Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
510
FNUS56 KPDT 062124
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
224 PM PDT Sun Sep 6 2026
.DISCUSSION...Isolated to scattered showers with isolated
mountain thunderstorms are expected through tonight with showers
decreasing through Monday afternoon. Breezy winds will develop on
Monday, with another period of Breezy winds on Thursday. RH values
will remain elevated on Monday, but will be lower by Thursday.
Otherwise, drying and warming conditions are expected through
Thursday.
***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. ***
WAZ695-071200-
East Washington South Central Cascade Mountains-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the evening.
* Min temperature.....42-48...except 38-43 ridges.
* Max humidity........81-96 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.................10 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Low (103-159) decreasing to low (51-83) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....59-67...except 50-59 ridges.
* Min humidity........44-59 percent...except 56-71 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 9 mph.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....Northwest around 15 mph.
* Ventilation Index...Low (96-160) increasing to moderate to high
(276-520) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Min temperature.....38-45.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 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...Low to moderate (115-209) decreasing to low
(26-44) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....68-76...except 60-67 ridges.
* Min humidity........34-46 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 1
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the south
in the afternoon.
* Ventilation Index...Low (25-29) increasing to low to moderate
(120-218) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 69 to 80. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 48 to 54. Highs 62 to 76. West
winds 4 to 9 mph.
.FRIDAY...Partly cloudy. Lows 41 to 48. Highs 54 to 68. West
winds 4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
40 to 46. Highs 55 to 68. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
41 to 47. Highs 59 to 71. South winds up to 5 mph.
$$
WAZ690-071200-
Kittitas Valley-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the evening.
* Min temperature.....48-53.
* Max humidity........70-85 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph.
* Ridges/upr slopes....West winds 2 to 6 mph shifting to the
northwest 6 to 12 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Low (83-129) decreasing to low (48-68) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....68-75...except 59-68 ridges.
* Min humidity........39-49 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 11 mph.
* Ridges/upr slopes....Northwest winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8000 ft agl.
* Transport winds.....Northwest around 15 mph.
* Ventilation Index...Low (115-185) increasing to high to very high
(510-732) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Min temperature.....46-51.
* Max humidity........73-88 percent.
* 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...Low to moderate (186-276) decreasing to low
(34-48) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....72-78...except 63-71 ridges.
* Min humidity........33-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 5 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.....Northwest around 5 mph shifting to the south
in the afternoon.
* Ventilation Index...Low (25-33) increasing to low to moderate
(175-221) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 51 to 56. Highs 77 to 84. South winds up
to 5 mph.
.THURSDAY...Mostly clear. Lows 54 to 59. Highs 77 to 84. West
winds 4 to 9 mph.
.FRIDAY...Partly cloudy. Lows 49 to 54. Highs 68 to 76. Northwest
winds 6 to 12 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
48 to 53. Highs 67 to 74. Northwest winds 3 to 8 mph.
.SUNDAY...A slight chance of showers. Mostly clear. Lows 48 to
53. Highs 69 to 76. East winds up to 5 mph.
$$
WAZ694-071200-
Yakama Alpine District-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the evening.
* Min temperature.....39-47.
* Max humidity........84-99 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (52-92) decreasing to low (32-60) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....64-72...except 54-66 ridges.
* Min humidity........40-55 percent.
* 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.......7500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (63-117) increasing to moderate (280-408)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....39-47.
* Max humidity........77-92 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....West winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (104-146) decreasing to low (25-29) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-77...except 61-71 ridges.
* Min humidity........34-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....North around 5 mph shifting to the southeast
in the afternoon.
* Ventilation Index...Low (25) increasing to low (148-190) in the
afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 45 to 52. Highs 72 to 83. Terrain driven
winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 48 to 56. Highs 68 to 82. West
winds 3 to 8 mph.
.FRIDAY...Partly cloudy. Lows 43 to 50. Highs 59 to 72. West
winds 4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 48. Highs 58 to 70. West winds 2 to 7 mph.
.SUNDAY...Mostly clear with a slight chance of showers. Lows
42 to 49. Highs 61 to 73. East winds 1 to 5 mph.
$$
ORZ691-WAZ691-071200-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers.
* Min temperature.....47-52.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 4 to 9 mph.
