Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
436
FNUS56 KPDT 071930
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
1230 PM PDT Mon Sep 7 2026
.DISCUSSION...
A few lingering showers are possible across far eastern Oregon
this afternoon and evening. Breezy winds are expected mainly
across the Columbia Basin, Gorge, Cascade Gaps and Kittitas Valley
through the evening. Otherwise, it will be dry and warm through
Thursday. Additional breezy conditions will develop on Thursday.
RH values will be lower and fire weather conditions may become
elevated. Upper level low pressure will move across the area
over the weekend, bringing the next chances of rain.
***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. ***
WAZ695-081115-
East Washington South Central Cascade Mountains-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....38-46.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 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 around 10 mph.
* Ventilation Index...Low to moderate (132-228) decreasing to low
(27-47) after midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy dense fog in the
morning.
* Max temperature.....68-76...except 60-67 ridges.
* Min humidity........34-46 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 1
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the south
in the afternoon.
* Ventilation Index...Low (25-41) increasing to low to moderate
(111-219) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....45-50.
* Max humidity........64-79 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.....West around 5 mph.
* Ventilation Index...Low (31-61) decreasing to low (25-26) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....74-81...except 66-73 ridges.
* Min humidity........28-37 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.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(185-241) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 47 to 55. Highs 58 to 72. West
winds 4 to 10 mph.
.FRIDAY...Partly cloudy. Lows 37 to 44. Highs 53 to 66. West
winds 4 to 9 mph.
.SATURDAY...A chance of showers. Mostly cloudy. Lows 37 to 44.
Highs 50 to 62. West winds 1 to 6 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
38 to 45. Highs 54 to 67. Northwest winds up to 5 mph.
.MONDAY...Mostly clear. Lows 39 to 46. Highs 56 to 69. East winds
up to 5 mph.
$$
WAZ690-081115-
Kittitas Valley-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....47-52.
* Max humidity........71-86 percent.
* Humidity recovery...Good.
* 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 (207-269) decreasing to low (34-50)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....72-78...except 62-71 ridges.
* Min humidity........34-40 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.......5500 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the south
in the afternoon.
* Ventilation Index...Low (27-47) increasing to low to moderate
(170-228) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....49-54.
* Max humidity........60-75 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.......500 ft agl.
* Transport winds.....South around 5 mph shifting to the northwest
after midnight.
* Ventilation Index...Low (43-93) decreasing to low (25-26) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....77-83...except 68-77 ridges.
* Min humidity........28-34 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.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Low (25) increasing to low to moderate
(176-258) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 54 to 60. Highs 73 to 81. West
winds 6 to 12 mph.
.FRIDAY...Mostly clear. Lows 45 to 50. Highs 66 to 74. Northwest
winds 6 to 12 mph.
.SATURDAY...A chance of showers. Partly cloudy. Lows 45 to 50.
Highs 61 to 69. Northwest winds 3 to 8 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
45 to 50. Highs 65 to 72. North winds 1 to 6 mph.
.MONDAY...Mostly clear. Lows 46 to 51. Highs 67 to 74. Terrain
driven winds less than 5 mph.
$$
WAZ694-081115-
Yakama Alpine District-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....40-48.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 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.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (104-148) decreasing to low (25-28) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-77...except 61-72 ridges.
* Min humidity........34-42 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.......5000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25-29) increasing to low to moderate
(142-200) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....45-52.
* 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.....Northeast around 5 mph.
* Ventilation Index...Low (35-57) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-83...except 68-78 ridges.
* Min humidity........28-36 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.......4500 ft agl.
* Transport winds.....North around 5 mph shifting to the southwest
in the afternoon.
* Ventilation Index...Low (25) increasing to low to moderate
(143-237) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 48 to 56. Highs 64 to 78. West
winds 4 to 10 mph.
.FRIDAY...Mostly clear. Lows 38 to 46. Highs 57 to 71. West winds
4 to 9 mph.
.SATURDAY...A chance of showers. Partly cloudy. Lows 39 to 46.
Highs 53 to 66. West winds 2 to 7 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 39 to
46. Highs 56 to 69. West winds 1 to 5 mph.
.MONDAY...Mostly clear. Lows 40 to 47. Highs 58 to 71. Northeast
winds 1 to 5 mph.
$$
ORZ691-WAZ691-081115-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....46-51.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low to moderate (139-211) decreasing to low
(25-33) after midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....73-80...except 69-75 ridges.
