Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
693
FNUS56 KPDT 111928
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
1228 PM PDT Tue Aug 11 2026
.DISCUSSION...
Limited Fire Weather risk is expected over the next couple of
day as relative humidity and windy conditions are not lining up
for any near critical fire weather setups. Breezy conditions will
continue into the afternoons across the Cascade Gaps/Columbia
Gorge through Wednesday Afternoon, followed by increasing risk for
thunderstorms (15-35% coverage) in the mountain zones from about
Wednesday Night peaking on Saturday.
***Thunderstorms imply strong gusty winds ***
***Winds are 20 foot 10 minute averages ***
***CWR: Chance of wetting rain 0.10 or greater ***
***Ventilation Index is derived from transport wind
multiplied by the mixing height in 100`s of ft.
Categories are a generalized indicator and users
are encourage to develop criteria that are
suitable and representative of dispersion
conditions in their local area of interest.
Categories: low (< 200), moderate (200-500),
high (500-700), and very high (> 700).
-Note: Max transport winds may not occur
at the same time as max mixing height. ***
WAZ695-121130-
East Washington South Central Cascade Mountains-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
* Min temperature.....47-54.
* Max humidity........70-85 percent.
* Humidity recovery...Good.
* 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 around 15 mph.
* Ventilation Index...Low to moderate (172-318) decreasing to low
(41-71) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
Patchy smoke.
* Max temperature.....70-79...except 60-70 ridges.
* Min humidity........43-58 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph.
* Ridges/upr slopes....Northwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......7500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low (69-131) increasing to moderate (226-386)
in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke in the evening,
then areas of smoke after midnight. A slight chance of showers
and thunderstorms in the evening, then a chance of showers after
midnight.
* Min temperature.....47-53.
* Max humidity........78-93 percent.
* Humidity recovery...Excellent.
* 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....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Low to moderate (149-259) decreasing to low
(29-49) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
chance of showers and a slight chance of thunderstorms in the
afternoon.
* Max temperature.....71-80...except 62-71 ridges.
* Min humidity........38-53 percent...except 49-64 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......8000 ft agl.
* Transport winds.....North around 5 mph.
* Ventilation Index...Low (25-49) increasing to low to moderate
(140-300) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 49 to 55. Highs 66 to 80. Northwest
winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
48 to 54. Highs 69 to 83. West winds up to 5 mph.
.SUNDAY...Partly cloudy. Lows 50 to 56. Highs 70 to 85. West
winds up to 5 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
52 to 58. Highs 68 to 82. West winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
50 to 56. Highs 63 to 77. West winds 2 to 7 mph.
$$
WAZ690-121130-
Kittitas Valley-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....55-61.
* Max humidity........56-71 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 9 to 15 mph.
* Ridges/upr slopes....Northwest winds 9 to 15 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 15 to 20 mph.
* Ventilation Index...Moderate (292-434) decreasing to low (54-80)
after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke in the morning,
then areas of smoke in the afternoon.
* Max temperature.....79-87...except 70-80 ridges.
* Min humidity........30-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 11 mph.
* Ridges/upr slopes....Northwest winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low (101-161) increasing to moderate to high
(382-566) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Areas of smoke in the evening.
Smoky after midnight. A slight chance of thunderstorms in the
evening. A slight chance of showers.
* Min temperature.....54-60.
* Max humidity........68-83 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 6 to 12 mph.
* Ridges/upr slopes....Northwest winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Moderate (280-384) decreasing to low (44-58)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny. A
slight chance of showers in the afternoon.
* Max temperature.....78-85...except 68-78 ridges.
* Min humidity........32-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......9000 ft agl.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Low (52-72) increasing to moderate (231-377)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 56 to 62. Highs 80 to 87. North
winds 1 to 6 mph.
.SATURDAY...Partly cloudy. Lows 55 to 61. Highs 82 to 89.
Northwest winds 1 to 6 mph.
.SUNDAY...Partly cloudy. Lows 57 to 62. Highs 84 to 91. Northwest
winds 2 to 7 mph.
