Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
431
FNUS56 KPDT 031951
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
1251 PM PDT Sun Aug 3 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING FOR FIRE WEATHER ZONE OR698...
...SCATTERED THUNDERSTORMS TODAY CENTRAL OREGON AND EASTERN
MOUNTAINS...
.DISCUSSION...Scattered wet and isolated dry thunderstorms will
continue to develop across Central Oregon and Easter Mountains
today. Greatest threat for dry thunderstorms will be in the
southern Blues this afternoon. Isolated storms/showers will
continue across the eastern mountains through early Monday
evening. Locally breezy winds will develop through the Cascade
gaps each afternoon into the midweek. Dry conditions briefly
return Tuesday before afternoon RHs trend higher through the week
with light mountain showers Wednesday into Thursday.
***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 the
transport wind multiplied by the mixing
height in 100`s of feet. Index categories
are a generalized indicator and users are
encourage to develop criteria that are
suitable and representative of dispersion
conditions in their local area of interest.***
Note: Max transport winds may not occur
at the same time as max mixing height.
WAZ695-041115-
East Washington South Central Cascade Mountains-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....47-55...except 44-50 ridges.
* Max humidity........69-84 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.......Near surface.
* Transport winds.....Northwest around 15 mph.
* Ventilation Index...Poor to fair (86-324) decreasing to poor
(25-160) after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....67-76...except 58-68 ridges.
* Min humidity........40-55 percent.
* 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.......8000 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Poor to fair (37-235) increasing to poor to
fair (187-439) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....46-53.
* Max humidity........71-86 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 10 mph.
* Ridges/upr slopes....West winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 15 mph.
* Ventilation Index...Poor to fair (114-398) decreasing to poor
(25-161) after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....70-79...except 61-70 ridges.
* Min humidity........32-47 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.......9500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (25-140) increasing to fair (263-483) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 48 to
55. Highs 59 to 73. West winds 3 to 8 mph.
.THURSDAY...A chance of showers. Partly cloudy. Lows 48 to 55.
Highs 59 to 72. West winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 45 to 51. Highs 62 to 75. Northwest
winds 4 to 9 mph.
.SATURDAY...Mostly clear. Lows 47 to 54. Highs 68 to 82.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 52 to 58. Highs 73 to 86. West winds
2 to 7 mph.
$$
WAZ690-041115-
Kittitas Valley-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....55-61.
* Max humidity........54-69 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 8 to 14 mph.
* Ridges/upr slopes....Northwest winds 9 to 15 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 20 mph.
* Ventilation Index...Fair (290-466) decreasing to poor (38-162)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....77-86...except 69-80 ridges.
* Min humidity........27-38 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 6 to 12 mph.
* Ridges/upr slopes....Northwest winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest 10 to 15 mph.
* Ventilation Index...Poor to fair (92-254) increasing to fair to
good (414-578) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....54-59.
* Max humidity........58-73 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 8 to 14 mph.
* Ridges/upr slopes....Northwest winds 8 to 14 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 15 to 20 mph.
* Ventilation Index...Fair to good (285-507) decreasing to poor
(35-157) after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....80-87...except 70-82 ridges.
* Min humidity........23-32 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.......9500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (43-151) increasing to fair to good
(340-586) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...A slight chance of showers. Mostly cloudy. Lows
56 to 62. Highs 76 to 84. West winds 4 to 10 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 55 to
61. Highs 75 to 84. West winds 5 to 11 mph.
.FRIDAY...Mostly clear. Lows 52 to 57. Highs 77 to 85. Northwest
winds 7 to 13 mph.
.SATURDAY...Mostly clear. Lows 54 to 60. Highs 82 to 89.
Northwest winds 3 to 8 mph.
.SUNDAY...Mostly clear. Lows 58 to 64. Highs 86 to 94. Northwest
winds 2 to 7 mph.
$$
WAZ694-041115-
Yakama Alpine District-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy in the evening.
* Min temperature.....45-53.
* Max humidity........65-80 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 to 8 mph.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor to fair (120-288) decreasing to poor
(25-89) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....71-82...except 62-74 ridges.
* Min humidity........32-47 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.......8500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (37-141) increasing to fair (215-409) in
the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....45-53.
