Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
214
FNUS56 KPDT 221052
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
352 AM PDT Tue Sep 22 2026
.DISCUSSION...Breezy Cascade gap winds and a low chance (10-20%)
of isolated showers/thunderstorms over portions of the eastern
mountains today. Warm and drying trend through Thursday, with
cooler temperatures, breezy to locally gusty winds, and widespread
showers returning Friday.
***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. ***
WAZ695-222330-
East Washington South Central Cascade Mountains-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....60-69...except 52-61 ridges.
* Min humidity........45-60 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low (63-117) increasing to moderate (241-373)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....37-44.
* Max humidity........77-92 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 to 8 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (131-209) decreasing to low
(38-60) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly cloudy.
* Max temperature.....61-67...except 52-60 ridges.
* Min humidity........37-52 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 5 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....West winds 1 to 6 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (43-67) increasing to moderate (282-350)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 39 to 46. Highs 57 to 68. Terrain
driven winds less than 5 mph.
.FRIDAY...Cooler. Showers likely and a slight chance of
thunderstorms. Lows 39 to 47. Highs 43 to 57. West winds 5 to
11 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 33 to
39. Highs 45 to 57. West winds 4 to 10 mph.
.SUNDAY...Mostly cloudy. Lows 34 to 40. Highs 46 to 58. Terrain
driven winds less than 5 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
34 to 40. Highs 47 to 59. Terrain driven winds less than 5 mph.
$$
WAZ690-222330-
Kittitas Valley-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....69-77...except 62-70 ridges.
* Min humidity........33-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 7 to 13 mph.
* Ridges/upr slopes....Northwest winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....Northwest around 15 mph.
* Ventilation Index...Low (67-129) increasing to moderate (338-466)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....44-49.
* Max humidity........62-77 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 11 mph.
* Ridges/upr slopes....Northwest winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Low to moderate (151-207) decreasing to low
(37-61) after midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....67-73...except 58-67 ridges.
* Min humidity........33-43 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....West winds 2 to 7 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (40-72) increasing to moderate (201-307)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 46 to 51. Highs 66 to 73. Terrain
driven winds less than 5 mph.
.FRIDAY...Mostly cloudy with showers likely. Lows 48 to 53. Highs
58 to 65. West winds 6 to 12 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
39 to 45. Highs 56 to 63. Northwest winds 6 to 12 mph.
.SUNDAY...Mostly cloudy. Lows 39 to 44. Highs 56 to 64. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 40 to 45. Highs 57 to 64. Terrain
driven winds less than 5 mph.
$$
WAZ694-222330-
Yakama Alpine District-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....66-75...except 56-69 ridges.
* Min humidity........33-48 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 to 8 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (33-71) increasing to low to moderate
(196-352) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....38-45.
* Max humidity........68-83 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (93-153) decreasing to low (25-41) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....66-72...except 57-67 ridges.
* Min humidity........31-42 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.....West 5 to 10 mph.
* Ventilation Index...Low (27-45) increasing to moderate (273-337)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 41 to 48. Highs 61 to 73. Terrain
driven winds less than 5 mph.
.FRIDAY...Cooler. Showers likely and a slight chance of
thunderstorms. Lows 41 to 49. Highs 48 to 60. West winds 6 to
12 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
34 to 41. Highs 49 to 61. West winds 5 to 11 mph.
.SUNDAY...Mostly cloudy. Lows 35 to 42. Highs 50 to 62. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 35 to 42. Highs 51 to 63. Terrain
driven winds less than 5 mph.
$$
ORZ691-WAZ691-222330-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....71-79.
* Min humidity........30-38 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 6 to 12 mph.
* Ridges/upr slopes....West winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (41-115) increasing to moderate (265-453)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....46-51.
* Max humidity........67-82 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 4 to 10 mph.
* Ridges/upr slopes....Southwest winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (112-190) decreasing to low (26-46) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....70-76.
* Min humidity........26-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 1 to 6 mph.