* Min humidity........31-39 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.......5500 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Low (25-37) increasing to low (111-195) in
the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....49-54.
* Max humidity........66-81 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.......500 ft agl.
* Transport winds.....East around 5 mph.
* Ventilation Index...Low (51-99) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-85...except 75-81 ridges.
* Min humidity........27-34 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.......5000 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (25-26) increasing to low (88-176) in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 54 to 59. Highs 77 to 85.
Southwest winds 6 to 12 mph.
.FRIDAY...Mostly clear. Lows 48 to 53. Highs 69 to 77. West winds
7 to 13 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
46 to 51. Highs 65 to 72. West winds 4 to 9 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 45 to
50. Highs 66 to 74. West winds 2 to 7 mph.
.MONDAY...Mostly clear. Lows 45 to 50. Highs 69 to 76. Northeast
winds 1 to 6 mph.
$$
ORZ692-WAZ692-081115-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....40-47.
* Max humidity........73-88 percent.
* Humidity recovery...Excellent.
* 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.....Southwest around 5 mph.
* Ventilation Index...Low (92-138) decreasing to low (25-31) after
midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....67-75...except 61-66 ridges.
* Min humidity........32-45 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.......6000 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Low (29-53) increasing to low to moderate
(126-222) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....43-50.
* Max humidity........63-77 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.....East 5 to 10 mph.
* Ventilation Index...Low (55-87) decreasing to low (26-38) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-82...except 68-75 ridges.
* Min humidity........26-35 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.......6500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-28) increasing to moderate (283-435)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 49 to 57. Highs 68 to 80.
Southwest winds 4 to 10 mph.
.FRIDAY...Mostly clear. Lows 42 to 50. Highs 60 to 71. Southwest
winds 4 to 10 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
40 to 48. Highs 55 to 65. West winds up to 5 mph.
.SUNDAY...A chance of showers. Mostly cloudy. Lows 39 to 46.
Highs 55 to 66. West winds up to 5 mph.
.MONDAY...Mostly clear. Lows 38 to 46. Highs 60 to 70. Terrain
driven winds less than 5 mph.
$$
ORZ693-WAZ693-081115-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. A slight chance of showers.
* Min temperature.....37-46.
* Max humidity........79-94 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds up to 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (69-123) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....66-75...except 61-68 ridges.
* Min humidity........30-37 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.......6000 ft agl.
* Transport winds.....South around 5 mph shifting to the northwest
in the afternoon.
* Ventilation Index...Low (27-39) increasing to low to moderate
(134-252) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....39-48.
* Max humidity........68-83 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 becoming south 1
to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (59-87) decreasing to low (25) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-84...except 68-76 ridges.
* Min humidity........21-27 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.......7000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-26) increasing to moderate (326-442)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 45 to 56. Highs 72 to 82.
Southwest winds 4 to 10 mph.
.FRIDAY...Mostly clear. Lows 41 to 50. Highs 64 to 74. West winds
4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
39 to 48. Highs 58 to 67. West winds 1 to 6 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Lows 37 to 46.
Highs 56 to 65. Northwest winds 1 to 6 mph.
.MONDAY...A slight chance of showers. Mostly clear. Lows 35 to
46. Highs 61 to 70. East winds up to 5 mph.
$$
ORZ701-081115-
Eastern Columbia River Gorge of Oregon-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....45-50.
* Max humidity........75-88 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 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.....West 5 to 10 mph.
* Ventilation Index...Low (137-181) decreasing to low (25-28) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....74-79.
* Min humidity........34-44 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.......4500 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25-28) increasing to low (156-192) in
the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....48-53.
* Max humidity........64-78 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.......500 ft agl.
* Transport winds.....East around 5 mph shifting to the northwest
after midnight.
* Ventilation Index...Low (48-80) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-85.
* Min humidity........33-41 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.......4000 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Low (25) increasing to low (38-148) in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 52 to 57. Highs 75 to 80. West
winds 6 to 12 mph.
.FRIDAY...Mostly clear. Lows 45 to 50. Highs 68 to 73. West winds
5 to 11 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
44 to 50. Highs 64 to 69. West winds 4 to 9 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 44 to
50. Highs 67 to 72. Northwest winds 1 to 6 mph.
.MONDAY...Mostly clear. Lows 45 to 50. Highs 69 to 74. Terrain
driven winds less than 5 mph.
$$
ORZ702-081115-
East Slopes of the Mt. Hood National Forest-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....40-46.