* Max humidity........71-86 percent.
* Humidity recovery...Good.
* 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.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor to fair (120-290) decreasing to poor
(25-82) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....74-83...except 64-75 ridges.
* Min humidity........26-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (25-79) increasing to fair (276-434) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...A slight chance of showers. Mostly cloudy. Lows
48 to 56. Highs 65 to 78. West winds 2 to 7 mph.
.THURSDAY...A chance of showers. Partly cloudy. Lows 48 to 55.
Highs 65 to 79. West winds 2 to 7 mph.
.FRIDAY...Mostly clear. Lows 43 to 51. Highs 68 to 81. West winds
4 to 9 mph.
.SATURDAY...Mostly clear. Lows 48 to 55. Highs 73 to 86. West
winds 1 to 6 mph.
.SUNDAY...Mostly clear. Lows 53 to 60. Highs 78 to 90. West winds
1 to 5 mph.
$$
ORZ691-WAZ691-041115-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. A slight
chance of thunderstorms in the evening. A slight chance of
showers.
* Min temperature.....54-61.
* Max humidity........55-70 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 7 to 13 mph.
* Ridges/upr slopes....West winds 7 to 13 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......Near surface.
* Transport winds.....West around 15 mph.
* Ventilation Index...Fair (245-387) decreasing to poor (30-100)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers in the morning.
* Max temperature.....77-86.
* Min humidity........24-32 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 11 mph.
* Ridges/upr slopes....Southwest winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Poor to fair (87-235) increasing to fair to
good (402-586) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....54-59.
* Max humidity........60-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 6 to 12 mph.
* Ridges/upr slopes....Southwest winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 15 mph.
* Ventilation Index...Fair (243-395) decreasing to poor (26-92)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....81-88.
* Min humidity........20-26 percent.
* 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....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor (45-155) increasing to fair to good
(407-661) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy. Lows 57 to 63. Highs 79 to 86. West
winds 5 to 11 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 57 to
62. Highs 78 to 86. West winds 5 to 11 mph.
.FRIDAY...Mostly clear. Lows 52 to 58. Highs 79 to 85. West winds
6 to 12 mph.
.SATURDAY...Mostly clear. Lows 55 to 60. Highs 84 to 90. West
winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 58 to 63. Highs 89 to 94. West winds
2 to 7 mph.
$$
ORZ692-WAZ692-041115-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. A slight
chance of thunderstorms in the evening. A chance of showers.
* Min temperature.....50-58...except 48-53 ridges.
* Max humidity........57-72 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (71-165) decreasing to poor (25-78)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers. A slight
chance of thunderstorms in the afternoon.
* Max temperature.....69-80...except 62-69 ridges.
* Min humidity........32-47 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 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....20 percent (slight chance).
* Mixing height.......7500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (38-142) increasing to fair (214-396) in
the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....47-55.
* Max humidity........60-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 1 to 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming
southwest 1 to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor to fair (95-217) decreasing to poor
(25-72) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....75-85...except 68-74 ridges.
* Min humidity........23-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-84) increasing to fair to good
(435-633) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 50 to 59. Highs 70 to 81. West
winds 2 to 7 mph.
.THURSDAY...A slight chance of showers. Mostly cloudy. Lows 51 to
59. Highs 67 to 79. West winds 2 to 7 mph.
.FRIDAY...A slight chance of showers. Mostly clear. Lows 46 to
55. Highs 66 to 78. West winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 49 to 57. Highs 72 to 83. West
winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 52 to 59. Highs 76 to 88. West winds
1 to 5 mph.
$$
ORZ693-WAZ693-041115-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of
thunderstorms in the evening. A chance of showers.
* Min temperature.....49-59.
* Max humidity........65-80 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 5 mph.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (41-135) decreasing to poor (25-66)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers. A chance
of thunderstorms in the afternoon.
* Max temperature.....69-79...except 64-71 ridges.
* Min humidity........38-48 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.................30 percent.
* Chc of lightning....40 percent (chance).
* Mixing height.......8000 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (33-99) increasing to poor to fair
(131-301) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy. A slight chance of showers and
thunderstorms in the evening.
* Min temperature.....45-56.
