Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
610
FNUS56 KPDT 031135
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
435 AM PDT Wed Sep 3 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING FOR FIRE WEATHER ZONE OR705...
.DISCUSSION...10 to 30% chances for isolated afternoon and evening
dry thunderstorms with abundant lightning through Friday, mainly
on central Oregon. Unseasonably hot temperatures in the upper 90s
to low 100s for lower elevations in the Columbia Basin continue
through Thursday. Daytime minimum RH will trend downward into the
10s and 20s through Thursday before gradually improving Friday
into next week.
***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.
WAZ695-032330-
East Washington South Central Cascade Mountains-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy. Hazy.
* Max temperature.....90-98...except 81-90 ridges.
* Min humidity........16-23 percent.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 1 to 5 mph.
* Ridges/upr slopes....North winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12000 ft agl.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (25-78) increasing to fair (229-467) in
the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy and areas of smoke in the evening.
* Min temperature.....62-69.
* Max humidity........43-58 percent.
* Humidity recovery...Moderate.
* 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...Poor (56-186) decreasing to poor (25-83)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....86-95...except 78-86 ridges.
* Min humidity........20-29 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the morning
becoming 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.......11000 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the
southeast in the afternoon.
* Ventilation Index...Poor (25-62) increasing to poor to fair
(197-355) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 58 to 64. Highs 76 to 90. Northwest
winds 1 to 5 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 57 to 64. Highs 70 to 85. West
winds 1 to 6 mph.
.SUNDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 52 to 58. Highs 64 to 78. West
winds 2 to 7 mph.
.MONDAY...Mostly cloudy with a slight chance of showers. Lows
50 to 56. Highs 60 to 75. West winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 48 to 54.
Highs 56 to 70. West winds 2 to 7 mph.
$$
WAZ690-032330-
Kittitas Valley-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
Hazy.
* Max temperature.....97-102...except 87-98 ridges.
* Min humidity........13-18 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12000 ft agl.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (28-82) increasing to fair (318-448) in
the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....67-73.
* Max humidity........38-53 percent.
* Humidity recovery...Moderate...except Poor 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.......Near surface.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor to fair (73-223) decreasing to poor
(32-104) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....94-99...except 83-94 ridges.
* Min humidity........17-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the morning
becoming upslope less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....North around 10 mph shifting to the east in
the afternoon.
* Ventilation Index...Poor (31-91) increasing to poor to fair
(188-344) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 63 to 70. Highs 88 to 95. North
winds 3 to 8 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 64 to 70. Highs 84 to 91.
Northwest winds 2 to 7 mph.
.SUNDAY...A slight chance of showers and thunderstorms. Mostly
cloudy. Lows 59 to 65. Highs 79 to 87. West winds 4 to 9 mph.
.MONDAY...A slight chance of showers. Partly cloudy. Lows 56 to
62. Highs 75 to 82. Northwest winds 3 to 8 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 54 to 60.
Highs 70 to 77. West winds 2 to 7 mph.
$$
WAZ694-032330-
Yakama Alpine District-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy. Areas of smoke in the morning.
Hazy. Patchy smoke in the afternoon.
* Max temperature.....92-99...except 84-94 ridges.
* Min humidity........14-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 1
to 5 mph in the afternoon.
* Ridges/upr slopes....Northeast winds 2 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....East around 5 mph.
* Ventilation Index...Poor (25-65) increasing to fair (252-438) in
the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....60-69.
* Max humidity........48-63 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming
northwest 1 to 5 mph after midnight.
* Ridges/upr slopes....West winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (28-92) decreasing to poor (25-60) after
midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....89-96...except 79-91 ridges.
* Min humidity........19-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 1 to
5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Northwest around 5 mph shifting to the south
in the afternoon.
* Ventilation Index...Poor (25-43) increasing to poor to fair
(127-293) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 57 to 65. Highs 80 to 92. Northwest
winds 1 to 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 57 to 64. Highs 74 to 85. West
winds 1 to 6 mph.
.SUNDAY...A slight chance of showers and thunderstorms. Mostly
cloudy. Lows 52 to 59. Highs 69 to 82. West winds 2 to 7 mph.
.MONDAY...A chance of showers. Mostly cloudy. Lows 49 to 56.
Highs 65 to 78. West winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 47 to 54.
Highs 61 to 74. West winds 1 to 6 mph.
$$
ORZ691-WAZ691-032330-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy. Hazy.
* Max temperature.....96-102.
* Min humidity........15-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to
5 mph in the afternoon.