* Max humidity........70-85 percent.
* Humidity recovery...Good...except Excellent 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.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (92-140) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....69-76...except 64-72 ridges.
* Min humidity........33-43 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.......4000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (28-38) increasing to low to moderate
(168-204) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....47-52.
* Max humidity........56-71 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.......500 ft agl.
* Transport winds.....East 5 to 10 mph.
* Ventilation Index...Low (66-84) decreasing to low (25-33) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-83...except 72-78 ridges.
* Min humidity........31-38 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.......4500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25-26) increasing to low to moderate
(110-208) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 49 to 56. Highs 64 to 78. West
winds 1 to 6 mph.
.FRIDAY...Partly cloudy. Lows 39 to 46. Highs 57 to 70. West
winds 2 to 7 mph.
.SATURDAY...A chance of showers. Partly cloudy. Lows 38 to 45.
Highs 52 to 65. Terrain driven winds less than 5 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
39 to 45. Highs 55 to 68. Terrain driven winds less than 5 mph.
.MONDAY...Mostly clear. Lows 41 to 47. Highs 58 to 69. Terrain
driven winds less than 5 mph.
$$
ORZ695-081115-
Eagle Cap Wilderness-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. A slight chance of showers in
the evening.
* Min temperature.....39-44...except 33-39 ridges.
* Max humidity........79-94 percent.
* Humidity recovery...Excellent.
* 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....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 5 mph.
* Ventilation Index...Low (35-85) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....63-72...except 53-63 ridges.
* Min humidity........32-45 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.......6000 ft agl.
* Transport winds.....West around 5 mph.
* Ventilation Index...Low (25-45) increasing to low to moderate
(195-263) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....43-48...except 38-44 ridges.
* Max humidity........63-78 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 becoming
southwest 1 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...Low (25-52) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....71-80...except 60-69 ridges.
* Min humidity........26-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-26) increasing to moderate (265-407)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 45 to 53. Highs 63 to 77.
Southwest winds 4 to 9 mph.
.FRIDAY...Partly cloudy. Lows 38 to 47. Highs 55 to 69. West
winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 37 to
44. Highs 50 to 63. Northwest winds 2 to 7 mph.
.SUNDAY...Mostly cloudy with a chance of rain and snow showers.
Lows 34 to 43. Highs 47 to 62. Northwest winds 2 to 7 mph.
.MONDAY...A slight chance of showers. Mostly clear. Lows 34 to
42. Highs 51 to 65. West winds 1 to 6 mph.
$$
ORZ694-081115-
Grande Ronde Valley of Oregon-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....39-44.
* Max humidity........82-96 percent.
* Humidity recovery...Excellent.
* 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....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Low (46-78) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....70-76.
* Min humidity........31-36 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.......5500 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Low (25) increasing to low (120-192) in the
afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Clear.
* Min temperature.....41-46.
* Max humidity........71-83 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...Low (27-53) decreasing to low (25-27) after
midnight.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....78-83.
* Min humidity........25-30 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.......5500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25) increasing to moderate (249-311) in
the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 47 to 52. Highs 79 to 84. South
winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 44 to 49. Highs 70 to 75. West winds
4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 46. Highs 63 to 68. Northwest winds 2 to 7 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Lows 39 to 44.
Highs 62 to 67. Northwest winds 3 to 8 mph.
.MONDAY...Mostly clear. Lows 37 to 42. Highs 65 to 71. North
winds 1 to 6 mph.
$$
ORZ699-081115-
Western Forested Blue Mountains-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....37-42.
* Max humidity........71-86 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
northeast after midnight.
* Ventilation Index...Low (65-125) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....68-73...except 62-68 ridges.
* Min humidity........26-37 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.......6500 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Low (26-42) increasing to low to moderate
(165-299) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....42-47.
* Max humidity........61-75 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.....East around 5 mph.
* Ventilation Index...Low (47-91) decreasing to low (25-30) after
midnight.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....77-83...except 71-77 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.......7000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25) increasing to moderate (288-484) in
the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 47 to 54. Highs 70 to 78.
Southwest winds 1 to 6 mph.
.FRIDAY...Mostly clear. Lows 41 to 46. Highs 61 to 70. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
38 to 43. Highs 54 to 63. West winds 1 to 6 mph.
