Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
329
FNUS56 KPDT 282019
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
119 PM PDT Thu Aug 28 2025
.DISCUSSION...
There is a chance of showers and thunderstorms this afternoon and
early evening, mainly for the Washington Cascades and Eastern
Oregon. Otherwise, dry weather is expected into the weekend and
early next week. Temperatures are expected to remain much above
normal, with some diurnal breezes each day.
***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.
WAZ695-291115-
East Washington South Central Cascade Mountains-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....54-60.
* Max humidity........65-80 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph shifting to the
southeast after midnight.
* Ventilation Index...Poor (35-131) decreasing to poor (25-53)
after midnight.
.FRIDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
Hazy.
* Max temperature.....80-88...except 71-79 ridges.
* Min humidity........25-34 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 1 to
5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 1 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-71) increasing to fair to good
(376-684) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-61.
* Max humidity........55-70 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (85-223) decreasing to poor
(25-66) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
* Max temperature.....80-89...except 71-79 ridges.
* Min humidity........25-37 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 1
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 1 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....West around 5 mph shifting to the south in
the afternoon.
* Ventilation Index...Poor (25-55) increasing to fair to excellent
(479-731) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 55 to
62. Highs 73 to 87. Northwest winds 1 to 6 mph.
.LABOR DAY...A slight chance of showers. Partly cloudy. Lows
54 to 62. Highs 76 to 90. Northwest winds 1 to 6 mph.
.TUESDAY...Mostly clear. Lows 58 to 65. Highs 81 to 94. Northwest
winds 1 to 5 mph.
.WEDNESDAY...Mostly clear. Lows 60 to 67. Highs 81 to 94.
Northwest winds 1 to 5 mph.
.THURSDAY...Mostly clear. Lows 59 to 66. Highs 77 to 91. West
winds 1 to 6 mph.
$$
WAZ690-291115-
Kittitas Valley-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....59-66.
* Max humidity........62-77 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (99-185) decreasing to poor (25-50)
after midnight.
.FRIDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
Hazy.
* Max temperature.....88-93...except 76-88 ridges.
* Min humidity........22-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Northeast around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Poor (25-53) increasing to fair to good
(437-591) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....59-67.
* Max humidity........51-66 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming
northwest 1 to 5 mph after midnight.
* Ridges/upr slopes....light winds less than 5 mph becoming
northwest 2 to 6 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor to fair (139-251) decreasing to poor
(29-87) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-94...except 77-89 ridges.
* Min humidity........21-26 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph shifting to the
east 1 to 6 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 1 to 6 mph shifting to the
east 1 to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Northwest around 10 mph shifting to the south
in the afternoon.
* Ventilation Index...Poor (25-71) increasing to fair to good
(390-636) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
62 to 69. Highs 86 to 93. North winds 2 to 7 mph.
.LABOR DAY...Partly cloudy. Lows 61 to 69. Highs 89 to 96.
Northwest winds 2 to 7 mph.
.TUESDAY...Mostly clear. Lows 63 to 71. Highs 93 to 100.
Northwest winds 2 to 7 mph.
.WEDNESDAY...Mostly clear. Lows 65 to 72. Highs 93 to 100. North
winds 2 to 7 mph.
.THURSDAY...Mostly clear. Lows 65 to 72. Highs 91 to 97.
Northwest winds 2 to 7 mph.
$$
WAZ694-291115-
Yakama Alpine District-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy after midnight.
* Min temperature.....54-61.
* Max humidity........58-73 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (52-188) decreasing to poor (25-43)
after midnight.
.FRIDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
Hazy.
* Max temperature.....84-91...except 75-86 ridges.
* Min humidity........19-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 2 to
5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-49) increasing to fair to good
(394-658) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Hazy in the evening.
* Min temperature.....54-63.
* Max humidity........48-63 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (131-221) decreasing to poor
(25-55) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....83-91...except 74-85 ridges.
* Min humidity........22-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 1 to
6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 1 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the
southeast in the afternoon.