* Max humidity........64-79 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (31-101) decreasing to poor (25-57)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....77-86...except 71-78 ridges.
* Min humidity........22-29 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-70) increasing to fair to good
(480-692) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy. Lows 50 to 60. Highs 75 to 84.
Terrain driven winds less than 5 mph.
.THURSDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 49 to 60. Highs 71 to 81. West
winds 1 to 6 mph.
.FRIDAY...Partly cloudy with a slight chance of showers. Lows
45 to 56. Highs 70 to 79. West winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 46 to 56. Highs 74 to 83.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 49 to 58. Highs 79 to 88. West winds
2 to 7 mph.
$$
ORZ701-041115-
Eastern Columbia River Gorge of Oregon-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....50-56.
* Max humidity........64-79 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 7 to 13 mph with gusts up to 25
mph...except west 7 to 13 mph with gusts up to 30 mph in the
eastern Columbia River Gorge.
* Ridges/upr slopes....West winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 15 to 20 mph.
* Ventilation Index...Poor to fair (194-400) decreasing to poor
(33-153) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....75-80...except 69-78 ridges.
* Min humidity........29-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 6 to 12 mph...except west 8 to 14
mph in the eastern Columbia River Gorge. Gusts to 25 mph in
the afternoon. In the eastern Columbia River Gorge, gusts to
30 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Poor to fair (86-302) increasing to fair to
good (394-628) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-56.
* Max humidity........67-82 percent.
* Humidity recovery...Good.
* 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.......Near surface.
* Transport winds.....West 15 to 20 mph.
* Ventilation Index...Fair (227-479) decreasing to poor (33-131)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....80-85...except 75-81 ridges.
* Min humidity........27-39 percent.
* 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.......8000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor (42-162) increasing to fair to good
(419-623) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...A slight chance of showers. Mostly cloudy. Lows
53 to 59. Highs 76 to 81. West winds 4 to 10 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 54 to
60. Highs 75 to 81. West winds 5 to 11 mph.
.FRIDAY...Mostly clear. Lows 48 to 54. Highs 78 to 83. West winds
6 to 12 mph.
.SATURDAY...Mostly clear. Lows 52 to 58. Highs 84 to 89.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 57 to 62. Highs 89 to 94. Northwest
winds 1 to 6 mph.
$$
ORZ702-041115-
East Slopes of the Mt. Hood National Forest-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....45-53.
* Max humidity........63-78 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 15 mph.
* Ventilation Index...Poor to fair (71-235) decreasing to poor
(25-98) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....71-80...except 64-74 ridges.
* Min humidity........30-45 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.......6000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor (36-156) increasing to poor to fair
(181-377) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....45-53.
* Max humidity........66-81 percent.
* Humidity recovery...Good.
* 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 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 15 mph.
* Ventilation Index...Poor to fair (83-275) decreasing to poor
(25-86) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....76-83...except 68-77 ridges.
* Min humidity........29-42 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (25-94) increasing to fair (248-426) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...A slight chance of showers. Mostly cloudy. Lows
48 to 56. Highs 65 to 79. West winds 1 to 6 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 50 to
57. Highs 64 to 79. West winds 1 to 6 mph.
.FRIDAY...Partly cloudy. Lows 44 to 52. Highs 68 to 81. West
winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 48 to 56. Highs 74 to 87. Terrain
driven winds less than 5 mph.
.SUNDAY...Mostly clear. Lows 53 to 61. Highs 79 to 91. Terrain
driven winds less than 5 mph.
$$
ORZ695-041115-
Eagle Cap Wilderness-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of
thunderstorms in the evening. A chance of showers.
* Min temperature.....49-56...except 43-51 ridges.
* Max humidity........65-79 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.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....North around 10 mph.
* Ventilation Index...Poor (49-177) decreasing to poor (25-69)
after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
chance of showers in the morning, then showers likely and a
chance of thunderstorms in the afternoon.
* Max temperature.....65-77...except 55-66 ridges.
* Min humidity........34-49 percent...except 47-60 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 6 mph.
* Ridges/upr slopes....Northwest winds 2 to 6 mph.
* CWR.................20 percent.
* Chc of lightning....30 percent (chance).