.MONDAY...A slight chance of showers. Mostly cloudy. Lows 58 to
64. Highs 82 to 89. Northwest winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
56 to 62. Highs 77 to 84. Northwest winds 3 to 8 mph.
$$
WAZ694-121130-
Yakama Alpine District-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....46-55.
* Max humidity........76-91 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.....Northwest around 10 mph.
* Ventilation Index...Low to moderate (162-266) decreasing to low
(25-45) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-84...except 65-78 ridges.
* Min humidity........34-49 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.......8000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (38-80) increasing to moderate (217-377)
in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....45-54.
* Max humidity........76-91 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (150-228) decreasing to low
(25-34) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy. A chance of showers and a
slight chance of thunderstorms in the afternoon.
* Max temperature.....76-83...except 64-77 ridges.
* Min humidity........36-51 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....20 percent (slight chance).
* Mixing height.......8000 ft agl.
* Transport winds.....Northeast around 5 mph.
* Ventilation Index...Low (25-41) increasing to low to moderate
(173-311) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 47 to 56. Highs 71 to 85. Terrain
driven winds less than 5 mph.
.SATURDAY...Partly cloudy. Lows 47 to 56. Highs 73 to 87. West
winds 1 to 5 mph.
.SUNDAY...Partly cloudy. Lows 49 to 57. Highs 75 to 88. West
winds 1 to 6 mph.
.MONDAY...Partly cloudy with a slight chance of showers. Lows
50 to 59. Highs 72 to 86. West winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
48 to 57. Highs 67 to 81. West winds 2 to 7 mph.
$$
ORZ691-WAZ691-121130-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....55-60.
* Max humidity........64-79 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 11 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (199-345) decreasing to low
(30-58) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....80-89...except 77-84 ridges.
* Min humidity........29-36 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 11 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (61-147) increasing to moderate to high
(307-553) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
Smoky after midnight.
* Min temperature.....52-59.
* Max humidity........72-87 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 11 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Moderate (200-342) decreasing to low (28-50)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-87...except 76-83 ridges.
* Min humidity........28-36 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph.
* Ridges/upr slopes....West winds 2 to 7 mph shifting to the north
1 to 6 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 (37-85) increasing to moderate (217-349)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 55 to 60. Highs 83 to 90. Northwest
winds 2 to 7 mph.
.SATURDAY...Partly cloudy. Lows 55 to 60. Highs 85 to 91. West
winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 57 to 62. Highs 86 to 93. West
winds 2 to 7 mph.
.MONDAY...Mostly cloudy. Lows 58 to 63. Highs 84 to 91. West
winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
57 to 62. Highs 79 to 86. West winds 3 to 8 mph.
$$
ORZ692-WAZ692-121130-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....49-58.
* Max humidity........65-80 percent.
* Humidity recovery...Good.
* 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.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low to moderate (144-204) decreasing to low
(31-43) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....76-84...except 70-76 ridges.
* Min humidity........30-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* 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.......8000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (50-96) increasing to moderate (283-407)
in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....47-56.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 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....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 around 10 mph.
* Ventilation Index...Low to moderate (143-203) decreasing to low
(30-40) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....74-83...except 68-73 ridges.
* Min humidity........34-47 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 becoming northwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (35-69) increasing to moderate (264-400)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 49 to 57. Highs 74 to 85. Northwest
winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 50 to 59. Highs 76 to 86. Terrain
driven winds less than 5 mph.
.SUNDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 51 to 60. Highs 78 to 88. Terrain driven
winds less than 5 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
53 to 62. Highs 76 to 86. Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 52 to 60.
Highs 71 to 81. Terrain driven winds less than 5 mph.
$$
ORZ693-WAZ693-121130-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Areas of smoke in the evening,
then patchy smoke after midnight.
* Min temperature.....48-59.
* Max humidity........51-66 percent...except 45-53 percent ridges.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 3 to 8 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 (164-224) decreasing to low
(25-26) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....80-89...except 75-81 ridges.
* Min humidity........22-28 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 north 2 to 6
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (35-57) increasing to moderate to high
(428-540) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Areas of smoke.
* Min temperature.....47-58.
