Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
433
FNUS56 KPDT 232051
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM PDT SATURDAY FOR
WINDS AND LOW RH FOR ORZ697...
...RED FLAG WARNING IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING FOR ORZ692 AND WA692...
...RED FLAG WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR ABUNDANT
LIGHTNING FOR ORZ693 AND WAZ693...
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING FOR ORZ697 AND ORZ698...
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 8 PM
PDT SATURDAY FOR WINDS AND LOW RH FOR ORZ691, ORZ697, ORZ698,
ORZ700, ORZ704, WAZ690, WAZ691 ...
.DISCUSSION...Today will see thunderstorms along the eastern portion
of the CWA. Abundant lightning is expected with these storms as
well as small hail and gusty outflows of near 45 mph. Tomorrow
will see another round of Red Flag Warnings for central Mountains
of Oregon and the southern Blue Mountains for winds and RHs. These
two will roll into Saturday and be accompanied by central Blue
mountains, Kittitas Valley, lower Columbia Basin of OR & WA and
northern Deschutes National Forest for winds and critical RHs.
***Winds are 20 foot 10 minute averages ***
***CWR: Chance of wetting rain 0.10 or greater ***
***Ventilation Index is derived from transport wind
multiplied by the mixing height in 100`s of ft.
Categories are a generalized indicator and users
are encourage to develop criteria that are
suitable and representative of dispersion
conditions in their local area of interest.
Categories: low (< 200), moderate (200-500),
high (500-700), and very high (> 700).
-Note: Max transport winds may not occur
at the same time as max mixing height. ***
WAZ695-241130-
East Washington South Central Cascade Mountains-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....52-59.
* Max humidity........66-81 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 11 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low to moderate (116-262) decreasing to low
(40-70) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-91...except 73-81 ridges.
* Min humidity........21-34 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.......9000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (63-111) increasing to moderate to high
(358-662) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....51-59.
* Max humidity........62-77 percent.
* Humidity recovery...Good.
* 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.......500 ft agl.
* Transport winds.....West around 15 mph.
* Ventilation Index...Low to moderate (181-363) decreasing to low
(35-59) after midnight.
.SATURDAY...
* Sky/weather.........Partly cloudy then becoming mostly sunny.
* Max temperature.....70-81...except 61-71 ridges.
* Min humidity........35-50 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8000 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low (78-108) increasing to moderate to very
high (490-914) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 47 to 53. Highs 63 to 78. West winds
6 to 12 mph.
.MONDAY...Mostly clear. Lows 46 to 52. Highs 65 to 79. West winds
4 to 9 mph.
.TUESDAY...Mostly clear. Lows 47 to 53. Highs 65 to 79. West
winds 3 to 8 mph.
.WEDNESDAY...Mostly clear. Lows 46 to 53. Highs 70 to 84. West
winds 3 to 8 mph.
.THURSDAY...Mostly clear. Lows 48 to 55. Highs 71 to 85. West
winds 2 to 7 mph.
$$
WAZ690-241130-
Kittitas Valley-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM PDT SATURDAY...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....60-66.
* 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.......500 ft agl.
* Transport winds.....Northwest 15 to 20 mph.
* Ventilation Index...Moderate (289-491) decreasing to low (51-81)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke in the morning.
* Max temperature.....91-97...except 81-91 ridges.
* Min humidity........16-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 9 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (77-137) increasing to high to very high
(575-741) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....60-66.
* Max humidity........50-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 6 to 12 mph.
* Ridges/upr slopes....Northwest winds 7 to 13 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 15 mph.
* Ventilation Index...Moderate (342-488) decreasing to low (47-69)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-89...except 73-83 ridges.
* Min humidity........22-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 3 to 8 mph increasing to
southwest 10 to 16 mph with gusts up to 30 mph in the
afternoon.
* Ridges/upr slopes....West winds 9 to 15 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....West around 10 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Low (71-113) increasing to very high
(968-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 53 to 58. Highs 79 to 87. West winds 10 to
16 mph.
.MONDAY...Mostly clear. Lows 54 to 59. Highs 80 to 88. West winds
6 to 12 mph.
.TUESDAY...Clear. Lows 55 to 60. Highs 80 to 89. West winds 5 to
11 mph.