* Mixing height.......8000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor (25-114) increasing to fair (220-364) in
the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy. A slight chance of showers and
thunderstorms in the evening.
* Min temperature.....47-54...except 41-49 ridges.
* Max humidity........61-76 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* 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....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor (72-182) decreasing to poor (25-59)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....73-83...except 61-73 ridges.
* Min humidity........24-38 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-47) increasing to good to excellent
(550-720) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 46 to 55. Highs 65 to 80.
Northwest winds 1 to 6 mph.
.THURSDAY...A slight chance of showers and thunderstorms. Mostly
cloudy. Lows 45 to 55. Highs 62 to 77. Northwest winds 1 to
6 mph.
.FRIDAY...Partly cloudy with a slight chance of showers. Lows
42 to 51. Highs 60 to 75. Northwest winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 42 to 52. Highs 64 to 79.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 45 to 55. Highs 69 to 84. Northwest
winds 1 to 6 mph.
$$
ORZ694-041115-
Grande Ronde Valley of Oregon-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. A slight
chance of thunderstorms in the evening. A chance of showers.
* Min temperature.....51-56.
* Max humidity........67-77 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 3 to 6 mph shifting to the
northwest 2 to 7 mph after midnight.
* Ridges/upr slopes....Southwest winds 3 to 6 mph shifting to the
northwest 3 to 7 mph after midnight.
* CWR.................20 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor (100-174) decreasing to poor (48-92)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers. A slight
chance of thunderstorms in the afternoon.
* Max temperature.....75-80.
* Min humidity........35-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph.
* Ridges/upr slopes....Northwest winds 3 to 8 mph.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......8000 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor (107-183) increasing to fair (390-490)
in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear. A slight chance of showers in
the evening.
* Min temperature.....47-52.
* Max humidity........70-83 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....North winds 3 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Fair (208-272) decreasing to poor (34-68)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....82-87.
* Min humidity........22-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (26-50) increasing to good (500-656) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 51 to 56. Highs 80 to 85.
Northwest winds 1 to 6 mph.
.THURSDAY...A slight chance of showers. Mostly cloudy. Lows 52 to
57. Highs 77 to 82. Northwest winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 48 to 53. Highs 76 to 81. Northwest
winds 3 to 8 mph.
.SATURDAY...Mostly clear. Lows 49 to 54. Highs 80 to 85.
Northwest winds 3 to 8 mph.
.SUNDAY...Mostly clear. Lows 52 to 57. Highs 85 to 90. Northwest
winds 2 to 7 mph.
$$
ORZ699-041115-
Western Forested Blue Mountains-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. A chance
of showers and a slight chance of thunderstorms in the evening,
then a slight chance of showers after midnight.
* Min temperature.....46-52.
* Max humidity........71-86 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.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor (37-121) decreasing to poor (25-57)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
* Max temperature.....71-77...except 64-71 ridges.
* Min humidity........29-43 percent.
* 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.......8500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (40-114) increasing to fair to good
(343-503) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....45-51.
* Max humidity........60-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (171-273) decreasing to poor
(25-48) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....75-81...except 69-76 ridges.
* Min humidity........23-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-48) increasing to good to excellent
(538-788) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 48 to 53. Highs 69 to 78.
Terrain driven winds less than 5 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 47 to
54. Highs 67 to 77. West winds 1 to 5 mph.
.FRIDAY...Partly cloudy. Lows 43 to 50. Highs 67 to 76. West
winds 1 to 6 mph.
.SATURDAY...Mostly clear. Lows 45 to 52. Highs 71 to 80.
Northwest winds 1 to 6 mph.
.SUNDAY...Mostly clear. Lows 49 to 55. Highs 76 to 84. Terrain
driven winds less than 5 mph.
$$
ORZ696-041115-
John Day Valley-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of
thunderstorms in the evening. A slight chance of showers.
* Min temperature.....50-56.
* Max humidity........69-84 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming
northwest 2 to 5 mph after midnight.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor (47-173) decreasing to poor (25-73)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
* Max temperature.....73-81...except 68-73 ridges.
* Min humidity........24-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 6 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......9500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (50-118) increasing to fair to good
(371-509) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....48-54.