* Ridges/upr slopes....Southwest winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (77-151) decreasing to low (37-75) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny. A
slight chance of showers in the morning.
* Max temperature.....68-76.
* Min humidity........37-48 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.......8000 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low to moderate (88-202) increasing to
moderate to very high (478-736) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....46-51.
* Max humidity........79-94 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low to moderate (138-216) decreasing to low
(25-34) after midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....72-79.
* Min humidity........31-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (25-30) increasing to low (102-178) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 50 to 55. Highs 80 to 86. East winds
1 to 6 mph.
.THURSDAY...Mostly clear. Lows 54 to 59. Highs 80 to 87.
Southwest winds 5 to 11 mph.
.FRIDAY...Mostly clear. Lows 52 to 57. Highs 71 to 78. West winds
7 to 13 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
48 to 53. Highs 68 to 75. West winds 4 to 9 mph.
.SUNDAY...A slight chance of showers. Mostly clear. Lows 48 to
53. Highs 70 to 77. North winds 2 to 7 mph.
$$
ORZ692-WAZ692-071200-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers.
* Min temperature.....41-47.
* Max humidity........91-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming
southwest 2 to 7 mph after midnight.
* Ridges/upr slopes....light winds less than 5 mph becoming west 2
to 7 mph after midnight.
* CWR.................40 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (70-98) increasing to low (69-123) after
midnight.
.LABOR DAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers.
* Max temperature.....60-69...except 53-58 ridges.
* Min humidity........44-55 percent...except 54-66 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 to 8 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................10 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......6500 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low to moderate (164-208) increasing to high
(527-665) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Min temperature.....38-46.
* Max humidity........77-92 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Low (125-163) decreasing to low (25-35) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....67-75...except 60-66 ridges.
* Min humidity........33-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....South around 5 mph shifting to the west in
the afternoon.
* Ventilation Index...Low (25-29) increasing to moderate (214-310)
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 43 to 51. Highs 72 to 82. Terrain driven
winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 49 to 57. Highs 70 to 82.
Southwest winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 46 to 53. Highs 62 to 72. Southwest
winds 4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 48. Highs 58 to 68. West winds 1 to 6 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 41 to
48. Highs 61 to 71. Terrain driven winds less than 5 mph.
$$
ORZ693-WAZ693-071200-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of
thunderstorms in the evening. Showers.
* Min temperature.....40-47.
* Max humidity........85-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming west
1 to 6 mph after midnight.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................80 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (74-143).
.LABOR DAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers.
* Max temperature.....59-68...except 53-60 ridges.
* Min humidity........46-58 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................10 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......6000 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low to moderate (124-222) increasing to
moderate to high (405-629) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the evening.
* Min temperature.....37-46.
* Max humidity........79-94 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming south 2
to 6 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......Near surface.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (71-137) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....66-75...except 61-67 ridges.
* Min humidity........31-38 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (25) increasing to moderate (272-350) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 40 to 49. Highs 74 to 83. South winds up
to 5 mph.
.THURSDAY...Mostly clear. Lows 45 to 56. Highs 74 to 84.
Southwest winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 44 to 53. Highs 66 to 75. West winds
3 to 8 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
40 to 49. Highs 60 to 69. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
39 to 48. Highs 63 to 72. Southeast winds up to 5 mph.
$$
ORZ701-071200-
Eastern Columbia River Gorge of Oregon-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers in the evening.
* Min temperature.....45-52.
* Max humidity........86-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 to 8 mph...except west 4 to 9
mph in the eastern Columbia River Gorge.
* 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 (59-87) decreasing to low (41-63) after
midnight.
.LABOR DAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....68-73.
* Min humidity........43-58 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 9 mph...except west 5 to 11
mph in the eastern Columbia River Gorge.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low (85-179) increasing to moderate to high
(327-513) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....45-50.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph. In the eastern
Columbia River Gorge, west winds 2 to 7 mph.
* Ridges/upr slopes....West winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (123-183) decreasing to low (26-36) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....73-78.
* Min humidity........35-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph in the afternoon.
Upslope less than 5 mph in the morning.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......4000 ft agl.
* Transport winds.....Southwest around 5 mph shifting to the east
in the afternoon.
* Ventilation Index...Low (25) increasing to low (129-177) in the
afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 50 to 55. Highs 80 to 85. Terrain driven
winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 52 to 58. Highs 78 to 83. West
winds 4 to 10 mph.