.WEDNESDAY...Clear. Lows 54 to 59. Highs 83 to 91. Northwest
winds 4 to 10 mph.
.THURSDAY...Mostly clear. Lows 57 to 62. Highs 86 to 93.
Northwest winds 4 to 9 mph.
$$
WAZ694-241130-
Yakama Alpine District-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....51-59.
* 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 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low to moderate (124-248) decreasing to low
(28-48) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-94...except 75-87 ridges.
* Min humidity........19-34 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 4
to 9 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 3
to 8 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....West around 5 mph increasing to southwest
around 15 mph in the afternoon.
* Ventilation Index...Low (33-61) increasing to moderate to high
(433-635) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....51-59.
* Max humidity........65-80 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph.
* Ridges/upr slopes....West winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (288-424) decreasing to low (35-57)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....72-82...except 62-74 ridges.
* Min humidity........32-47 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph increasing to
southwest 10 to 16 mph with gusts up to 40 mph in the
afternoon.
* Ridges/upr slopes....West winds 3 to 8 mph increasing to 9 to 15
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West around 10 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Low (68-112) increasing to very high
(722-1004) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 45 to 53. Highs 67 to 82. West winds
6 to 12 mph.
.MONDAY...Mostly clear. Lows 46 to 53. Highs 70 to 84. West winds
4 to 9 mph.
.TUESDAY...Mostly clear. Lows 47 to 54. Highs 70 to 84. West
winds 4 to 9 mph.
.WEDNESDAY...Mostly clear. Lows 46 to 54. Highs 74 to 88. West
winds 2 to 7 mph.
.THURSDAY...Mostly clear. Lows 49 to 56. Highs 76 to 90. West
winds 2 to 7 mph.
$$
ORZ691-WAZ691-241130-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM PDT SATURDAY...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....60-66.
* Max humidity........56-71 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 11 mph. Gusts to 25 mph
in the evening.
* Ridges/upr slopes....West winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (268-412) decreasing to low (30-56)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....92-100...except 88-95 ridges.
* Min humidity........17-22 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.......9000 ft agl.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Low (44-110) increasing to moderate to high
(362-512) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
* Min temperature.....59-66.
* Max humidity........53-68 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....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (278-478) decreasing to low (32-76)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-93...except 78-88 ridges.
* Min humidity........22-32 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 7 to 13 mph. Gusts to 30 mph in
the afternoon.
* Ridges/upr slopes....West winds 6 to 12 mph increasing to 12 to
18 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Southwest around 10 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (59-143) increasing to high to very high
(658-1014) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 53 to 59. Highs 82 to 89. West winds 9 to
15 mph.
.MONDAY...Clear. Lows 54 to 60. Highs 83 to 90. West winds 6 to
12 mph.
.TUESDAY...Clear. Lows 55 to 61. Highs 82 to 91. West winds 5 to
11 mph.
.WEDNESDAY...Clear. Lows 55 to 60. Highs 86 to 93. West winds
4 to 9 mph.
.THURSDAY...Mostly clear. Lows 57 to 62. Highs 87 to 95. West
winds 3 to 8 mph.
$$
ORZ692-WAZ692-241130-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 7 PM PDT THIS EVENING...
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke.
* Min temperature.....56-65.
* Max humidity........52-67 percent.
* Humidity recovery...Moderate.
* 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 1 to 6 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low to moderate (109-225) decreasing to low
(32-46) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....88-96...except 81-87 ridges.
* Min humidity........20-26 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 west 1 to 5
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (37-67) increasing to moderate to high
(280-506) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Clear. Patchy smoke.
* Min temperature.....54-64.
* Max humidity........48-63 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph.
* Ridges/upr slopes....Northwest winds 2 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (136-194) decreasing to low (34-46) after
midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90...except 75-82 ridges.
* Min humidity........23-33 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....light less than 5 mph becoming west 2 to 7
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Low (41-89) increasing to moderate to high
(389-633) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 48 to 57. Highs 75 to 85. West winds 6 to
12 mph.
.MONDAY...Clear. Lows 49 to 58. Highs 75 to 86. West winds 1 to
6 mph.