* Max humidity........55-69 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest 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.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Fair (232-376) decreasing to poor (25-67)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-85...except 73-78 ridges.
* Min humidity........18-23 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-48) increasing to fair to good
(464-682) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 50 to 56. Highs 75 to 83.
Northwest winds 1 to 5 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 50 to
57. Highs 74 to 82. Northwest winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 47 to 53. Highs 73 to 82. Northwest
winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 49 to 54. Highs 78 to 86. North
winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 52 to 58. Highs 82 to 91. North
winds 1 to 6 mph.
$$
ORZ700-041115-
Central Mountains of Oregon-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight.
* Min temperature.....45-52.
* Max humidity........74-89 percent.
* 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....North winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................20 percent.
* Chc of lightning....30 percent (chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (157-283) decreasing to poor
(25-59) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny. A
slight chance of showers in the morning.
* Max temperature.....74-80...except 67-73 ridges.
* Min humidity........22-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor (45-101) increasing to fair to good
(406-528) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....43-51.
* Max humidity........58-72 percent.
* 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 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...Fair (272-438) decreasing to poor (25-48)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-83...except 72-77 ridges.
* Min humidity........17-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-43) increasing to fair to good
(403-585) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 53. Highs 76 to 81. West
winds 2 to 7 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 46 to
54. Highs 75 to 82. Northwest winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 44 to 50. Highs 76 to 82. Northwest
winds 3 to 8 mph.
.SATURDAY...Mostly clear. Lows 45 to 53. Highs 80 to 87. North
winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 48 to 56. Highs 84 to 91. North
winds 2 to 7 mph.
$$
ORZ703-041115-
Warm Springs Reservation-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....51-56...except 46-51 ridges.
* Max humidity........63-76 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.......Near surface.
* Transport winds.....West around 15 mph.
* Ventilation Index...Poor to fair (165-319) decreasing to poor
(25-95) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....74-83...except 62-71 ridges.
* Min humidity........23-32 percent...except 32-47 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.......8000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (61-169) increasing to fair to good
(335-575) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....49-54.
* Max humidity........59-72 percent.
* Humidity recovery...Moderate...except Good 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.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor to fair (188-364) decreasing to poor
(25-79) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-87...except 66-75 ridges.
* Min humidity........21-29 percent...except 28-42 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 1 to 5
mph in the afternoon.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (25-81) increasing to fair to good
(357-509) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 51 to 56. Highs 71 to 84. West
winds 3 to 8 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 53 to
58. Highs 71 to 84. West winds 3 to 8 mph.
.FRIDAY...Partly cloudy. Lows 48 to 53. Highs 74 to 86. West
winds 4 to 10 mph.
.SATURDAY...Mostly clear. Lows 51 to 56. Highs 80 to 90.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 55 to 60. Highs 84 to 94. North
winds 2 to 7 mph.
$$
ORZ704-041115-
Northern Deschutes National Forest-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers and
thunderstorms in the evening.
* Min temperature.....43-49.
* Max humidity........71-86 percent.
* Humidity recovery...Good.
* 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....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor to fair (127-295) decreasing to poor
(25-100) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....74-79...except 61-71 ridges.
* Min humidity........27-33 percent...except 34-49 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 6
mph in the afternoon.
* 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 around 10 mph.
* Ventilation Index...Poor (46-158) increasing to fair to good
(288-504) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....42-49.
* Max humidity........60-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 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.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor to fair (153-359) decreasing to poor
(25-74) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....78-83...except 64-75 ridges.
* Min humidity........22-28 percent...except 27-40 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming west 2 to 7
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (25-68) increasing to fair to good
(385-561) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 51. Highs 67 to 80. West
winds 2 to 7 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 47 to
53. Highs 67 to 81. West winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 43 to 49. Highs 70 to 83. West
winds 3 to 8 mph.
.SATURDAY...Mostly clear. Lows 47 to 52. Highs 75 to 88.
Northeast winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 50 to 55. Highs 79 to 91. East winds
2 to 7 mph.
$$
ORZ705-041115-
Southern Deschutes National Forest-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers and a
slight chance of thunderstorms in the evening.
* Min temperature.....40-45.
* Max humidity........85-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 6 mph.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (133-269) decreasing to poor
(25-49) after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....71-77...except 61-70 ridges.