* Ventilation Index...Poor (25-41) increasing to fair to good
(316-602) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 54 to 62. Highs 77 to 89. West
winds 1 to 5 mph.
.LABOR DAY...Partly cloudy. Lows 54 to 62. Highs 80 to 91. West
winds 1 to 5 mph.
.TUESDAY...Mostly clear. Lows 57 to 65. Highs 85 to 96. Northwest
winds 1 to 5 mph.
.WEDNESDAY...Mostly clear. Lows 60 to 67. Highs 85 to 97. West
winds 1 to 5 mph.
.THURSDAY...Mostly clear. Lows 60 to 67. Highs 82 to 94. West
winds 1 to 5 mph.
$$
ORZ691-WAZ691-291115-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....60-65.
* Max humidity........60-75 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 2 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....North winds 2 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (74-190) decreasing to poor (25-42)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....90-95.
* Min humidity........20-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to
5 mph in the afternoon.
* Ridges/upr slopes....North winds 2 to 5 mph shifting to the
southeast 2 to 6 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (25-45) increasing to poor to fair
(156-354) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Hazy in the evening.
* Min temperature.....60-65.
* Max humidity........50-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 2 to 5 mph shifting to the
southwest 1 to 5 mph after midnight.
* Ridges/upr slopes....Northwest winds 2 to 6 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 (55-233) decreasing to poor
(25-53) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....89-96...except 84-92 ridges.
* Min humidity........20-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 2 to 6 mph shifting to the east 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....West around 5 mph shifting to the southeast
in the afternoon.
* Ventilation Index...Poor (25-44) increasing to poor to fair
(117-351) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 61 to 67. Highs 88 to 95. West
winds 2 to 7 mph.
.LABOR DAY...Partly cloudy. Lows 60 to 65. Highs 89 to 96. West
winds 2 to 7 mph.
.TUESDAY...Mostly clear. Lows 63 to 68. Highs 94 to 99. West
winds 1 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 64 to 69. Highs 94 to 100. West
winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 65 to 70. Highs 92 to 98. West
winds 2 to 7 mph.
$$
ORZ692-WAZ692-291115-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....54-63.
* Max humidity........56-71 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph shifting to the southeast
after midnight.
* Ventilation Index...Poor (51-139) decreasing to poor (25-50)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....83-91...except 76-82 ridges.
* Min humidity........22-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12000 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the west
in the afternoon.
* Ventilation Index...Poor (25-59) increasing to fair to good
(380-618) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Hazy in the evening.
* Min temperature.....55-65.
* Max humidity........44-59 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....East around 5 mph.
* Ventilation Index...Poor (42-130) decreasing to poor (25-51)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92...except 78-84 ridges.
* Min humidity........21-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southeast winds 1 to 5 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-49) increasing to fair to good
(293-511) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 57 to 66. Highs 83 to 92. Southeast
winds 1 to 6 mph.
.LABOR DAY...Partly cloudy. Lows 57 to 66. Highs 84 to 93.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly clear. Lows 59 to 67. Highs 85 to 95. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 60 to 68. Highs 84 to 95. West
winds 1 to 5 mph.
.THURSDAY...Mostly clear. Lows 60 to 67. Highs 83 to 93.
Southwest winds 1 to 5 mph.
$$
ORZ693-WAZ693-291115-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....52-61.
* Max humidity........65-80 percent...except 59-65 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming
southwest 2 to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northeast around 5 mph shifting to the south
after midnight.
* Ventilation Index...Poor (59-143) decreasing to poor (25-59)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....82-90...except 75-82 ridges.
* Min humidity........21-26 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (25-55) increasing to fair to good
(489-699) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-63.
* Max humidity........50-65 percent...except 45-52 percent ridges.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming south 2
to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph shifting to the southeast
after midnight.
* Ventilation Index...Poor (44-136) decreasing to poor (25-57)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-93...except 77-85 ridges.