.TUESDAY...Clear. Lows 50 to 58. Highs 75 to 86. West winds 1 to
6 mph.
.WEDNESDAY...Clear. Lows 50 to 58. Highs 78 to 89. Northwest
winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 52 to 61. Highs 80 to 91.
Northwest winds 1 to 6 mph.
$$
ORZ693-WAZ693-241130-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING...
.TONIGHT...
* Sky/weather.........Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Patchy smoke.
* Min temperature.....55-66.
* Max humidity........57-72 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds up to 5 mph.
* CWR.................0 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Low (27-69) decreasing to low (25-29) after
midnight.
.FRIDAY...
* Sky/weather.........Sunny. Patchy smoke.
* Max temperature.....91-100...except 86-93 ridges.
* Min humidity........15-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 1 to 6
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming west 4 to 9
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South around 5 mph increasing to southwest
around 15 mph in the afternoon.
* Ventilation Index...Low (25-40) increasing to high to very high
(575-935) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....55-66.
* Max humidity........42-57 percent...except 39-44 percent ridges.
* Humidity recovery...Moderate...except Poor 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 3 to 8 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low (136-194) decreasing to low (25-26) after
midnight.
.SATURDAY...
* Sky/weather.........Sunny.
* Max temperature.....88-97...except 83-90 ridges.
* Min humidity........12-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 3 to 8
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming west 7 to 13
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (32-50) increasing to high to very high
(646-918) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 49 to 60. Highs 81 to 91. Northwest winds
5 to 11 mph.
.MONDAY...Clear. Lows 49 to 59. Highs 81 to 90. Northwest winds
4 to 9 mph.
.TUESDAY...Clear. Lows 50 to 60. Highs 82 to 91. Northwest winds
3 to 8 mph.
.WEDNESDAY...Clear. Lows 50 to 60. Highs 84 to 94. North winds
2 to 7 mph.
.THURSDAY...Mostly clear. Lows 52 to 62. Highs 87 to 96. North
winds 2 to 7 mph.
$$
ORZ701-241130-
Eastern Columbia River Gorge of Oregon-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Clear. Patchy smoke in the evening.
* Min temperature.....55-62.
* Max humidity........62-77 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph. In the eastern
Columbia River Gorge, gusts to 25 mph in the evening.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (194-282) decreasing to low
(31-55) after midnight.
.FRIDAY...
* Sky/weather.........Sunny. Patchy smoke in the afternoon.
* Max temperature.....90-95...except 85-91 ridges.
* Min humidity........24-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 4
to 9 mph in the afternoon. In the eastern Columbia River
Gorge, west winds 4 to 9 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8000 ft agl.
* Transport winds.....West around 10 mph.
* Ventilation Index...Low (41-95) increasing to moderate (344-446)
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....54-60.
* Max humidity........68-83 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 8 to 14 mph with gusts up to 25
mph...except west 8 to 14 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.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (272-380) decreasing to low (33-71)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-85...except 75-83 ridges.
* Min humidity........30-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph increasing to 7 to 13
mph with gusts up to 30 mph in the afternoon. In the eastern
Columbia River Gorge, west winds 8 to 14 mph, Gusts to 30 mph
in the afternoon.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West around 10 mph increasing to around 20
mph in the afternoon.
* Ventilation Index...Low (46-130) increasing to high to very high
(624-888) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 50 to 56. Highs 79 to 84. West winds
7 to 13 mph.
.MONDAY...Mostly clear. Lows 50 to 56. Highs 80 to 86. West winds
4 to 10 mph.
.TUESDAY...Mostly clear. Lows 51 to 57. Highs 79 to 85. West
winds 4 to 10 mph.
.WEDNESDAY...Mostly clear. Lows 50 to 56. Highs 83 to 89.
Northwest winds 3 to 8 mph.
.THURSDAY...Clear. Lows 52 to 58. Highs 84 to 90. Northwest winds
2 to 7 mph.
$$
ORZ702-241130-
East Slopes of the Mt. Hood National Forest-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
* Min temperature.....52-59.
* Max humidity........57-72 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Low to moderate (153-201) decreasing to low
(36-50) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....87-94...except 80-87 ridges.
* Min humidity........24-37 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.....Southwest 5 to 10 mph.