.FRIDAY...Mostly clear. Lows 49 to 54. Highs 69 to 74. West winds
4 to 10 mph.
.SATURDAY...Partly cloudy. Lows 46 to 52. Highs 68 to 73. West
winds 3 to 8 mph.
.SUNDAY...Mostly clear with a slight chance of showers. Lows
46 to 52. Highs 71 to 76. East winds 1 to 6 mph.
$$
ORZ702-071200-
East Slopes of the Mt. Hood National Forest-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers in the evening.
* Min temperature.....40-46.
* Max humidity........85-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming west
1 to 5 mph after midnight.
* Ridges/upr slopes....light winds less than 5 mph becoming west 1
to 6 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (78-102) decreasing to low (49-75) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....64-71...except 58-67 ridges.
* Min humidity........40-49 percent...except 46-61 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...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 10 to 15 mph.
* Ventilation Index...Low (81-129) increasing to moderate (228-336)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....40-46.
* Max humidity........69-84 percent.
* Humidity recovery...Good...except Excellent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (96-138) decreasing to low (25-33) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....69-75...except 64-72 ridges.
* Min humidity........34-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......4000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(169-213) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 47 to 54. Highs 72 to 82. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 51 to 57. Highs 68 to 82. West
winds 1 to 6 mph.
.FRIDAY...Cooler. Mostly clear. Lows 43 to 50. Highs 58 to 72.
West winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
42 to 48. Highs 56 to 69. Terrain driven winds less than 5 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
43 to 49. Highs 60 to 72. Terrain driven winds less than 5 mph.
$$
ORZ695-071200-
Eagle Cap Wilderness-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of
thunderstorms in the evening. Showers.
* Min temperature.....39-45...except 32-39 ridges.
* Max humidity........95-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 5 mph.
* CWR.................80 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (57-116).
.LABOR DAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers.
* Max temperature.....55-64...except 46-54 ridges.
* Min humidity........51-63 percent...except 63-75 percent ridges.
* 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 5 mph.
* CWR.................10 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......5500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (64-144) increasing to moderate (219-421)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....38-43...except 32-38 ridges.
* Max humidity........81-96 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......Near surface.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (40-96) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....63-72...except 53-62 ridges.
* Min humidity........34-46 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (25-31) increasing to moderate (265-369)
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 39 to 47. Highs 64 to 78. Southwest
winds 1 to 5 mph.
.THURSDAY...Mostly clear. Lows 45 to 53. Highs 64 to 78.
Southwest winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 41 to 50. Highs 57 to 71. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
37 to 45. Highs 51 to 65. Northwest winds 2 to 7 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
36 to 45. Highs 53 to 67. Southwest winds 2 to 7 mph.
$$
ORZ694-071200-
Grande Ronde Valley of Oregon-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. Showers and a slight chance of
thunderstorms in the evening, then showers likely after midnight.
* Min temperature.....41-46.
* Max humidity........95-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................40 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low (75-127) decreasing to low (50-98) after
midnight.
.LABOR DAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the morning, then a slight chance of showers
in the afternoon.
* Max temperature.....63-68.
* Min humidity........53-58 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.......6000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (64-112) increasing to moderate (269-475)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....38-43.
* Max humidity........86-99 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......Near surface.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (32-100) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-75.
* Min humidity........34-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(180-226) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 42 to 47. Highs 77 to 83. Terrain driven
winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 46 to 52. Highs 80 to 85. South
winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 45 to 50. Highs 72 to 77. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 46. Highs 66 to 71. Northwest winds 3 to 8 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
40 to 45. Highs 67 to 73. South winds 2 to 7 mph.
$$
ORZ699-071200-
Western Forested Blue Mountains-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. Showers likely and a slight
chance of thunderstorms in the evening, then a chance of showers
after midnight.
* Min temperature.....37-42.
* Max humidity........95-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming west 2
to 6 mph after midnight.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (91-139) decreasing to low (76-124) after
midnight.
.LABOR DAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the morning.
* Max temperature.....59-64...except 53-59 ridges.
* Min humidity........42-57 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 2 to 6 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......6000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (125-181) increasing to moderate to high
(385-529) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....36-41.
* Max humidity........74-89 percent.