* Ridges/upr slopes....West winds 1 to 6 mph in the morning
becoming 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 (29-69) increasing to low to moderate
(175-279) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 48 to 53. Highs 72 to 78. Terrain
driven winds less than 5 mph.
.FRIDAY...Mostly cloudy with showers likely. Lows 50 to 55. Highs
61 to 70. West winds 8 to 14 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 47. Highs 59 to 66. Southwest winds 8 to 14 mph.
.SUNDAY...Mostly cloudy. Lows 42 to 47. Highs 60 to 67. Southwest
winds up to 5 mph.
.MONDAY...Partly cloudy. Lows 42 to 47. Highs 62 to 68. Southwest
winds 1 to 6 mph.
$$
ORZ692-WAZ692-222330-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....67-76...except 62-68 ridges.
* Min humidity........33-43 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....light less than 5 mph becoming west 2 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (37-75) increasing to moderate (220-316)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....41-50...except 40-45 ridges.
* Max humidity........60-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (71-101) decreasing to low (28-42) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....66-74...except 61-67 ridges.
* Min humidity........29-38 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.......5500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-55) increasing to low to moderate
(184-296) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 44 to 51. Highs 71 to 80. Terrain
driven winds less than 5 mph.
.FRIDAY...Cooler. Mostly cloudy with showers likely. Lows 47 to
54. Highs 56 to 66. West winds 4 to 10 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 36 to
43. Highs 52 to 61. Southwest winds 6 to 12 mph.
.SUNDAY...Mostly cloudy. Lows 36 to 43. Highs 52 to 62. Terrain
driven winds less than 5 mph.
.MONDAY...A slight chance of showers. Mostly cloudy. Lows 36 to
43. Highs 53 to 63. Terrain driven winds less than 5 mph.
$$
ORZ693-WAZ693-222330-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....72-81...except 66-73 ridges.
* Min humidity........30-36 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 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.......7500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (27-37) increasing to moderate (275-365)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....42-49.
* Max humidity........61-76 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 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 (62-92) decreasing to low (25-27) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
* Max temperature.....70-78...except 65-72 ridges.
* Min humidity........25-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming north 1 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-33) increasing to low to moderate
(187-431) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 43 to 51. Highs 77 to 87. South
winds 4 to 10 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of showers. Lows
47 to 56. Highs 63 to 73. Southwest winds 6 to 12 mph.
.SATURDAY...A chance of showers. Partly cloudy. Lows 36 to 44.
Highs 55 to 65. West winds 4 to 10 mph.
.SUNDAY...Mostly cloudy. Lows 35 to 44. Highs 57 to 66. Terrain
driven winds less than 5 mph.
.MONDAY...A slight chance of showers. Partly cloudy. Lows 35 to
44. Highs 56 to 66. Terrain driven winds less than 5 mph.
$$
ORZ701-222330-
Eastern Columbia River Gorge of Oregon-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....70-75...except 65-73 ridges.
* Min humidity........37-52 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 6 to 12 mph...except west 8 to 14
mph in the eastern Columbia River Gorge. In the eastern
Columbia River Gorge, gusts to 30 mph.
* Ridges/upr slopes....West winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......4500 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low (51-145) increasing to moderate to high
(309-535) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....43-48.
* Max humidity........76-91 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph. In the eastern
Columbia River Gorge, gusts to 25 mph in the evening.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (123-235) decreasing to low
(27-45) after midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....71-76.
* Min humidity........31-44 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.......5000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (28-56) increasing to moderate (208-322)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 45 to 50. Highs 72 to 77.
Northwest winds up to 5 mph.
.FRIDAY...Cooler. Showers likely and a slight chance of
thunderstorms. Lows 47 to 52. Highs 59 to 65. West winds 7 to
13 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
39 to 45. Highs 60 to 65. West winds 5 to 11 mph.