* Ventilation Index...Low (38-64) increasing to moderate (357-481)
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....49-56.
* Max humidity........66-81 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West around 20 mph decreasing to around 10
mph after midnight.
* Ventilation Index...Moderate (261-355) decreasing to low (43-63)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....75-84...except 69-78 ridges.
* Min humidity........32-47 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 4 to 9
mph in the afternoon.
* 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.......6500 ft agl.
* Transport winds.....West around 10 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Low (64-94) increasing to very high (722-942)
in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 46 to 53. Highs 69 to 83. West winds
4 to 9 mph.
.MONDAY...Mostly clear. Lows 46 to 53. Highs 71 to 84. West winds
1 to 6 mph.
.TUESDAY...Mostly clear. Lows 47 to 54. Highs 70 to 84. West
winds 1 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 46 to 54. Highs 74 to 87.
Northwest winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 49 to 56. Highs 75 to 89. Terrain
driven winds less than 5 mph.
$$
ORZ695-241130-
Eagle Cap Wilderness-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...
.TONIGHT...
* Sky/weather.........Mostly clear. A slight chance of showers and
thunderstorms in the evening. Patchy smoke.
* Min temperature.....56-62.
* Max humidity........57-71 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 2 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....10 percent (very low chance).
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 5 mph.
* Ventilation Index...Low (39-135) decreasing to low (25-31) after
midnight.
.FRIDAY...
* Sky/weather.........Sunny. Patchy smoke.
* Max temperature.....88-99...except 77-89 ridges.
* Min humidity........12-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 4 to 9 mph.
* Ridges/upr slopes....Southwest winds 5 to 11 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (25-91) increasing to very high
(812-1050) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Clear. Areas of smoke.
* Min temperature.....55-61.
* Max humidity........36-51 percent.
* Humidity recovery...Poor.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 3 to 8 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (125-261) decreasing to low
(25-35) after midnight.
.SATURDAY...
* Sky/weather.........Sunny.
* Max temperature.....84-94...except 73-85 ridges.
* Min humidity........10-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 7
to 13 mph with gusts up to 25 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 3 to 8 mph increasing to 9
to 15 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (25-82) increasing to very high
(868-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 49 to 56. Highs 73 to 88. Northwest winds
8 to 14 mph.
.MONDAY...Clear. Lows 48 to 55. Highs 72 to 87. Northwest winds
4 to 9 mph.
.TUESDAY...Clear. Lows 49 to 56. Highs 74 to 89. Northwest winds
3 to 8 mph.
.WEDNESDAY...Clear. Lows 49 to 56. Highs 76 to 91. Northwest
winds 2 to 7 mph.
.THURSDAY...Mostly clear. Lows 52 to 59. Highs 78 to 93. West
winds 2 to 7 mph.
$$
ORZ694-241130-
Grande Ronde Valley of Oregon-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening,
then areas of smoke after midnight.
* Min temperature.....58-63.
* Max humidity........64-76 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low (94-144) decreasing to low (25-43) after
midnight.
.FRIDAY...
* Sky/weather.........Sunny. Patchy smoke.
* Max temperature.....96-101.
* Min humidity........16-23 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming north 2 to 7
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low (29-49) increasing to moderate to very
high (386-772) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Clear. Areas of smoke.
* Min temperature.....57-62.
* Max humidity........52-62 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.......500 ft agl.
* Transport winds.....Northwest around 10 mph.
* Ventilation Index...Low to moderate (160-240) decreasing to low
(26-44) after midnight.
.SATURDAY...
* Sky/weather.........Sunny.
* Max temperature.....92-97.
* Min humidity........14-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Northwest around 5 mph increasing to
southwest around 15 mph in the afternoon.
* Ventilation Index...Low (30-50) increasing to high to very high
(570-858) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 51 to 56. Highs 87 to 92. Northwest winds
8 to 14 mph.
.MONDAY...Clear. Lows 51 to 56. Highs 86 to 91. Northwest winds
6 to 12 mph.
.TUESDAY...Clear. Lows 52 to 57. Highs 86 to 91. Northwest winds
5 to 11 mph.
.WEDNESDAY...Clear. Lows 51 to 56. Highs 90 to 95. Northwest
winds 4 to 9 mph.