* Ridges/upr slopes....North winds 2 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....West around 5 mph shifting to the north in
the afternoon.
* Ventilation Index...Poor (25-39) increasing to poor to fair
(137-259) in the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy in the evening.
* Min temperature.....65-70.
* Max humidity........45-60 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest 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 5 to 10 mph.
* Ventilation Index...Poor (38-124) decreasing to poor (25-68)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....94-99.
* Min humidity........18-23 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 6 mph.
* Ridges/upr slopes....West winds 2 to 7 mph shifting to the
northwest in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (25-72) increasing to poor to fair
(153-327) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 64 to 69. Highs 90 to 97. Northwest
winds 2 to 7 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 64 to 69. Highs 82 to 90. West
winds 2 to 7 mph.
.SUNDAY...A slight chance of showers and thunderstorms. Partly
cloudy. Lows 59 to 64. Highs 80 to 87. Southwest winds 4 to
9 mph.
.MONDAY...A slight chance of showers. Partly cloudy. Lows 57 to
62. Highs 76 to 82. Southwest winds 3 to 8 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 54 to 59.
Highs 73 to 79. Southwest winds 3 to 8 mph.
$$
ORZ692-WAZ692-032330-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
Hazy in the afternoon.
* Max temperature.....90-99...except 85-90 ridges.
* Min humidity........15-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming northwest 2
to 5 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12500 ft agl.
* Transport winds.....Northeast around 5 mph shifting to the
northwest in the afternoon.
* Ventilation Index...Poor (25-44) increasing to fair (205-353) in
the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....61-70.
* Max humidity........35-50 percent.
* Humidity recovery...Poor.
* 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 (46-138) decreasing to poor (25-61)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....86-96...except 81-86 ridges.
* Min humidity........19-25 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12500 ft agl.
* Transport winds.....West around 5 mph.
* Ventilation Index...Poor (25-58) increasing to poor to fair
(180-308) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 60 to 67. Highs 82 to 92. East winds
1 to 6 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 59 to 67. Highs 76 to 86.
Southwest winds 1 to 5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 53 to 61. Highs 72 to 82.
Southwest winds 1 to 5 mph.
.MONDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 51 to 59. Highs 68 to 78. Southwest
winds 1 to 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 49 to 56. Highs 63 to 74. Terrain
driven winds less than 5 mph.
$$
ORZ693-WAZ693-032330-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly sunny then becoming partly cloudy.
Hazy.
* Max temperature.....92-100...except 85-92 ridges.
* Min humidity........12-17 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to
5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming north 2 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......14500 ft agl.
* Transport winds.....East around 5 mph shifting to the north in
the afternoon.
* Ventilation Index...Poor (25-49) increasing to fair (296-420) in
the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....58-68.
* Max humidity........33-48 percent...except 31-36 percent ridges.
* Humidity recovery...Poor.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor to fair (130-222) decreasing to poor
(25-61) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....88-97...except 81-89 ridges.
* Min humidity........14-19 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming north 1 to
5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming north 1 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......13000 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (25-57) increasing to fair (268-414) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly clear. Lows 57 to 65. Highs 85 to 93. North
winds 2 to 7 mph.
.SATURDAY...A slight chance of showers and thunderstorms. Partly
cloudy. Lows 56 to 66. Highs 78 to 88. Southwest winds 1 to
6 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 51 to 61. Highs 74 to 83.
Southwest winds 1 to 6 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 50 to 59. Highs 71 to 80.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 46 to 56. Highs 66 to 75. Terrain
driven winds less than 5 mph.
$$
ORZ701-032330-
Eastern Columbia River Gorge of Oregon-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy.
* Max temperature.....93-98.
* Min humidity........20-34 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....West around 5 mph shifting to the northeast
in the afternoon.
* Ventilation Index...Poor (25-42) increasing to poor to fair
(136-282) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....63-68.
* Max humidity........58-73 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 5 mph...except west 2 to 7
mph in the eastern Columbia River Gorge.
* Ridges/upr slopes....West winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (86-172) decreasing to poor (25-87)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....94-99...except 89-95 ridges.
* Min humidity........22-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph...except west 1 to 6
mph in the eastern Columbia River Gorge.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (25-76) increasing to poor to fair
(148-270) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers. Lows
61 to 67. Highs 89 to 94. Northwest winds 2 to 7 mph.