* Min humidity........18-24 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....South winds 2 to 6 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......14000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-59) increasing to fair to good
(235-591) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 54 to 64. Highs 86 to 95. Southeast
winds 1 to 5 mph.
.LABOR DAY...Partly cloudy. Lows 55 to 66. Highs 87 to 96. South
winds 1 to 5 mph.
.TUESDAY...Mostly clear. Lows 57 to 66. Highs 88 to 96. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 57 to 67. Highs 87 to 96. North
winds 1 to 5 mph.
.THURSDAY...Partly cloudy. Lows 56 to 66. Highs 85 to 94. West
winds 1 to 5 mph.
$$
ORZ701-291115-
Eastern Columbia River Gorge of Oregon-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy in the evening.
* Min temperature.....58-63.
* Max humidity........60-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph. In the eastern
Columbia River Gorge, west winds 1 to 6 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (187-265) decreasing to poor
(25-68) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy in the afternoon.
* Max temperature.....90-95...except 85-91 ridges.
* Min humidity........25-34 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph. In the eastern
Columbia River Gorge, upslope less than 5 mph becoming
northwest 2 to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (25-52) increasing to poor to fair
(154-354) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....57-63.
* Max humidity........58-73 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph...except west 2
to 7 mph in the eastern Columbia River Gorge.
* Ridges/upr slopes....light winds less than 5 mph becoming west 1
to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor to fair (162-266) decreasing to poor
(26-98) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....85-90.
* Min humidity........26-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph...except
northwest 1 to 6 mph in the eastern Columbia River Gorge.
* Ridges/upr slopes....West winds 1 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West around 5 mph shifting to the east in the
afternoon.
* Ventilation Index...Poor (25-76) increasing to poor to fair
(120-210) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 56 to 61. Highs 83 to 89. West
winds 2 to 7 mph.
.LABOR DAY...Mostly clear. Lows 56 to 61. Highs 87 to 92. West
winds 2 to 7 mph.
.TUESDAY...Mostly clear. Lows 59 to 65. Highs 93 to 98. West
winds 1 to 5 mph.
.WEDNESDAY...Mostly clear. Lows 62 to 67. Highs 93 to 98. Terrain
driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 62 to 68. Highs 91 to 96. West
winds 1 to 6 mph.
$$
ORZ702-291115-
East Slopes of the Mt. Hood National Forest-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....55-62.
* Max humidity........50-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (102-212) decreasing to poor
(25-47) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....86-92...except 79-87 ridges.
* Min humidity........25-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-51) increasing to fair to good
(338-522) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....55-62.
* Max humidity........46-61 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor to fair (90-224) decreasing to poor
(25-54) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....84-89...except 76-84 ridges.
* Min humidity........27-38 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West around 5 mph shifting to the southeast
in the afternoon.
* Ventilation Index...Poor (25-36) increasing to poor to fair
(173-307) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 52 to 60. Highs 74 to 88. Northwest
winds 1 to 5 mph.
.LABOR DAY...Mostly clear. Lows 52 to 60. Highs 77 to 91. Terrain
driven winds less than 5 mph.
.TUESDAY...Mostly clear. Lows 56 to 64. Highs 83 to 96. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 59 to 67. Highs 84 to 96. Terrain
driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 60 to 67. Highs 81 to 94. Terrain
driven winds less than 5 mph.
$$
ORZ695-291115-
Eagle Cap Wilderness-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....54-61...except 48-56 ridges.
* Max humidity........57-72 percent.
* Humidity recovery...Moderate...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph shifting to the south
after midnight.
* Ventilation Index...Poor (34-136) decreasing to poor (25-54)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....78-88...except 66-76 ridges.
* Min humidity........24-37 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (25-71) increasing to fair to good
(309-587) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....55-62...except 50-57 ridges.
* Max humidity........44-57 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (27-91) decreasing to poor (25-59) after
midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....79-90...except 67-78 ridges.
