREASING TO LOW (26-32)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....77-86...EXCEPT 72-78 RIDGES.
* MIN HUMIDITY........18-23 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 5
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (64-90) INCREASING TO HIGH TO VERY HIGH
(659-825) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
46 TO 55. HIGHS 59 TO 69. WEST WINDS 2 TO 7 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS 38 TO 49.
HIGHS 52 TO 62. WEST WINDS 4 TO 9 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 36 TO 47. HIGHS 53 TO 62. WEST
WINDS 4 TO 9 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
36 TO 47. HIGHS 60 TO 70. SOUTHWEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
37 TO 48. HIGHS 65 TO 75. WEST WINDS 1 TO 5 MPH.
ORZ701-241130-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....55-61.
* MAX HUMIDITY........50-65 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH...EXCEPT
NORTHWEST 1 TO 6 MPH IN THE EASTERN COLUMBIA RIVER GORGE.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW TO MODERATE (76-214) DECREASING TO LOW
(27-37) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....86-91.
* MIN HUMIDITY........20-27 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH INCREASING TO 7
TO 13 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON. IN THE
EASTERN COLUMBIA RIVER GORGE, WEST WINDS 3 TO 8 MPH
INCREASING TO 9 TO 15 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (73-107) INCREASING TO HIGH TO VERY HIGH
(591-801) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........45-60 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WINDS WEST WINDS 8 TO 14 MPH. GUSTS TO 30
MPH IN THE EVENING.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...MODERATE (363-481) DECREASING TO LOW (37-61)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....78-83...EXCEPT 73-80 RIDGES.
* MIN HUMIDITY........20-32 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH INCREASING TO 7 TO 13
MPH IN THE AFTERNOON. IN THE EASTERN COLUMBIA RIVER GORGE,
WEST WINDS 4 TO 9 MPH INCREASING TO 10 TO 16 MPH IN THE
AFTERNOON.
* 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 10 TO 15 MPH.
* VENTILATION INDEX...LOW (66-122) INCREASING TO HIGH (510-660) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS LIKELY. LOWS 48 TO 54. HIGHS 64 TO 70.
WEST WINDS 6 TO 12 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 43 TO 49. HIGHS 59 TO 64. WEST
WINDS 8 TO 14 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 44 TO 50.
HIGHS 61 TO 66. WEST WINDS 9 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS 65 TO 70. WEST
WINDS 8 TO 14 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 43 TO 49. HIGHS 67 TO 72. WEST
WINDS 7 TO 13 MPH.
ORZ702-241130-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-60.
* MAX HUMIDITY........47-62 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (102-192) DECREASING TO LOW (29-35) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.....81-89...EXCEPT 74-82 RIDGES.
* MIN HUMIDITY........21-33 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.......9000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (83-111) INCREASING TO MODERATE TO HIGH
(483-627) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....48-55.
* MAX HUMIDITY........40-55 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.......500 FT AGL.
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.
* VENTILATION INDEX...MODERATE (297-385) DECREASING TO LOW (48-62)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....73-81...EXCEPT 66-75 RIDGES.
* MIN HUMIDITY........22-33 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 1 TO 6
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (76-112) INCREASING TO MODERATE TO HIGH
(440-584) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 44 TO 51. HIGHS 51 TO 66. WEST WINDS 2 TO 7 MPH.
SATURDAY
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS
38 TO 46. HIGHS 46 TO 60. WEST WINDS 4 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 40 TO 47.
HIGHS 49 TO 63. WEST WINDS 6 TO 12 MPH.
MONDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 40 TO 46.
HIGHS 53 TO 67. WEST WINDS 4 TO 9 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 40 TO 46. HIGHS 55 TO 69. WEST
WINDS 3 TO 8 MPH.
ORZ695-241130-
EAGLE CAP WILDERNESS-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....49-57.
* MAX HUMIDITY........40-51 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...LOW TO MODERATE (172-328) DECREASING TO LOW
(25-45) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.....76-87...EXCEPT 66-77 RIDGES.
* MIN HUMIDITY........17-26 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (78-142) INCREASING TO HIGH TO VERY HIGH
(581-779) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....48-56.
* MAX HUMIDITY........40-50 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 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.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE (298-392) DECREASING TO LOW (28-46)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....73-85...EXCEPT 64-74 RIDGES.