* Max humidity........61-76 percent...except 55-64 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (184-262) decreasing to low
(25-28) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....76-85...except 70-77 ridges.
* Min humidity........29-36 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming north 1 to
5 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (26-38) increasing to moderate (295-429)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 47 to 58. Highs 76 to 85. Northwest
winds 1 to 6 mph.
.SATURDAY...A chance of showers and thunderstorms. Partly cloudy.
Lows 47 to 58. Highs 78 to 87. Terrain driven winds less than
5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 47 to 59. Highs 81 to 90.
Terrain driven winds less than 5 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 49 to 61. Highs 80 to 89.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 49 to 61.
Highs 75 to 84. West winds up to 5 mph.
$$
ORZ701-121130-
Eastern Columbia River Gorge of Oregon-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Smoky.
* Min temperature.....51-58.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Gusts to 25 mph in the evening. West winds 6
to 12 mph. In the eastern Columbia River Gorge, gusts to 30
mph in the evening.
* Ridges/upr slopes....West winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (198-320) decreasing to low
(35-65) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Areas of smoke.
* Max temperature.....78-83...except 72-79 ridges.
* Min humidity........39-54 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 6 to 12 mph...except west 7 to 13
mph in the eastern Columbia River Gorge. Gusts to 25 mph in
the afternoon. In the eastern Columbia River Gorge, gusts to
30 mph.
* Ridges/upr slopes....West winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (65-161) increasing to moderate to high
(358-518) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Smoky.
* Min temperature.....48-55.
* Max humidity........80-95 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 7 to 13 mph with gusts up to 25
mph decreasing to 2 to 7 mph after midnight. In the eastern
Columbia River Gorge, west winds 6 to 12 mph, Gusts to 30 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...Moderate (210-318) decreasing to low (31-49)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....79-84.
* Min humidity........34-47 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph in the morning.
Upslope less than 5 mph. In the eastern Columbia River Gorge,
west winds 2 to 7 mph in the morning.
* Ridges/upr slopes....West winds up 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 north in
the afternoon.
* Ventilation Index...Low (30-62) increasing to low to moderate
(197-237) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 51 to 57. Highs 82 to 87. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy. Lows 51 to 57. Highs 83 to 88. West
winds 1 to 6 mph.
.SUNDAY...Partly cloudy. Lows 52 to 58. Highs 84 to 89. West
winds 2 to 7 mph.
.MONDAY...Partly cloudy. Lows 54 to 60. Highs 82 to 87. West
winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
52 to 59. Highs 77 to 82. West winds 3 to 8 mph.
$$
ORZ702-121130-
East Slopes of the Mt. Hood National Forest-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Smoky.
* Min temperature.....48-54.
* Max humidity........78-93 percent.
* Humidity recovery...Excellent.
* 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 15 mph.
* Ventilation Index...Low to moderate (158-216) decreasing to low
(45-61) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke in the morning.
Smoky in the afternoon.
* Max temperature.....72-81...except 65-75 ridges.
* Min humidity........37-48 percent...except 45-60 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1
to 6 mph in the afternoon.
* Ridges/upr slopes....West winds up to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (61-103) increasing to moderate (230-340)
in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Smoky.
* Min temperature.....45-51.
* Max humidity........80-95 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 2 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.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (160-228) decreasing to low
(38-50) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....76-82...except 69-77 ridges.
* Min humidity........37-52 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....10 percent (very low chance).
* Mixing height.......7000 ft agl.
* Transport winds.....West around 5 mph shifting to the northeast
in the afternoon.
* Ventilation Index...Low (27-41) increasing to low to moderate
(132-258) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 47 to 55. Highs 71 to 84. Terrain
driven winds less than 5 mph.
.SATURDAY...Partly cloudy. Lows 48 to 55. Highs 73 to 85. Terrain
driven winds less than 5 mph.
.SUNDAY...Partly cloudy. Lows 50 to 57. Highs 74 to 86. Terrain
driven winds less than 5 mph.
.MONDAY...A slight chance of showers. Mostly cloudy. Lows 51 to
59. Highs 72 to 84. Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
50 to 57. Highs 67 to 80. Terrain driven winds less than 5 mph.
$$
ORZ695-121130-
Eagle Cap Wilderness-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....49-56.