* Min humidity........21-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming south 2 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....East around 5 mph shifting to the southwest
in the afternoon.
* Ventilation Index...Poor (25-54) increasing to fair to good
(359-601) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 54 to 62. Highs 74 to 89. Southeast
winds 1 to 6 mph.
.LABOR DAY...Partly cloudy. Lows 55 to 63. Highs 76 to 91.
Southeast winds 1 to 5 mph.
.TUESDAY...Partly cloudy. Lows 55 to 63. Highs 77 to 92. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 55 to 64. Highs 76 to 91.
Northwest winds 1 to 5 mph.
.THURSDAY...Partly cloudy. Lows 54 to 63. Highs 74 to 89. West
winds 1 to 5 mph.
$$
ORZ694-291115-
Grande Ronde Valley of Oregon-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....52-57.
* Max humidity........70-85 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph shifting to the southeast
after midnight.
* Ventilation Index...Poor (62-168) decreasing to poor (26-54)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....86-91.
* Min humidity........23-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Poor (32-54) increasing to fair (281-449) in
the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....52-57.
* Max humidity........58-73 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....East around 5 mph.
* Ventilation Index...Poor (27-93) decreasing to poor (29-57) after
midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-93.
* Min humidity........19-24 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 1 to
5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 3 to 6
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12500 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (26-48) increasing to fair to good
(465-595) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 54 to 59. Highs 90 to 95. Southeast
winds 2 to 7 mph.
.LABOR DAY...Partly cloudy. Lows 56 to 61. Highs 92 to 97.
Southeast winds 2 to 7 mph.
.TUESDAY...Mostly clear. Lows 57 to 62. Highs 93 to 98. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 57 to 62. Highs 92 to 97. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 57 to 62. Highs 90 to 95. West
winds 1 to 6 mph.
$$
ORZ699-291115-
Western Forested Blue Mountains-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....52-59.
* Max humidity........57-72 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 10 mph shifting to the southeast
after midnight.
* Ventilation Index...Poor (45-175) decreasing to poor (25-53)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....82-88...except 75-83 ridges.
* Min humidity........20-29 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12000 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Poor (25-58) increasing to fair to good
(314-600) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....53-60.
* Max humidity........46-59 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....East around 5 mph.
* Ventilation Index...Poor (46-194) decreasing to poor (25-50)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-89...except 76-84 ridges.
* Min humidity........19-26 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......14000 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (25-41) increasing to good to excellent
(575-835) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 55 to 61. Highs 80 to 90. Terrain
driven winds less than 5 mph.
.LABOR DAY...Partly cloudy. Lows 55 to 62. Highs 81 to 91.
Terrain driven winds less than 5 mph.
.TUESDAY...Partly cloudy. Lows 56 to 63. Highs 83 to 92. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 56 to 63. Highs 82 to 91. Terrain
driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 56 to 63. Highs 81 to 90. Terrain
driven winds less than 5 mph.
$$
ORZ696-291115-
John Day Valley-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....55-61.
* Max humidity........54-67 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northeast 5 to 10 mph.
* Ventilation Index...Poor to fair (101-241) decreasing to poor
(25-63) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....85-93...except 80-85 ridges.
* Min humidity........17-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......14000 ft agl.
* Transport winds.....East around 5 mph shifting to the southwest
in the afternoon.
* Ventilation Index...Poor (25-53) increasing to fair to good
(418-670) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....55-61.
* Max humidity........49-59 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northeast 5 to 10 mph.
* Ventilation Index...Poor to fair (113-237) decreasing to poor
(25-64) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-94...except 81-86 ridges.
* Min humidity........15-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......15000 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (25-51) increasing to good to excellent
(593-913) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 57 to 62. Highs 86 to 95. Terrain
driven winds less than 5 mph.
.LABOR DAY...Partly cloudy. Lows 57 to 62. Highs 86 to 95.
Northeast winds 1 to 5 mph.