* Humidity recovery...Good...except Excellent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Low (72-128) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....67-73...except 61-67 ridges.
* Min humidity........27-39 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the west
in the afternoon.
* Ventilation Index...Low (25) increasing to low to moderate
(179-393) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 42 to 47. Highs 73 to 81. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 47 to 54. Highs 72 to 80.
Southwest winds 1 to 6 mph.
.FRIDAY...Mostly clear. Lows 44 to 50. Highs 63 to 72. West winds
1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
39 to 44. Highs 58 to 66. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
39 to 44. Highs 61 to 68. South winds up to 5 mph.
$$
ORZ696-071200-
John Day Valley-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of
thunderstorms in the evening. A chance of showers.
* Min temperature.....40-45.
* Max humidity........88-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................20 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (128-188) decreasing to low (52-108)
after midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....61-69...except 57-62 ridges.
* Min humidity........36-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (96-142) increasing to moderate (370-460)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....39-44.
* Max humidity........69-80 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 5 mph.
* Ventilation Index...Low (85-133) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....69-77...except 65-70 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.......6500 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Low (25) increasing to low to moderate
(64-228) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 44 to 50. Highs 77 to 86. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 51 to 56. Highs 77 to 85.
Southwest winds 1 to 6 mph.
.FRIDAY...Mostly clear. Lows 48 to 53. Highs 68 to 77. West winds
1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
42 to 47. Highs 62 to 71. West winds 3 to 8 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
42 to 47. Highs 65 to 73. Southeast winds 2 to 7 mph.
$$
ORZ700-071200-
Central Mountains of Oregon-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers in the
evening. A slight chance of showers after midnight.
* Min temperature.....33-43.
* Max humidity........90-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................10 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low to moderate (103-207) decreasing to low
(36-78) after midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....61-68...except 55-60 ridges.
* Min humidity........32-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 1 to 5 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (51-95) increasing to moderate (234-348)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....35-43.
* Max humidity........72-87 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Low (78-142) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-76...except 63-68 ridges.
* Min humidity........24-35 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.......6000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(129-245) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 41 to 49. Highs 78 to 84.
Southeast winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 45 to 54. Highs 78 to 84.
Southwest winds 2 to 7 mph.
.FRIDAY...Mostly clear. Lows 43 to 51. Highs 69 to 75. West winds
3 to 8 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
38 to 45. Highs 62 to 68. West winds 4 to 9 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
37 to 45. Highs 65 to 71. Southeast winds 1 to 6 mph.
$$
ORZ703-071200-
Warm Springs Reservation-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the evening.
* Min temperature.....42-47.
* Max humidity........85-100 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....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (66-104) decreasing to low (30-68) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....66-71...except 56-63 ridges.
* Min humidity........39-46 percent...except 46-59 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 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 around 10 mph.
* Ventilation Index...Low (58-112) increasing to moderate (241-347)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....41-47.
* Max humidity........75-83 percent...except 79-94 percent ridges.
* Humidity recovery...Good...except Excellent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (119-157) decreasing to low (25-28) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-76...except 62-68 ridges.
* Min humidity........35-43 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......4500 ft agl.
* Transport winds.....Southwest around 5 mph shifting to the
southeast in the afternoon.
* Ventilation Index...Low (25) increasing to low to moderate
(115-205) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 49 to 54. Highs 77 to 84. East
winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 52 to 57. Highs 74 to 86. West
winds 2 to 7 mph.
.FRIDAY...Not as warm. Mostly clear. Lows 46 to 52. Highs 64 to
76. West winds 4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
43 to 49. Highs 61 to 71. West winds 3 to 8 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
44 to 49. Highs 64 to 73. East winds 1 to 6 mph.
$$
ORZ704-071200-
Northern Deschutes National Forest-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers in the
evening.
* Min temperature.....36-42.
* Max humidity........87-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (90-132) decreasing to low (37-53) after
midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....65-70...except 55-63 ridges.
* Min humidity........35-44 percent...except 43-58 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* 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.......6000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (55-83) increasing to moderate (225-289)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....37-43.
* Max humidity........75-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the
southwest after midnight.
* Ventilation Index...Low (84-128) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-76...except 62-69 ridges.