* MIN HUMIDITY........18-29 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (38-92) INCREASING TO HIGH TO VERY HIGH
(626-788) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
42 TO 52. HIGHS 50 TO 65. WEST WINDS 3 TO 8 MPH.
SATURDAY
SHOWERS, SNOW SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS 34 TO 44. HIGHS 42 TO 57. NORTHWEST WINDS 4 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS, SNOW SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 31 TO 41. HIGHS 43 TO
58. NORTHWEST WINDS 4 TO 9 MPH.
MONDAY
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 33 TO
42. HIGHS 51 TO 66. SOUTHWEST WINDS 2 TO 7 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 34 TO
43. HIGHS 56 TO 71. SOUTHWEST WINDS 2 TO 7 MPH.
ORZ694-241130-
GRANDE RONDE VALLEY OF OREGON-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........49-60 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...MODERATE (223-301) DECREASING TO LOW (25-40)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....84-89.
* MIN HUMIDITY........14-19 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...LOW (85-165) INCREASING TO HIGH TO VERY HIGH
(690-948) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........52-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH DECREASING TO 3
TO 6 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE (308-442) DECREASING TO LOW (26-46)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....81-86.
* MIN HUMIDITY........16-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (61-109) INCREASING TO HIGH (573-671) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
47 TO 52. HIGHS 65 TO 70. NORTHWEST WINDS 6 TO 12 MPH.
SATURDAY
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS
40 TO 45. HIGHS 57 TO 63. NORTHWEST WINDS 5 TO 11 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 38 TO 43.
HIGHS 59 TO 64. NORTHWEST WINDS 4 TO 10 MPH.
MONDAY
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 38 TO
43. HIGHS 66 TO 71. WEST WINDS 1 TO 6 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 39 TO
44. HIGHS 71 TO 76. NORTHWEST WINDS 1 TO 5 MPH.
ORZ699-241130-
WESTERN FORESTED BLUE MOUNTAINS-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....48-55.
* MAX HUMIDITY........39-51 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...MODERATE (222-336) DECREASING TO LOW (25-38)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....79-86...EXCEPT 73-80 RIDGES.
* MIN HUMIDITY........15-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (114-168) INCREASING TO HIGH TO VERY HIGH
(694-848) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-54.
* MAX HUMIDITY........47-60 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (428-578) DECREASING TO LOW
(35-57) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....75-82...EXCEPT 69-77 RIDGES.
* MIN HUMIDITY........17-22 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 1 TO 5
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING WEST 2 TO 6
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (62-96) INCREASING TO HIGH TO VERY HIGH
(666-828) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
44 TO 50. HIGHS 56 TO 66. WEST WINDS 2 TO 7 MPH.
SATURDAY
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS
36 TO 43. HIGHS 48 TO 57. WEST WINDS 4 TO 9 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 34 TO 41. HIGHS 49 TO 59. WEST
WINDS 4 TO 10 MPH.
MONDAY
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 35 TO
42. HIGHS 57 TO 67. WEST WINDS 2 TO 7 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 36 TO 41. HIGHS 62 TO 71. WEST
WINDS UP TO 5 MPH.
ORZ696-241130-
JOHN DAY VALLEY-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....51-57.
* MAX HUMIDITY........34-47 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 15 MPH DECREASING TO AROUND 5
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...MODERATE (302-478) DECREASING TO LOW (25-30)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....81-90...EXCEPT 77-82 RIDGES.
* MIN HUMIDITY........12-17 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (79-121) INCREASING TO HIGH TO VERY HIGH
(699-819) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........46-56 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...HIGH (527-669) DECREASING TO LOW (32-46)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....77-85...EXCEPT 72-77 RIDGES.
* MIN HUMIDITY........13-18 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.......9000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (54-76) INCREASING TO HIGH TO VERY HIGH
(596-726) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. CLOUDY WITH SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 47 TO 53. HIGHS 62 TO 71. WEST WINDS 4 TO
9 MPH.
SATURDAY
COOLER. SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 39 TO 45. HIGHS 52 TO 61. WEST WINDS 5 TO
11 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 37 TO 44. HIGHS 55 TO 63. WEST
WINDS 5 TO 11 MPH.
MONDAY
PARTLY CLOUDY. LOWS 38 TO 44. HIGHS 62 TO 71. WEST
WINDS 2 TO 7 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 38 TO 44. HIGHS 66 TO 75. WEST
WINDS 2 TO 7 MPH.