.TUESDAY...Partly cloudy. Lows 59 to 64. Highs 88 to 97. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 59 to 65. Highs 88 to 96. Terrain
driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 60 to 65. Highs 86 to 95. West
winds 1 to 5 mph.
$$
ORZ700-291115-
Central Mountains of Oregon-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
Hazy.
* Min temperature.....48-58.
* Max humidity........60-75 percent...except 54-61 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Fair (210-418) decreasing to poor (25-44)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....85-91...except 78-83 ridges.
* Min humidity........14-21 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-35) increasing to good to excellent
(501-911) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....48-59.
* Max humidity........56-71 percent...except 50-58 percent ridges.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Poor to fair (180-362) decreasing to poor
(25-51) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....85-91...except 79-84 ridges.
* Min humidity........15-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 1
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 2 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-32) increasing to fair to excellent
(388-856) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 49 to 59. Highs 85 to 91. West
winds 1 to 6 mph.
.LABOR DAY...Partly cloudy. Lows 49 to 58. Highs 86 to 92. West
winds 2 to 7 mph.
.TUESDAY...Partly cloudy. Lows 52 to 61. Highs 88 to 95. North
winds 1 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 54 to 63. Highs 88 to 95.
Northeast winds 1 to 6 mph.
.THURSDAY...Partly cloudy. Lows 55 to 63. Highs 86 to 93.
Southwest winds 2 to 7 mph.
$$
ORZ703-291115-
Warm Springs Reservation-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy in the evening.
* Min temperature.....56-61.
* Max humidity........56-67 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (182-284) decreasing to poor
(25-38) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy. Patchy smoke in the
afternoon.
* Max temperature.....87-94...except 76-85 ridges.
* Min humidity........20-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-44) increasing to fair to good
(361-521) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....57-62.
* Max humidity........51-62 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (143-273) decreasing to poor
(25-50) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....85-93...except 74-83 ridges.
* Min humidity........22-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West around 5 mph shifting to the south in
the afternoon.
* Ventilation Index...Poor (25-30) increasing to fair (209-349) in
the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 55 to 60. Highs 81 to 91. Northwest
winds 2 to 7 mph.
.LABOR DAY...Mostly clear. Lows 54 to 59. Highs 84 to 94.
Northwest winds 2 to 7 mph.
.TUESDAY...Mostly clear. Lows 58 to 63. Highs 88 to 98. Northwest
winds 1 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 62 to 67. Highs 89 to 98. North
winds 2 to 7 mph.
.THURSDAY...Partly cloudy. Lows 62 to 67. Highs 86 to 97. West
winds 2 to 7 mph.
$$
ORZ704-291115-
Northern Deschutes National Forest-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....51-56.
* Max humidity........58-72 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (157-297) decreasing to poor
(25-41) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Areas of smoke in the morning.
Hazy. Patchy smoke in the afternoon.
* Max temperature.....85-92...except 73-83 ridges.
* Min humidity........22-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-67) increasing to fair to good
(444-650) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....50-57.
* Max humidity........55-68 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (120-252) decreasing to poor
(25-47) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy. Hazy in the morning.
* Max temperature.....84-90...except 71-81 ridges.
* Min humidity........25-30 percent...except 30-43 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-38) increasing to fair to good
(268-522) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 48 to 55. Highs 75 to 88. West
winds 2 to 7 mph.
.LABOR DAY...Mostly clear. Lows 49 to 54. Highs 78 to 91. West
winds 1 to 5 mph.
.TUESDAY...Mostly clear. Lows 52 to 58. Highs 82 to 95. West
winds 1 to 5 mph.
.WEDNESDAY...Mostly clear. Lows 56 to 62. Highs 83 to 96.
Northeast winds 1 to 6 mph.
.THURSDAY...Partly cloudy. Lows 56 to 62. Highs 80 to 93.
Northwest winds 2 to 7 mph.
$$
ORZ705-291115-
Southern Deschutes National Forest-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy and areas of smoke.
* Min temperature.....44-52.