.SUNDAY...Mostly cloudy. Lows 40 to 45. Highs 61 to 66. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 40 to 45. Highs 63 to 68. Terrain
driven winds less than 5 mph.
$$
ORZ702-222330-
East Slopes of the Mt. Hood National Forest-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....64-74...except 58-68 ridges.
* Min humidity........36-51 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......4000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (51-87) increasing to moderate (203-311)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....38-45.
* Max humidity........74-89 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 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 10 to 15 mph.
* Ventilation Index...Low (94-156) decreasing to low (31-45) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly cloudy.
* Max temperature.....67-73...except 61-69 ridges.
* Min humidity........30-41 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.......5000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (33-49) increasing to moderate (235-273)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 42 to 48. Highs 64 to 75. Terrain
driven winds less than 5 mph.
.FRIDAY...Cooler. Showers likely and a slight chance of
thunderstorms. Lows 40 to 49. Highs 47 to 60. West winds 4 to
9 mph.
.SATURDAY...A chance of showers. Mostly cloudy. Lows 34 to 40.
Highs 50 to 61. West winds 1 to 6 mph.
.SUNDAY...Mostly cloudy. Lows 35 to 41. Highs 51 to 63. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy with a slight chance of showers. Lows
35 to 41. Highs 52 to 65. Terrain driven winds less than 5 mph.
$$
ORZ695-222330-
Eagle Cap Wilderness-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....68-78...except 58-69 ridges.
* Min humidity........31-43 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (25-39) increasing to moderate (245-363)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....40-47.
* Max humidity........62-76 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (56-86) decreasing to low (25-29) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
* Max temperature.....67-77...except 57-68 ridges.
* Min humidity........29-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-56) increasing to moderate to high
(292-692) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 45 to 51. Highs 67 to 82.
Southeast winds 6 to 12 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of showers. Lows
46 to 54. Highs 55 to 70. Southwest winds 7 to 13 mph.
.SATURDAY...A chance of showers. Partly cloudy. Lows 31 to 40.
Highs 47 to 61. Northwest winds 2 to 7 mph.
.SUNDAY...Mostly cloudy. Lows 34 to 41. Highs 49 to 63. West
winds 1 to 5 mph.
.MONDAY...A slight chance of showers. Partly cloudy. Lows 32 to
40. Highs 47 to 61. West winds 1 to 5 mph.
$$
ORZ694-222330-
Grande Ronde Valley of Oregon-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....75-80.
* Min humidity........30-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (32-50) increasing to moderate (251-307)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....40-45.
* Max humidity........71-85 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 2 to 7 mph.
* Ridges/upr slopes....North winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (70-106) decreasing to low (25-39) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....74-79.
* Min humidity........27-32 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.......4500 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Low (25-30) increasing to low to moderate
(103-209) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 43 to 48. Highs 81 to 86.
Southeast winds 6 to 12 mph.
.FRIDAY...Not as warm. Mostly cloudy with a chance of showers.
Lows 47 to 52. Highs 68 to 73. West winds 5 to 11 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 34 to
40. Highs 60 to 65. West winds 4 to 9 mph.
.SUNDAY...Mostly cloudy. Lows 35 to 41. Highs 62 to 67. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy with a slight chance of showers. Lows
34 to 40. Highs 61 to 66. Terrain driven winds less than 5 mph.
$$
ORZ699-222330-
Western Forested Blue Mountains-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....69-76...except 64-71 ridges.
* Min humidity........30-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 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.......8500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (26-46) increasing to moderate (253-447)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....39-44.
* Max humidity........62-74 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 5 to 10 mph.
* Ventilation Index...Low (82-126) decreasing to low (25-28) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
* Max temperature.....68-75...except 63-70 ridges.
* Min humidity........26-33 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.......7500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-33) increasing to moderate to high
(220-582) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 43 to 48. Highs 72 to 81.
Southeast winds 1 to 6 mph.
.FRIDAY...Cooler. Mostly cloudy with showers likely. Lows 45 to
51. Highs 55 to 64. West winds 4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
32 to 37. Highs 51 to 60. West winds 3 to 8 mph.