.SUNDAY...A chance of showers. Partly cloudy. Lows 36 to 42.
Highs 54 to 62. Northwest winds 1 to 6 mph.
.MONDAY...Mostly clear. Lows 36 to 42. Highs 58 to 67. Terrain
driven winds less than 5 mph.
$$
ORZ696-081115-
John Day Valley-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....39-45.
* Max humidity........68-79 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.
* Ventilation Index...Low (104-152) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-77...except 65-70 ridges.
* Min humidity........24-31 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.......6500 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25-33) increasing to low to moderate
(147-243) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....43-48.
* Max humidity........59-67 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming
southeast up to 5 mph after midnight.
* Ridges/upr slopes....light winds less than 5 mph becoming
southeast 1 to 6 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....East around 5 mph.
* Ventilation Index...Low (55-99) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....79-87...except 75-80 ridges.
* Min humidity........18-25 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....Southeast winds 2 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(178-356) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 50 to 55. Highs 74 to 83.
Southwest winds 2 to 7 mph.
.FRIDAY...Mostly clear. Lows 45 to 50. Highs 66 to 75. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 40 to
46. Highs 59 to 68. Northwest winds 2 to 7 mph.
.SUNDAY...A chance of showers. Partly cloudy. Lows 39 to 45.
Highs 59 to 68. Northwest winds 2 to 7 mph.
.MONDAY...Mostly clear. Lows 38 to 45. Highs 63 to 72. East winds
up to 5 mph.
$$
ORZ700-081115-
Central Mountains of Oregon-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....35-43.
* Max humidity........72-87 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 5 to 10 mph.
* Ventilation Index...Low (104-176) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....71-76...except 64-69 ridges.
* Min humidity........23-33 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.......6000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25-35) increasing to low to moderate
(194-314) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....40-48.
* Max humidity........60-75 percent...except 55-63 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.....East 5 to 10 mph.
* Ventilation Index...Low (75-141) decreasing to low (25-29) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-85...except 73-79 ridges.
* Min humidity........17-27 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.......7000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25-29) increasing to low to moderate
(142-320) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 45 to 53. Highs 75 to 81.
Southwest winds 3 to 8 mph.
.FRIDAY...Mostly clear. Lows 41 to 47. Highs 67 to 73. West winds
4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
36 to 43. Highs 59 to 65. West winds 3 to 8 mph.
.SUNDAY...A slight chance of showers. Mostly clear. Lows 34 to
42. Highs 59 to 66. Northwest winds 3 to 8 mph.
.MONDAY...Mostly clear. Lows 34 to 42. Highs 63 to 69. East winds
1 to 6 mph.
$$
ORZ703-081115-
Warm Springs Reservation-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....41-46.
* Max humidity........76-90 percent.
* Humidity recovery...Excellent.
* 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 (111-161) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-77...except 62-68 ridges.
* Min humidity........34-41 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.......4500 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25-35) increasing to low to moderate
(160-214) in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....47-52.
* Max humidity........64-73 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.......500 ft agl.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Low (90-114) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....79-85...except 71-78 ridges.
* Min humidity........28-35 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.......5500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25) increasing to low (123-191) in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 51 to 56. Highs 70 to 83. West
winds 3 to 8 mph.
.FRIDAY...Partly cloudy. Lows 42 to 48. Highs 63 to 74. West
winds 5 to 11 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
40 to 46. Highs 56 to 68. West winds 3 to 8 mph.
.SUNDAY...Partly cloudy. Lows 41 to 46. Highs 59 to 69. Southwest
winds 2 to 7 mph.
.MONDAY...Mostly clear. Lows 42 to 47. Highs 61 to 71. Northeast
winds 1 to 6 mph.
$$
ORZ704-081115-
Northern Deschutes National Forest-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....37-43.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 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 around 5 mph shifting to the
southeast after midnight.
* Ventilation Index...Low (72-146) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....71-76...except 62-69 ridges.
* Min humidity........31-43 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.......5000 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Low (26-42) increasing to moderate (212-264)
in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....42-48.
* Max humidity........66-75 percent...except 55-70 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.....Northeast around 10 mph shifting to the
northwest after midnight.
* Ventilation Index...Low (93-113) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-87...except 71-78 ridges.