* Max humidity........48-63 percent.
* Humidity recovery...Moderate.
* 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 to moderate (152-250) decreasing to low
(25-42) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....76-88...except 67-78 ridges.
* Min humidity........21-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (37-73) increasing to moderate to high
(420-684) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....48-55.
* Max humidity........60-75 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.......Near surface.
* Transport winds.....North around 10 mph.
* Ventilation Index...Low to moderate (165-273) decreasing to low
(26-46) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon.
* Max temperature.....72-83...except 62-73 ridges.
* Min humidity........29-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph.
* Ridges/upr slopes....Northwest winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (26-62) increasing to moderate to high
(295-585) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...A chance of showers and thunderstorms. Mostly cloudy.
Lows 47 to 55. Highs 66 to 81. Northwest winds 2 to 7 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 48 to 55. Highs 68 to 83. South
winds 2 to 7 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 49 to 56. Highs 71 to 86. West
winds 2 to 7 mph.
.MONDAY...A chance of showers. Mostly cloudy. Lows 51 to 58.
Highs 69 to 84. West winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 50 to 57.
Highs 65 to 80. West winds 2 to 7 mph.
$$
ORZ694-121130-
Grande Ronde Valley of Oregon-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....49-54.
* Max humidity........66-81 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 9 mph.
* Ridges/upr slopes....Northwest winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low to moderate (184-264) decreasing to low
(25-47) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....84-89.
* Min humidity........25-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph.
* Ridges/upr slopes....Northwest winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low (47-99) increasing to moderate to high
(413-553) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....48-53.
* Max humidity........74-89 percent.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 10 mph.
* Ridges/upr slopes....Northwest winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low to moderate (194-284) decreasing to low
(27-51) after midnight.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-86.
* Min humidity........29-34 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 9 mph.
* Ridges/upr slopes....Northwest winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8000 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low (36-86) increasing to moderate to high
(388-560) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 49 to 54. Highs 81 to 87. Northwest
winds 3 to 8 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 50 to 55. Highs 83 to 88.
Terrain driven winds less than 5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 50 to 55. Highs 85 to 90.
Terrain driven winds less than 5 mph.
.MONDAY...Mostly cloudy with a chance of showers. Lows 52 to 57.
Highs 84 to 89. Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 52 to 57.
Highs 80 to 85. Northwest winds 1 to 5 mph.
$$
ORZ699-121130-
Western Forested Blue Mountains-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....47-53.
* Max humidity........64-79 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 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 around 10 mph.
* Ventilation Index...Moderate (208-270) decreasing to low (26-40)
after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....78-84...except 72-79 ridges.
* Min humidity........21-32 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 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (45-75) increasing to moderate to very
high (408-704) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
* Min temperature.....45-51.
* Max humidity........73-88 percent.
* Humidity recovery...Excellent.
* 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.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Moderate (204-298) decreasing to low (26-40)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-81...except 69-76 ridges.
* Min humidity........25-38 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.......10000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (29-49) increasing to moderate to high
(335-615) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a chance of showers and
thunderstorms. Lows 47 to 53. Highs 73 to 82. North winds up to
5 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 48 to 54. Highs 75 to 83.
Terrain driven winds less than 5 mph.
.SUNDAY...A slight chance of showers and thunderstorms. Mostly
cloudy. Lows 49 to 56. Highs 77 to 85. Terrain driven winds less
than 5 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
50 to 57. Highs 75 to 83. Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 49 to 56.
Highs 71 to 79. Terrain driven winds less than 5 mph.
$$
ORZ696-121130-
John Day Valley-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....50-55.
* Max humidity........62-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Moderate (254-316) decreasing to low (25-32)
after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....79-87...except 74-79 ridges.
* Min humidity........21-29 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (40-58) increasing to moderate to high
(395-571) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....48-54.
* Max humidity........71-86 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Moderate (273-359) decreasing to low (25-33)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....77-85...except 72-77 ridges.
* Min humidity........23-30 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 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 (25-35) increasing to moderate (285-449)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 50 to 55. Highs 78 to 87. North winds 1 to
6 mph.
.SATURDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 50 to 56. Highs 80 to 88. Terrain
driven winds less than 5 mph.
.SUNDAY...Mostly cloudy with a slight chance of showers and
thunderstorms. Lows 51 to 57. Highs 82 to 90. Terrain driven
winds less than 5 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
53 to 59. Highs 79 to 87. West winds up to 5 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
51 to 57. Highs 75 to 83. Southwest winds 1 to 5 mph.
$$
ORZ700-121130-
Central Mountains of Oregon-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Areas of smoke.
* Min temperature.....43-52...except 48-53 ridges.
* Max humidity........73-88 percent...except 67-77 percent ridges.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph.
* Ridges/upr slopes....Northwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Moderate (299-447) decreasing to low (25-42)
after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....80-85...except 72-79 ridges.
* Min humidity........18-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 4
to 9 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.......9000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (35-63) increasing to moderate to high
(452-640) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....40-49...except 45-50 ridges.
* Max humidity........84-99 percent...except 78-88 percent ridges.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 9 mph.
* Ridges/upr slopes....Northwest winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Moderate (324-494) decreasing to low (25-53)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-83...except 70-77 ridges.
* Min humidity........20-30 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 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 (25-41) increasing to moderate (280-476)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy. Lows 43 to 52. Highs 79 to 85. Northwest
winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 43 to 53. Highs 81 to 87. Northwest winds
1 to 6 mph.
.SUNDAY...Mostly cloudy. Lows 44 to 55. Highs 82 to 88. West
winds 1 to 6 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
46 to 56. Highs 79 to 85. Southwest winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
44 to 54. Highs 75 to 81. Southwest winds 2 to 7 mph.
$$
ORZ703-121130-
Warm Springs Reservation-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Areas of smoke in the evening.
Patchy smoke after midnight.
* Min temperature.....50-55.
* Max humidity........73-85 percent.
* Humidity recovery...Good...except Excellent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 11 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (204-280) decreasing to low (33-59)
after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....76-85...except 64-74 ridges.
* Min humidity........31-42 percent...except 44-59 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 10 mph.
* Ridges/upr slopes....Northwest winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (56-100) increasing to moderate to high
(352-620) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Areas of smoke in the evening.
Patchy smoke after midnight.
* Min temperature.....47-52.
* Max humidity........77-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 6 to 12 mph shifting to the
west 1 to 6 mph after midnight.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Moderate (229-301) decreasing to low (27-47)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-85...except 67-75 ridges.
* Min humidity........26-36 percent...except 36-51 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.......7500 ft agl.
* Transport winds.....West around 5 mph shifting to the northeast
in the afternoon.
* Ventilation Index...Low (25-41) increasing to low to moderate
(169-257) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 50 to 55. Highs 77 to 88. Northwest
winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
50 to 55. Highs 78 to 89. West winds 2 to 7 mph.
.SUNDAY...Mostly cloudy. Lows 52 to 57. Highs 79 to 90. West
winds 2 to 7 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
54 to 59. Highs 77 to 88. West winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
52 to 57. Highs 72 to 83. West winds 2 to 7 mph.
$$
ORZ704-121130-
Northern Deschutes National Forest-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....43-50.
* Max humidity........78-93 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 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 (189-271) decreasing to low
(27-43) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke in the morning.
* Max temperature.....78-84...except 65-75 ridges.
* Min humidity........30-36 percent...except 38-53 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....Northwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (53-81) increasing to moderate (372-470)
in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....39-47.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 15 mph decreasing to around 5 mph
after midnight.
* Ventilation Index...Moderate (213-291) decreasing to low (25-35)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-84...except 66-76 ridges.
* Min humidity........27-34 percent...except 34-47 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.......7500 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Low (25-31) increasing to moderate (217-321)
in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 42 to 50. Highs 71 to 84. Northwest
winds 1 to 6 mph.
.SATURDAY...Partly cloudy. Lows 43 to 51. Highs 73 to 85. West
winds 1 to 6 mph.