ORZ700-241130-
CENTRAL MOUNTAINS OF OREGON-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....46-55.
* MAX HUMIDITY........41-56 PERCENT...EXCEPT 33-45 PERCENT RIDGES.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (414-630) DECREASING TO LOW
(25-42) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....82-88...EXCEPT 75-81 RIDGES.
* MIN HUMIDITY........13-18 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 4
TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (66-140) INCREASING TO VERY HIGH
(713-867) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....44-52.
* MAX HUMIDITY........47-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH SHIFTING TO THE
WEST 2 TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...HIGH TO VERY HIGH (618-836) DECREASING TO LOW
(26-84) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....78-83...EXCEPT 71-76 RIDGES.
* MIN HUMIDITY........12-17 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 5
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (48-68) INCREASING TO HIGH TO VERY HIGH
(597-803) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. MOSTLY CLOUDY WITH SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 42 TO 50. HIGHS 64 TO 70. WEST
WINDS 5 TO 11 MPH.
SATURDAY
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 32 TO 42. HIGHS 53 TO 59.
WEST WINDS 7 TO 13 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
29 TO 42. HIGHS 56 TO 63. WEST WINDS 7 TO 13 MPH.
MONDAY
PARTLY CLOUDY. LOWS 30 TO 42. HIGHS 64 TO 70. WEST
WINDS 3 TO 8 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 32 TO 42. HIGHS 67 TO 73. WEST
WINDS 2 TO 7 MPH.
ORZ703-241130-
WARM SPRINGS RESERVATION-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........51-63 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....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...MODERATE (202-376) DECREASING TO LOW (27-37)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....82-92...EXCEPT 69-81 RIDGES.
* MIN HUMIDITY........16-24 PERCENT...EXCEPT 23-38 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 5
TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 5 MPH INCREASING TO 5
TO 11 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (75-125) INCREASING TO HIGH TO VERY HIGH
(611-859) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....49-54.
* MAX HUMIDITY........45-56 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH BECOMING WEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...MODERATE TO HIGH (409-553) DECREASING TO LOW
(35-59) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....75-85...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY........15-23 PERCENT...EXCEPT 22-35 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (54-108) INCREASING TO HIGH TO VERY HIGH
(540-712) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
45 TO 52. HIGHS 57 TO 72. WEST WINDS 5 TO 11 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 39 TO 46. HIGHS 49 TO 63. WEST
WINDS 7 TO 13 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 41 TO 47.
HIGHS 53 TO 66. WEST WINDS 8 TO 14 MPH.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
42 TO 47. HIGHS 59 TO 72. WEST WINDS 6 TO 12 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 61 TO 75. WEST
WINDS 5 TO 11 MPH.
ORZ704-241130-
NORTHERN DESCHUTES NATIONAL FOREST-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........58-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...MODERATE (249-425) DECREASING TO LOW (29-35)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.....82-88...EXCEPT 68-78 RIDGES.
* MIN HUMIDITY........18-23 PERCENT...EXCEPT 24-39 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 4
TO 10 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (85-113) INCREASING TO HIGH (517-619) IN
THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....43-49.
* MAX HUMIDITY........53-67 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 8 TO 14 MPH DECREASING TO 2 TO 7
MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE (373-487) DECREASING TO LOW (37-51)
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....75-81...EXCEPT 62-72 RIDGES.
* MIN HUMIDITY........17-22 PERCENT...EXCEPT 22-36 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....LIGHT LESS THAN 5 MPH BECOMING WEST 5 TO 11
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (65-95) INCREASING TO HIGH (551-693) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER, SHOWERS. LOWS 41 TO 48. HIGHS 51 TO 65. WEST
WINDS 6 TO 12 MPH.
SATURDAY
SHOWERS, SNOW SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 34 TO 42. HIGHS 42 TO 56. WEST WINDS 7 TO
13 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 34 TO 42.
HIGHS 47 TO 61. WEST WINDS 6 TO 12 MPH.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
35 TO 43. HIGHS 55 TO 68. WEST WINDS 3 TO 8 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 35 TO 42. HIGHS 58 TO 71. WEST
WINDS 2 TO 7 MPH.