.SUNDAY...Mostly cloudy. Lows 35 to 40. Highs 52 to 61. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy with a slight chance of showers. Lows
34 to 39. Highs 52 to 61. Terrain driven winds less than 5 mph.
$$
ORZ696-222330-
John Day Valley-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....70-78...except 65-70 ridges.
* Min humidity........26-32 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 6 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (30-40) increasing to moderate (244-368)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....41-46.
* Max humidity........62-72 percent.
* 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....Northwest 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.....Northwest 5 to 10 mph.
* Ventilation Index...Low (116-142) decreasing to low (25) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....69-78...except 64-70 ridges.
* Min humidity........24-29 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.......7500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-26) increasing to low to moderate
(145-365) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 44 to 49. Highs 76 to 86.
Southeast winds 1 to 6 mph.
.FRIDAY...Cooler. Mostly cloudy with showers likely. Lows 46 to
52. Highs 58 to 67. West winds 5 to 11 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
35 to 40. Highs 55 to 64. Southwest winds 4 to 10 mph.
.SUNDAY...Mostly cloudy. Lows 37 to 42. Highs 56 to 65. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 36 to 41. Highs 57 to 66. Southwest
winds up to 5 mph.
$$
ORZ700-222330-
Central Mountains of Oregon-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....70-76...except 64-70 ridges.
* Min humidity........22-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3
to 8 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (28-42) increasing to moderate (259-369)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....37-43.
* Max humidity........72-87 percent...except 63-73 percent ridges.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (121-193) decreasing to low (25-26) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....70-75...except 63-70 ridges.
* Min humidity........21-28 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.......6000 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(159-311) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 39 to 46. Highs 75 to 82.
Southwest winds 2 to 7 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of showers. Lows
40 to 48. Highs 56 to 62. West winds 6 to 12 mph.
.SATURDAY...Partly cloudy. Lows 29 to 38. Highs 55 to 61.
Southwest winds 4 to 10 mph.
.SUNDAY...Mostly cloudy. Lows 32 to 40. Highs 56 to 62. West
winds up to 5 mph.
.MONDAY...Partly cloudy. Lows 31 to 40. Highs 58 to 64. Southwest
winds 1 to 6 mph.
$$
ORZ703-222330-
Warm Springs Reservation-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....68-77...except 57-66 ridges.
* Min humidity........30-38 percent...except 38-53 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 10 mph.
* Ridges/upr slopes....West winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (40-84) increasing to moderate (277-403)
in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....40-45.
* Max humidity........76-89 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 10 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 15 mph decreasing to around 5 mph
after midnight.
* Ventilation Index...Low (116-176) decreasing to low (25-39) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....70-76...except 60-67 ridges.
* Min humidity........25-35 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.....West around 5 mph.
* Ventilation Index...Low (25-40) increasing to low to moderate
(142-276) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 44 to 49. Highs 70 to 79. Terrain
driven winds less than 5 mph.
.FRIDAY...Cooler. Showers likely. Lows 43 to 50. Highs 51 to 63.
West winds 6 to 12 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
36 to 41. Highs 54 to 62. West winds 4 to 9 mph.
.SUNDAY...Mostly cloudy. Lows 37 to 42. Highs 55 to 64. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 37 to 42. Highs 57 to 66. West
winds up to 5 mph.
$$
ORZ704-222330-
Northern Deschutes National Forest-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....69-74...except 57-67 ridges.
* Min humidity........30-36 percent...except 37-52 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (35-65) increasing to moderate (237-335)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....35-41.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (91-145) decreasing to low (25-27) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....69-75...except 59-67 ridges.
* Min humidity........25-36 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.....West 5 to 10 mph.
* Ventilation Index...Low (25-31) increasing to moderate (223-315)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly cloudy. Lows 39 to 45. Highs 66 to 78.
Southwest winds 1 to 6 mph.
.FRIDAY...Cooler. Showers likely and a slight chance of
thunderstorms. Lows 38 to 46. Highs 46 to 58. West winds 6 to
12 mph.