.SATURDAY...Not as warm. Mostly cloudy with a chance of showers
and a slight chance of thunderstorms. Lows 59 to 65. Highs 78 to
85. West winds 2 to 7 mph.
.SUNDAY...A slight chance of showers. Mostly cloudy. Lows 55 to
61. Highs 77 to 82. West winds 2 to 7 mph.
.MONDAY...A chance of showers. Mostly cloudy. Lows 54 to 59.
Highs 73 to 78. West winds 3 to 8 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 53 to 58.
Highs 71 to 76. West winds 2 to 7 mph.
$$
ORZ702-032330-
East Slopes of the Mt. Hood National Forest-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly cloudy. Hazy in the afternoon.
* Max temperature.....90-97...except 84-93 ridges.
* Min humidity........20-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....East 5 to 10 mph.
* Ventilation Index...Poor (25-53) increasing to fair (242-404) in
the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. A slight
chance of showers in the evening.
* Min temperature.....60-68.
* Max humidity........44-59 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (40-124) decreasing to poor (25-52)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....91-96...except 83-91 ridges.
* Min humidity........22-31 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (25-40) increasing to poor to fair
(184-300) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers. Lows
58 to 66. Highs 78 to 91. Terrain driven winds less than 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 56 to 64. Highs 69 to 83. Terrain
driven winds less than 5 mph.
.SUNDAY...A chance of showers. Mostly cloudy. Lows 51 to 58.
Highs 67 to 81. West winds 1 to 5 mph.
.MONDAY...Mostly cloudy with a chance of showers. Lows 50 to 57.
Highs 63 to 76. Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 49 to 56.
Highs 61 to 74. Terrain driven winds less than 5 mph.
$$
ORZ695-032330-
Eagle Cap Wilderness-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy. Hazy.
* Max temperature.....87-98...except 75-87 ridges.
* Min humidity........15-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....Northeast winds 2 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......14000 ft agl.
* Transport winds.....Northeast around 5 mph shifting to the
northwest in the afternoon.
* Ventilation Index...Poor (25-67) increasing to fair (227-419) in
the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....61-67...except 55-63 ridges.
* Max humidity........32-42 percent.
* Humidity recovery...Poor.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 1 to 6 mph.
* Ridges/upr slopes....North winds 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Poor to fair (102-200) decreasing to poor
(25-72) after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....83-94...except 71-83 ridges.
* Min humidity........19-26 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......12000 ft agl.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (25-58) increasing to fair (239-403) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy. Lows 55 to 64. Highs 74 to 89. Northwest
winds 1 to 6 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 53 to 62. Highs 67 to 82.
Terrain driven winds less than 5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 47 to 58. Highs 64 to 79.
Terrain driven winds less than 5 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 46 to 56. Highs 61 to 76.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 42 to 52. Highs 56 to 70. Terrain
driven winds less than 5 mph.
$$
ORZ694-032330-
Grande Ronde Valley of Oregon-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy. Hazy in the afternoon.
* Max temperature.....96-101.
* Min humidity........12-17 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.......12000 ft agl.
* Transport winds.....North around 5 mph.
* Ventilation Index...Poor (30-52) increasing to fair (307-387) in
the afternoon.
.TONIGHT...
* Sky/weather.........Partly cloudy. Hazy in the evening.
* Min temperature.....58-63.
* Max humidity........46-58 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 6 mph.
* Ridges/upr slopes....Northwest winds 2 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Poor to fair (148-224) decreasing to poor
(40-82) after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....92-97.
* Min humidity........17-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1
to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming north 3 to 6
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (31-65) increasing to fair (325-425) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy. Lows 57 to 62. Highs 90 to 95. North
winds 2 to 7 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 57 to 62. Highs 81 to 86. West
winds 1 to 6 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 52 to 57. Highs 80 to 85. West
winds 1 to 5 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 50 to 55. Highs 76 to 81.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 47 to 52. Highs 71 to 76. Northwest
winds 1 to 5 mph.
$$
ORZ699-032330-
Western Forested Blue Mountains-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy. Hazy.
* Max temperature.....89-95...except 83-89 ridges.
* Min humidity........15-20 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.......13500 ft agl.
* Transport winds.....East around 5 mph shifting to the northwest
in the afternoon.
* Ventilation Index...Poor (25-46) increasing to poor to fair
(194-372) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....58-65.
* Max humidity........40-49 percent.
* Humidity recovery...Moderate...except Poor 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 10 mph.
* Ventilation Index...Poor (82-168) decreasing to poor (25-60)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....86-91...except 79-86 ridges.