* Min humidity........34-46 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25) increasing to low to moderate
(170-226) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 42 to 50. Highs 74 to 85. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 45 to 53. Highs 70 to 83. West
winds 2 to 7 mph.
.FRIDAY...Mostly clear. Lows 43 to 49. Highs 61 to 73. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
38 to 45. Highs 56 to 67. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
38 to 45. Highs 60 to 71. East winds up to 5 mph.
$$
ORZ705-071200-
Southern Deschutes National Forest-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the evening. Patchy fog.
* Min temperature.....29-36.
* Max humidity........95-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming west 1
to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low to moderate (122-202) decreasing to low
(25-37) after midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
Patchy fog in the morning.
* Max temperature.....62-67...except 54-61 ridges.
* Min humidity........29-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....West around 5 mph.
* Ventilation Index...Low (32-52) increasing to moderate (208-264)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....32-39.
* Max humidity........81-96 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Low (99-147) decreasing to low (25-26) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-75...except 62-70 ridges.
* Min humidity........23-35 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.......6000 ft agl.
* Transport winds.....Southeast around 5 mph.
* Ventilation Index...Low (25-26) increasing to moderate (220-264)
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 37 to 47. Highs 76 to 84. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 41 to 51. Highs 73 to 81. West
winds 1 to 6 mph.
.FRIDAY...Mostly clear. Lows 39 to 46. Highs 64 to 73. West winds
1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
34 to 41. Highs 58 to 66. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
33 to 41. Highs 62 to 69. Southeast winds up to 5 mph.
$$
ORZ697-071200-
Central Blue Mountains-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers and a
slight chance of thunderstorms in the evening, then a slight
chance of showers after midnight.
* Min temperature.....35-40.
* Max humidity........95-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low to moderate (144-206) decreasing to low
(78-126) after midnight.
.LABOR DAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....56-62.
* Min humidity........36-48 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (105-161) increasing to moderate
(389-453) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....35-40.
* Max humidity........73-81 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Low (77-141) decreasing to low (25) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....66-71...except 61-67 ridges.
* Min humidity........26-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....East around 5 mph shifting to the southwest
in the afternoon.
* Ventilation Index...Low (25) increasing to moderate (258-404) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 40 to 45. Highs 71 to 79. Terrain
driven winds less than 5 mph.
.THURSDAY...Mostly clear. Lows 45 to 52. Highs 72 to 78.
Southwest winds 2 to 7 mph.
.FRIDAY...Mostly clear. Lows 44 to 49. Highs 65 to 71. West winds
2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
38 to 43. Highs 58 to 64. Northwest winds 3 to 8 mph.
.SUNDAY...Partly cloudy with a slight chance of showers. Lows
37 to 43. Highs 59 to 66. Southeast winds 1 to 6 mph.
$$
ORZ698-071200-
Southern Blue Mountains-
224 PM PDT Sun Sep 6 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
chance of showers and a slight chance of thunderstorms in the
evening.
* Min temperature.....36-41.
* Max humidity........92-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming
northwest 1 to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low to moderate (165-229) decreasing to low
(51-105) after midnight.
.LABOR DAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....58-63.
* Min humidity........37-43 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (98-136) increasing to moderate (353-437)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....36-41.
* Max humidity........68-76 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 5 mph shifting to the north after
midnight.
* Ventilation Index...Low (56-134) decreasing to low (25-27) after
midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....66-71.
* Min humidity........27-33 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.......6500 ft agl.
* Transport winds.....Northeast around 5 mph shifting to the south
in the afternoon.
* Ventilation Index...Low (25) increasing to moderate (227-341) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 41 to 46. Highs 73 to 78. East
winds up to 5 mph.
.THURSDAY...Mostly clear. Lows 45 to 52. Highs 75 to 80.
Southwest winds 4 to 9 mph.
.FRIDAY...Mostly clear. Lows 44 to 50. Highs 68 to 73. West winds
4 to 10 mph.
.SATURDAY...Partly cloudy. Lows 39 to 45. Highs 61 to 66.
Northwest winds 4 to 10 mph.
.SUNDAY...Partly cloudy. Lows 37 to 44. Highs 62 to 67. East
winds 2 to 7 mph.
$$
.8-14 DAY OUTLOOK for Monday September 14 through Sunday September 20...
A greater chance of above normal temperatures and near to above
normal precipitation.
$$