.SATURDAY...Mostly cloudy with a slight chance of showers. Lows
30 to 36. Highs 50 to 60. Southwest winds 1 to 6 mph.
.SUNDAY...A slight chance of showers. Mostly cloudy. Lows 32 to
38. Highs 50 to 61. Terrain driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 32 to 37. Highs 52 to 64. Terrain
driven winds less than 5 mph.
$$
ORZ705-222330-
Southern Deschutes National Forest-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....68-73...except 58-67 ridges.
* Min humidity........25-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 1
to 6 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (27-41) increasing to moderate (239-371)
in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....32-38.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds up to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds up 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...Low (73-181) decreasing to low (25) after
midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Max temperature.....68-73...except 59-67 ridges.
* Min humidity........23-31 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.......7000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-28) increasing to moderate (294-394)
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 35 to 43. Highs 67 to 77.
Southwest winds 1 to 6 mph.
.FRIDAY...Much cooler. Mostly cloudy with showers likely. Lows
36 to 41. Highs 47 to 56. West winds 4 to 9 mph.
.SATURDAY...Mostly cloudy with a slight chance of showers. Lows
26 to 32. Highs 52 to 59. South winds 1 to 6 mph.
.SUNDAY...Mostly cloudy. Lows 29 to 36. Highs 51 to 59. Terrain
driven winds less than 5 mph.
.MONDAY...Partly cloudy. Lows 28 to 34. Highs 53 to 61. Terrain
driven winds less than 5 mph.
$$
ORZ697-222330-
Central Blue Mountains-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....71-76...except 66-72 ridges.
* Min humidity........27-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (31-43) increasing to moderate to high
(411-605) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....38-45.
* Max humidity........61-70 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest 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.....Northwest 5 to 10 mph.
* Ventilation Index...Low (119-161) decreasing to low (25-34) after
midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
* Max temperature.....71-76...except 66-72 ridges.
* Min humidity........25-30 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 southwest 1
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (25-32) increasing to high to very high
(531-841) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 42 to 49. Highs 74 to 80.
Southeast winds 2 to 7 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of showers. Lows
44 to 51. Highs 58 to 64. Southwest winds 5 to 11 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
30 to 36. Highs 53 to 59. West winds 4 to 9 mph.
.SUNDAY...Mostly cloudy. Lows 33 to 38. Highs 55 to 61. West
winds up to 5 mph.
.MONDAY...Partly cloudy. Lows 31 to 37. Highs 53 to 60. West
winds up to 5 mph.
$$
ORZ698-222330-
Southern Blue Mountains-
352 AM PDT Tue Sep 22 2026
.TODAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....72-79.
* Min humidity........21-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (31-43) increasing to high (532-658) in
the afternoon.
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....39-45.
* Max humidity........58-72 percent.
* 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.......500 ft agl.
* Transport winds.....North around 10 mph.
* Ventilation Index...Low to moderate (178-240) decreasing to low
(30-42) after midnight.
.WEDNESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....72-78.
* 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.......9000 ft agl.
* Transport winds.....North around 5 mph shifting to the southwest
in the afternoon.
* Ventilation Index...Low (25-26) increasing to moderate to high
(404-692) in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 41 to 48. Highs 78 to 84.
Northeast winds 2 to 7 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of showers. Lows
43 to 51. Highs 60 to 69. West winds 7 to 13 mph.
.SATURDAY...Partly cloudy. Lows 30 to 36. Highs 56 to 62.
Northwest winds 6 to 12 mph.
.SUNDAY...Mostly cloudy. Lows 33 to 39. Highs 58 to 65. West
winds 1 to 6 mph.
.MONDAY...Partly cloudy. Lows 32 to 37. Highs 57 to 63. West
winds 1 to 6 mph.
$$
.8-14 DAY OUTLOOK for Tuesday September 29 through Monday October 5...
A greater chance of above normal temperatures and above normal
precipitation.
$$