* Min humidity........27-34 percent...except 30-45 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming west 1 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...Poor (42-90) increasing to fair (309-477) in
the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....39-45.
* Max humidity........68-83 percent...except 57-72 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest 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.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor to fair (160-350) decreasing to poor
(25-39) after midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-80...except 65-73 ridges.
* Min humidity........21-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming west 1 to 5
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...Poor (25-43) increasing to fair to good
(407-551) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 41 to 47. Highs 68 to 78. West
winds 1 to 6 mph.
.THURSDAY...A slight chance of showers. Partly cloudy. Lows 42 to
49. Highs 69 to 79. West winds 1 to 6 mph.
.FRIDAY...Partly cloudy. Lows 40 to 45. Highs 71 to 81. Northwest
winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 42 to 49. Highs 76 to 85.
Northeast winds 1 to 6 mph.
.SUNDAY...Mostly clear. Lows 45 to 52. Highs 80 to 88. Terrain
driven winds less than 5 mph.
$$
ORZ697-041115-
Central Blue Mountains-
1251 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight.
* Min temperature.....44-49.
* Max humidity........84-99 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 becoming
northwest 1 to 6 mph after midnight.
* CWR.................40 percent.
* Chc of lightning....30 percent (chance).
* Mixing height.......Near surface.
* Transport winds.....North around 10 mph.
* Ventilation Index...Poor to fair (80-200) decreasing to poor
(25-66) after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
* Max temperature.....69-74...except 64-70 ridges.
* Min humidity........31-41 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.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......8500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor (39-113) increasing to fair to good
(412-608) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....43-49.
* Max humidity........61-76 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor to fair (179-267) decreasing to poor
(25-51) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....75-80...except 70-76 ridges.
* Min humidity........21-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Poor (25-27) increasing to good to excellent
(680-864) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 51. Highs 71 to 78.
Northwest winds 1 to 5 mph.
.THURSDAY...Partly cloudy. Lows 45 to 51. Highs 69 to 77.
Northwest winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 43 to 48. Highs 68 to 76. Northwest
winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 42 to 48. Highs 72 to 80.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 46 to 52. Highs 76 to 84. Terrain
driven winds less than 5 mph.
$$
ORZ698-041115-
Southern Blue Mountains-
1251 PM PDT Sun Aug 3 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING...
.TONIGHT...
* Sky/weather.........Mostly cloudy. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight.
* Min temperature.....45-51.
* Max humidity........80-95 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming
northwest 2 to 5 mph after midnight.
* CWR.................20 percent.
* Chc of lightning....30 percent (chance).
* Mixing height.......Near surface.
* Transport winds.....North 10 to 15 mph.
* Ventilation Index...Fair (205-331) decreasing to poor (25-71)
after midnight.
.MONDAY...
* Sky/weather.........Partly cloudy. A chance of showers in the
morning. A slight chance of thunderstorms. A slight chance of
showers in the afternoon.
* Max temperature.....71-78.
* Min humidity........27-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3
to 6 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 2 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......9000 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor (68-136) increasing to good to excellent
(593-799) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....44-50.
* Max humidity........65-80 percent...except 60-66 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North around 10 mph.
* Ventilation Index...Fair (242-330) decreasing to poor (25-61)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-83.
* Min humidity........17-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southeast around 5 mph shifting to the
southwest in the afternoon.
* Ventilation Index...Poor (25-28) increasing to good to excellent
(593-769) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 46 to 52. Highs 76 to 83.
Northwest winds 2 to 7 mph.
.THURSDAY...Partly cloudy. Lows 47 to 52. Highs 74 to 82.
Northwest winds 2 to 7 mph.
.FRIDAY...Partly cloudy. Lows 44 to 50. Highs 73 to 80. Northwest
winds 2 to 7 mph.
.SATURDAY...Mostly clear. Lows 44 to 49. Highs 77 to 83.
Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 47 to 52. Highs 81 to 86. Terrain
driven winds less than 5 mph.
$$
.8-14 DAY OUTLOOK for Monday August 11 through Sunday August 17...
A greater chance of above normal temperatures and near normal
precipitation.
$$