* Min humidity........24-33 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.......6000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-26) increasing to low to moderate
(124-262) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 45 to 52. Highs 67 to 79. West
winds 3 to 8 mph.
.FRIDAY...Partly cloudy. Lows 40 to 46. Highs 60 to 71. West
winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 36 to
42. Highs 52 to 63. West winds 2 to 7 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 35 to
42. Highs 54 to 65. East winds 1 to 6 mph.
.MONDAY...Mostly clear. Lows 36 to 42. Highs 57 to 67. East winds
1 to 6 mph.
$$
ORZ705-081115-
Southern Deschutes National Forest-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....31-39.
* Max humidity........81-96 percent.
* Humidity recovery...Excellent...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.......500 ft agl.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Low (103-179) decreasing to low (25-27) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....71-76...except 62-70 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.......6000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (27-45) increasing to moderate (261-323)
in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....38-45...except 43-49 ridges.
* Max humidity........63-78 percent...except 52-66 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 east 1
to 6 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....East 5 to 10 mph.
* Ventilation Index...Low (95-151) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-85...except 71-79 ridges.
* Min humidity........18-25 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....South winds 1 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25-29) increasing to moderate (264-358)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 40 to 49. Highs 70 to 79. West
winds 1 to 6 mph.
.FRIDAY...Partly cloudy. Lows 37 to 43. Highs 62 to 71. West
winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
33 to 38. Highs 53 to 62. West winds 1 to 6 mph.
.SUNDAY...Mostly clear. Lows 30 to 37. Highs 55 to 62. South
winds 1 to 6 mph.
.MONDAY...Mostly clear. Lows 31 to 38. Highs 59 to 66. East winds
up to 5 mph.
$$
ORZ697-081115-
Central Blue Mountains-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....36-41.
* Max humidity........72-80 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.....North around 5 mph.
* Ventilation Index...Low (66-134) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....67-72...except 62-68 ridges.
* Min humidity........25-32 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.......6500 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Low (25-37) increasing to moderate (263-325)
in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....40-45.
* Max humidity........61-68 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...Low (48-92) decreasing to low (25-30) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-81...except 70-78 ridges.
* Min humidity........19-24 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.......7000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Low (25) increasing to moderate (364-470) in
the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 45 to 51. Highs 71 to 77.
Southwest winds 2 to 7 mph.
.FRIDAY...Mostly clear. Lows 41 to 46. Highs 63 to 69. West winds
1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
38 to 43. Highs 56 to 62. West winds 1 to 6 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 35 to
40. Highs 54 to 60. Northwest winds 2 to 7 mph.
.MONDAY...Mostly clear. Lows 34 to 40. Highs 57 to 64. Southeast
winds 1 to 6 mph.
$$
ORZ698-081115-
Southern Blue Mountains-
1230 PM PDT Mon Sep 7 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....37-42.
* Max humidity........68-76 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.......500 ft agl.
* Transport winds.....West around 5 mph shifting to the northeast
after midnight.
* Ventilation Index...Low (68-130) decreasing to low (25-30) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....68-73...except 63-68 ridges.
* Min humidity........23-28 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.......6500 ft agl.
* Transport winds.....East around 5 mph shifting to the south in
the afternoon.
* Ventilation Index...Low (26-38) increasing to moderate (241-305)
in the afternoon.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....41-46.
* Max humidity........58-66 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.....East 5 to 10 mph.
* Ventilation Index...Low (89-119) decreasing to low (25-35) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-81...except 71-76 ridges.
* Min humidity........18-23 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.......6500 ft agl.
* Transport winds.....East around 5 mph shifting to the south in
the afternoon.
* Ventilation Index...Low (25-28) increasing to low to moderate
(199-361) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 45 to 52. Highs 75 to 80. West
winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 43 to 48. Highs 67 to 72. West winds
3 to 8 mph.
.SATURDAY...Mostly clear with a slight chance of showers. Lows
39 to 45. Highs 59 to 65. West winds 4 to 9 mph.
.SUNDAY...Mostly clear. Lows 35 to 41. Highs 58 to 63. Northwest
winds 4 to 9 mph.
.MONDAY...Mostly clear. Lows 34 to 41. Highs 60 to 65. East winds
1 to 6 mph.
$$
.8-14 DAY OUTLOOK for Tuesday September 15 through Monday September 21...
A greater chance of above normal temperatures and near to below
normal precipitation.
$$