ORZ705-241130-
SOUTHERN DESCHUTES NATIONAL FOREST-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
* MIN TEMPERATURE.....42-50.
* MAX HUMIDITY........64-79 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (255-549) DECREASING TO LOW
(25-41) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.....79-84...EXCEPT 69-77 RIDGES.
* MIN HUMIDITY........16-31 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (76-132) INCREASING TO HIGH TO VERY HIGH
(500-706) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....39-46.
* MAX HUMIDITY........62-77 PERCENT...EXCEPT 51-66 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (300-556) DECREASING TO LOW
(26-56) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....74-79...EXCEPT 64-73 RIDGES.
* MIN HUMIDITY........14-26 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 1 TO 5
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...LOW (45-65) INCREASING TO HIGH TO VERY HIGH
(562-812) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS 39 TO
45. HIGHS 54 TO 65. WEST WINDS 3 TO 8 MPH.
SATURDAY
COOLER. SNOW SHOWERS WITH POSSIBLE SHOWERS AND
THUNDERSTORMS. LOWS 30 TO 36. HIGHS 43 TO 54. WEST WINDS 4 TO
9 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 29 TO 36.
HIGHS 49 TO 58. WEST WINDS 3 TO 8 MPH.
MONDAY
PARTLY CLOUDY. LOWS 30 TO 37. HIGHS 58 TO 68. WEST
WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 31 TO 38. HIGHS 61 TO 71. WEST
WINDS 1 TO 6 MPH.
ORZ697-241130-
CENTRAL BLUE MOUNTAINS-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....46-55.
* MAX HUMIDITY........37-49 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...LOW TO MODERATE (189-463) DECREASING TO LOW
(28-48) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....79-84...EXCEPT 74-80 RIDGES.
* MIN HUMIDITY........13-18 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (106-164) INCREASING TO VERY HIGH
(800-904) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....45-54.
* MAX HUMIDITY........44-58 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....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...MODERATE TO HIGH (477-621) DECREASING TO LOW
(45-65) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....76-81...EXCEPT 70-77 RIDGES.
* MIN HUMIDITY........15-20 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 7
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (60-82) INCREASING TO VERY HIGH (790-996)
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. MOSTLY CLOUDY WITH SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 42 TO 49. HIGHS 57 TO 65. WEST WINDS 2 TO
7 MPH.
SATURDAY
SHOWERS, SNOW SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 34 TO 41. HIGHS 48 TO 55. NORTHWEST WINDS
4 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 31 TO 37.
HIGHS 50 TO 56. NORTHWEST WINDS 5 TO 11 MPH.
MONDAY
PARTLY CLOUDY. LOWS 32 TO 38. HIGHS 58 TO 65. WEST
WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 33 TO 40. HIGHS 63 TO 70. WEST
WINDS 1 TO 6 MPH.
ORZ698-241130-
SOUTHERN BLUE MOUNTAINS-
221 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-55.
* MAX HUMIDITY........35-41 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...LOW TO MODERATE (146-490) DECREASING TO LOW
(43-55) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....81-87.
* MIN HUMIDITY........11-16 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 3
TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......12000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (122-166) INCREASING TO VERY HIGH
(880-988) IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....46-54.
* MAX HUMIDITY........43-55 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.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...HIGH TO VERY HIGH (570-734) DECREASING TO LOW
(56-78) AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....77-83.
* MIN HUMIDITY........11-16 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 6
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...LOW (64-84) INCREASING TO VERY HIGH
(926-1050) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
FRIDAY
COOLER. MOSTLY CLOUDY WITH SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 43 TO 50. HIGHS 63 TO 69. WEST WINDS 4 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 35 TO 42. HIGHS 53 TO 60. NORTHWEST
WINDS 5 TO 11 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
31 TO 38. HIGHS 54 TO 61. NORTHWEST WINDS 7 TO 13 MPH.
MONDAY
PARTLY CLOUDY. LOWS 31 TO 38. HIGHS 63 TO 70. WEST
WINDS 2 TO 7 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 33 TO 41. HIGHS 68 TO 75. WEST
WINDS 1 TO 6 MPH.
8-14 DAY OUTLOOK FOR WEDNESDAY JULY 1 THROUGH TUESDAY JULY 7
A GREATER CHANCE OF NEAR-NORMAL TEMPERATURES AND NEAR- TO ABOVE-
NORMAL PRECIPITATION.
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