.SUNDAY...Mostly cloudy. Lows 45 to 53. Highs 73 to 86. West
winds 1 to 6 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
46 to 53. Highs 71 to 84. Northwest winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 45 to 52.
Highs 66 to 79. West winds 1 to 6 mph.
$$
ORZ705-121130-
Southern Deschutes National Forest-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....38-47.
* Max humidity........86-100 percent...except 72-87 percent ridges.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (170-422) decreasing to low
(25-34) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke in the morning.
* Max temperature.....78-83...except 67-77 ridges.
* Min humidity........22-37 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (38-56) increasing to moderate to high
(394-616) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
Smoky after midnight.
* Min temperature.....35-44.
* Max humidity........95-100 percent...except 81-96 percent ridges.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (169-417) decreasing to low
(25-39) after midnight.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-81...except 66-75 ridges.
* Min humidity........22-36 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* 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.......10000 ft agl.
* Transport winds.....North around 5 mph shifting to the west in
the afternoon.
* Ventilation Index...Low (25-34) increasing to moderate to high
(355-519) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 37 to 46. Highs 73 to 82. Northwest
winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 37 to 48. Highs 74 to 84. West winds up to
5 mph.
.SUNDAY...Mostly cloudy. Lows 39 to 49. Highs 75 to 84. West
winds up to 5 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
40 to 50. Highs 72 to 82. Southwest winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 39 to 49.
Highs 68 to 78. Southwest winds up to 5 mph.
$$
ORZ697-121130-
Central Blue Mountains-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....46-54.
* Max humidity........54-69 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph.
* Ridges/upr slopes....Northwest winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Moderate (277-387) decreasing to low (31-51)
after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....80-85...except 75-81 ridges.
* Min humidity........19-24 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 6 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Northwest around 5 mph increasing to west
around 15 mph in the afternoon.
* Ventilation Index...Low (50-90) increasing to high to very high
(696-960) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke in the evening.
* Min temperature.....44-53.
* Max humidity........64-79 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Moderate (327-411) decreasing to low (34-52)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....77-82...except 71-77 ridges.
* Min humidity........23-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (37-55) increasing to high to very high
(555-791) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 44 to 53. Highs 73 to 80. North
winds up to 5 mph.
.SATURDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 44 to 53. Highs 75 to 82. Northeast
winds up to 5 mph.
.SUNDAY...A slight chance of showers. Mostly cloudy. Lows 46 to
54. Highs 77 to 84. West winds 1 to 6 mph.
.MONDAY...Mostly cloudy. Lows 47 to 56. Highs 75 to 82. West
winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
46 to 55. Highs 72 to 78. West winds 1 to 6 mph.
$$
ORZ698-121130-
Southern Blue Mountains-
1228 PM PDT Tue Aug 11 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....47-56.
* Max humidity........52-67 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph.
* Ridges/upr slopes....Northwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....North 10 to 15 mph.
* Ventilation Index...Moderate to high (421-509) decreasing to low
(49-61) after midnight.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Areas of smoke in the morning,
then patchy smoke in the afternoon.
* Max temperature.....81-88.
* Min humidity........14-19 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 6
mph in the afternoon.
* Ridges/upr slopes....Northwest winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (67-95) increasing to very high (817-999)
in the afternoon.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....45-54.
* Max humidity........60-75 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.....North 10 to 15 mph.
* Ventilation Index...Moderate to high (426-506) decreasing to low
(50-66) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....77-82...except 72-77 ridges.
* Min humidity........19-24 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 2 to 6 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (45-63) increasing to high to very high
(632-768) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 45 to 53. Highs 77 to 83. Northwest winds
1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
45 to 53. Highs 80 to 85. North winds 1 to 6 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 46 to
54. Highs 81 to 87. West winds 1 to 6 mph.
.MONDAY...Mostly cloudy. Lows 48 to 56. Highs 79 to 85. West
winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a slight chance of showers. Lows
47 to 55. Highs 75 to 81. West winds 2 to 7 mph.
$$
.8-14 DAY OUTLOOK for Wednesday August 19 through Tuesday August 25...
A greater chance of above normal temperatures and above normal
precipitation.
$$