* Max humidity........70-85 percent...except 57-72 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (161-319) decreasing to poor
(25-37) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy and areas of smoke.
* Max temperature.....82-87...except 73-80 ridges.
* Min humidity........15-25 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....South around 5 mph increasing to around 15
mph in the afternoon.
* Ventilation Index...Poor (25-61) increasing to excellent
(849-1050) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy. Hazy and areas of smoke.
* Min temperature.....45-53.
* Max humidity........66-81 percent...except 54-68 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (160-290) decreasing to poor
(25-46) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy. Hazy in the morning.
* Max temperature.....81-86...except 71-80 ridges.
* Min humidity........17-32 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-28) increasing to good to excellent
(584-810) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 44 to 52. Highs 77 to 87. Terrain
driven winds less than 5 mph.
.LABOR DAY...Mostly clear. Lows 44 to 52. Highs 79 to 88. Terrain
driven winds less than 5 mph.
.TUESDAY...Mostly clear. Lows 47 to 55. Highs 82 to 91. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Partly cloudy. Lows 49 to 57. Highs 83 to 91.
Terrain driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 50 to 58. Highs 81 to 89. Terrain
driven winds less than 5 mph.
$$
ORZ697-291115-
Central Blue Mountains-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy.
* Min temperature.....48-55.
* Max humidity........61-76 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (35-169) decreasing to poor (25-57)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....80-85...except 74-81 ridges.
* Min humidity........18-26 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Poor (25-52) increasing to fair to excellent
(418-770) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....49-56.
* Max humidity........50-63 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Poor (36-116) decreasing to poor (25-49)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-86...except 75-82 ridges.
* Min humidity........17-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 3 to
6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13500 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (25-48) increasing to excellent
(705-1021) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 52 to 59. Highs 79 to 87. Southeast
winds 1 to 5 mph.
.LABOR DAY...Partly cloudy. Lows 52 to 59. Highs 80 to 88.
Terrain driven winds less than 5 mph.
.TUESDAY...Partly cloudy. Lows 53 to 59. Highs 81 to 89. Terrain
driven winds less than 5 mph.
.WEDNESDAY...Mostly clear. Lows 54 to 60. Highs 81 to 88. Terrain
driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 53 to 60. Highs 80 to 87. Terrain
driven winds less than 5 mph.
$$
ORZ698-291115-
Southern Blue Mountains-
119 PM PDT Thu Aug 28 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Hazy.
* Min temperature.....48-53.
* Max humidity........64-79 percent...except 57-67 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph shifting to the east after
midnight.
* Ventilation Index...Poor to fair (89-271) decreasing to poor
(25-52) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Hazy.
* Max temperature.....80-85...except 75-80 ridges.
* Min humidity........14-19 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13500 ft agl.
* Transport winds.....East around 5 mph shifting to the southwest
in the afternoon.
* Ventilation Index...Poor (25-40) increasing to good to excellent
(508-792) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-55.
* Max humidity........52-67 percent...except 48-56 percent ridges.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (80-176) decreasing to poor (25-53)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-86...except 76-81 ridges.
* Min humidity........13-18 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 3 to
6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 3 to 6
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (25-43) increasing to good to excellent
(630-930) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 52 to 57. Highs 84 to 90. East
winds 1 to 6 mph.
.LABOR DAY...Partly cloudy. Lows 52 to 57. Highs 84 to 91. East
winds 1 to 6 mph.
.TUESDAY...Partly cloudy. Lows 53 to 59. Highs 86 to 91.
Northeast winds 1 to 5 mph.
.WEDNESDAY...Mostly clear. Lows 54 to 59. Highs 85 to 91. Terrain
driven winds less than 5 mph.
.THURSDAY...Partly cloudy. Lows 54 to 59. Highs 84 to 89. Terrain
driven winds less than 5 mph.
$$
.8-14 DAY OUTLOOK for Friday September 5 through Thursday September 11...
A greater chance of above normal temperatures and above normal
precipitation.
$$