* Min humidity........20-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Poor (25-51) increasing to fair (240-366) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers. Lows
57 to 63. Highs 79 to 88. Terrain driven winds less than 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 54 to 61. Highs 72 to 81. Terrain
driven winds less than 5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 50 to 56. Highs 69 to 78.
Terrain driven winds less than 5 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 48 to 55. Highs 65 to 74.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 45 to 52. Highs 61 to 70. Terrain
driven winds less than 5 mph.
$$
ORZ696-032330-
John Day Valley-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy.
* Max temperature.....88-97...except 84-89 ridges.
* Min humidity........14-19 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.......12000 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Poor (25-56) increasing to poor to fair
(142-390) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers.
* Min temperature.....60-66.
* Max humidity........43-53 percent.
* Humidity recovery...Moderate...except Poor 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...Poor (63-145) decreasing to poor (25-63)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....87-95...except 82-87 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.......11500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (25-46) increasing to fair (247-393) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 59 to 65. Highs 84 to 93. Terrain driven
winds less than 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 57 to 62. Highs 77 to 86. Terrain
driven winds less than 5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 53 to 59. Highs 74 to 83.
Terrain driven winds less than 5 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 51 to 57. Highs 70 to 79.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 48 to 54. Highs 66 to 74. Terrain
driven winds less than 5 mph.
$$
ORZ700-032330-
Central Mountains of Oregon-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers. A
slight chance of thunderstorms in the afternoon.
* Max temperature.....86-92...except 81-86 ridges.
* Min humidity........19-24 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......9000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (26-60) increasing to fair to good
(301-641) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers and
thunderstorms in the evening.
* Min temperature.....54-63.
* Max humidity........50-65 percent...except 44-52 percent ridges.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest around 10 mph shifting to the
southwest after midnight.
* Ventilation Index...Poor (53-123) decreasing to poor (25-39)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy.
* Max temperature.....87-94...except 81-86 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.......11500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-48) increasing to fair to good
(303-503) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 53 to 63. Highs 83 to 90. Terrain driven
winds less than 5 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 51 to 60. Highs 77 to 83. West
winds 1 to 6 mph.
.SUNDAY...A chance of showers. Partly cloudy. Lows 46 to 56.
Highs 74 to 80. West winds 1 to 6 mph.
.MONDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 45 to 55. Highs 70 to 76. West
winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 42 to 52.
Highs 66 to 72. West winds 1 to 6 mph.
$$
ORZ703-032330-
Warm Springs Reservation-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the afternoon.
* Max temperature.....90-96...except 79-89 ridges.
* Min humidity........20-25 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.......8000 ft agl.
* Transport winds.....Southeast 5 to 10 mph.
* Ventilation Index...Poor (25-41) increasing to fair (251-381) in
the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. A slight
chance of showers in the evening.
* Min temperature.....60-65.
* Max humidity........49-61 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming west 1
to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (65-139) decreasing to poor (25-50)
after midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....91-98...except 80-89 ridges.
* Min humidity........20-25 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.......11000 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Poor (25-46) increasing to fair (220-336) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...A slight chance of showers. Partly cloudy. Lows 61 to
66. Highs 83 to 92. Northwest winds 1 to 6 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 58 to 64. Highs 74 to 85. West
winds 2 to 7 mph.
.SUNDAY...A chance of showers. Partly cloudy. Lows 54 to 59.
Highs 73 to 83. West winds 2 to 7 mph.
.MONDAY...Mostly cloudy with a chance of showers. Lows 53 to 58.
Highs 67 to 77. West winds 2 to 7 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 51 to 56.
Highs 65 to 75. West winds 2 to 7 mph.
$$
ORZ704-032330-
Northern Deschutes National Forest-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers. A
slight chance of thunderstorms in the afternoon.
* Max temperature.....87-93...except 75-85 ridges.
* Min humidity........21-32 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......8000 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-45) increasing to fair to good
(289-517) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers in the evening.
* Min temperature.....54-61.
* Max humidity........51-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph becoming
southwest 1 to 5 mph after midnight.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 5 mph.
* Ventilation Index...Poor (35-101) decreasing to poor (25-50)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....89-96...except 76-86 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.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Poor (25-44) increasing to fair (253-369) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 55 to 61. Highs 76 to 89.
Northwest winds 1 to 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 51 to 59. Highs 67 to 82. West
winds 1 to 5 mph.
.SUNDAY...A chance of showers. Partly cloudy. Lows 47 to 53.
Highs 66 to 80. West winds 1 to 5 mph.
.MONDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 46 to 53. Highs 59 to 73. West
winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 43 to 50.
Highs 58 to 71. West winds 1 to 5 mph.
$$
ORZ705-032330-
Southern Deschutes National Forest-
435 AM PDT Wed Sep 3 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...
.TODAY...
* Sky/weather.........Mostly cloudy. Hazy. A chance of showers. A
chance of thunderstorms in the afternoon.
* Max temperature.....83-88...except 74-81 ridges.
* Min humidity........24-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....Southeast winds 1 to 5 mph in the morning
becoming light less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....30 percent (chance).
* Mixing height.......10000 ft agl.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (36-80) increasing to good to excellent
(630-820) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
Hazy and areas of smoke in the evening. A slight chance of
showers and thunderstorms in the evening.
* Min temperature.....49-56...except 54-60 ridges.
* Max humidity........62-77 percent...except 51-65 percent ridges.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Northwest around 5 mph shifting to the south
after midnight.
* Ventilation Index...Poor (25-65) decreasing to poor (25-33) after
midnight.
.THURSDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....85-90...except 76-83 ridges.
* Min humidity........21-29 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.......11500 ft agl.
* Transport winds.....South around 5 mph.
* Ventilation Index...Poor (25-40) increasing to fair (218-346) in
the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 49 to 57. Highs 76 to 84. Terrain
driven winds less than 5 mph.
.SATURDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 46 to 53. Highs 69 to 79.
Terrain driven winds less than 5 mph.
.SUNDAY...A chance of showers and a slight chance of
thunderstorms. Partly cloudy. Lows 42 to 49. Highs 67 to 77.
Terrain driven winds less than 5 mph.
.MONDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 41 to 48. Highs 61 to 71. Terrain
driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Lows 39 to 46.
Highs 59 to 68. Terrain driven winds less than 5 mph.
$$
ORZ697-032330-
Central Blue Mountains-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly cloudy. Hazy.
* Max temperature.....85-90...except 80-87 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.......12500 ft agl.
* Transport winds.....Southwest around 5 mph.
* Ventilation Index...Poor (25-51) increasing to fair (271-451) in
the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the evening.
* Min temperature.....55-61.
* Max humidity........44-57 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Poor (56-130) decreasing to poor (25-64)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy.
* Max temperature.....83-88...except 78-84 ridges.
* Min humidity........21-26 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.....West 5 to 10 mph.
* Ventilation Index...Poor (25-62) increasing to fair to good
(356-548) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 52 to 60. Highs 78 to 85. Terrain driven
winds less than 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 50 to 57. Highs 71 to 78. Terrain
driven winds less than 5 mph.
.SUNDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 45 to 53. Highs 69 to 76. Terrain
driven winds less than 5 mph.
.MONDAY...A chance of showers and a slight chance of
thunderstorms. Mostly cloudy. Lows 45 to 52. Highs 66 to 73.
Terrain driven winds less than 5 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 41 to 48. Highs 61 to 68. Terrain
driven winds less than 5 mph.
$$
ORZ698-032330-
Southern Blue Mountains-
435 AM PDT Wed Sep 3 2025
.TODAY...
* Sky/weather.........Mostly cloudy. Hazy in the morning.
* Max temperature.....83-90.
* 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.......10000 ft agl.
* Transport winds.....West around 10 mph shifting to the south in
the afternoon.
* Ventilation Index...Poor (26-62) increasing to fair to good
(321-503) in the afternoon.
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the evening.
* Min temperature.....55-60.
* Max humidity........47-61 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (54-122) decreasing to poor (25-61)
after midnight.
.THURSDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....83-89.
* 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.......10000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (25-69) increasing to fair to good
(452-624) in the afternoon.
.Forecast days 3 through 7......
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Lows 53 to 59. Highs 82 to 88. Terrain driven
winds less than 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 50 to 56. Highs 75 to 82. Northwest
winds 1 to 5 mph.
.SUNDAY...Partly cloudy with a chance of showers. Lows 45 to 51.
Highs 73 to 80. West winds 1 to 6 mph.
.MONDAY...Partly cloudy with a slight chance of showers. Lows
45 to 51. Highs 70 to 77. West winds 1 to 6 mph.
.TUESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 42 to 47. Highs 66 to 71. West
winds 2 to 7 mph.
$$
.8-14 DAY OUTLOOK for Wednesday September 10 through Tuesday September 16...
A greater chance of near to above normal temperatures and above
normal precipitation.
$$