.THURSDAY...Mostly clear. Lows 54 to 59. Highs 92 to 97.
Northwest winds 4 to 9 mph.
$$
ORZ699-241130-
Western Forested Blue Mountains-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....53-59.
* Max humidity........58-72 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (167-313) decreasing to low
(25-32) after midnight.
.FRIDAY...
* Sky/weather.........Sunny. Patchy smoke.
* Max temperature.....90-96...except 84-90 ridges.
* Min humidity........11-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 1 to 5
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 1
to 6 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (25-53) increasing to high to very high
(661-1050) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....53-58.
* Max humidity........49-64 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 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 around 10 mph.
* Ventilation Index...Low to moderate (174-348) decreasing to low
(25-38) after midnight.
.SATURDAY...
* Sky/weather.........Sunny.
* Max temperature.....84-91...except 79-86 ridges.
* Min humidity........12-24 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 4
to 9 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (25-43) increasing to very high
(850-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 47 to 53. Highs 77 to 86. Northwest winds
3 to 8 mph.
.MONDAY...Clear. Lows 47 to 53. Highs 76 to 86. Northwest winds
2 to 7 mph.
.TUESDAY...Clear. Lows 48 to 53. Highs 76 to 86. Northwest winds
1 to 6 mph.
.WEDNESDAY...Clear. Lows 48 to 53. Highs 79 to 89. North winds
1 to 6 mph.
.THURSDAY...Mostly clear. Lows 50 to 56. Highs 81 to 91.
Northwest winds 1 to 6 mph.
$$
ORZ696-241130-
John Day Valley-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....56-61.
* Max humidity........58-70 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Moderate (277-371) decreasing to low (25-28)
after midnight.
.FRIDAY...
* Sky/weather.........Sunny. Patchy smoke.
* Max temperature.....91-99...except 86-91 ridges.
* Min humidity........9-16 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming west 2 to 6
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (25-34) increasing to high to very high
(675-1050) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....55-60.
* Max humidity........50-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Moderate (295-485) decreasing to low (25-31)
after midnight.
.SATURDAY...
* Sky/weather.........Sunny.
* Max temperature.....85-94...except 80-86 ridges.
* Min humidity........11-21 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 5
to 11 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 4
to 10 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (25-35) increasing to very high
(879-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 50 to 55. Highs 81 to 91. Northwest winds
4 to 9 mph.
.MONDAY...Mostly clear. Lows 50 to 55. Highs 81 to 90. Northwest
winds 4 to 9 mph.
.TUESDAY...Clear. Lows 50 to 56. Highs 81 to 90. Northwest winds
2 to 7 mph.
.WEDNESDAY...Mostly clear. Lows 50 to 56. Highs 84 to 93. North
winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 52 to 58. Highs 86 to 95.
Northwest winds 1 to 6 mph.
$$
ORZ700-241130-
Central Mountains of Oregon-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 8 PM PDT
SATURDAY...
.TONIGHT...
* Sky/weather.........Mostly clear. Smoky in the evening, then
areas of smoke after midnight.
* Min temperature.....49-58.
* Max humidity........63-78 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....North winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 15 mph becoming north around
5 mph after midnight.
* Ventilation Index...Moderate (276-418) decreasing to low (25-33)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Areas of smoke.
* Max temperature.....91-96...except 84-90 ridges.
* Min humidity........9-20 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11500 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (25-40) increasing to high to very high
(695-1050) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Smoky in the evening. Areas of
smoke after midnight.
* Min temperature.....49-57.
* Max humidity........66-81 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 in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest around 15 mph decreasing to around
5 mph after midnight.
* Ventilation Index...Moderate to high (351-577) decreasing to low
(25-34) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-90...except 78-84 ridges.
* Min humidity........12-22 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 5
to 11 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 4
to 10 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (27-55) increasing to very high
(970-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 45 to 52. Highs 82 to 88. West winds 5 to
11 mph.
.MONDAY...Mostly clear. Lows 45 to 52. Highs 82 to 88. Northwest
winds 4 to 9 mph.
.TUESDAY...Mostly clear. Lows 46 to 53. Highs 82 to 87. Northwest
winds 4 to 9 mph.
.WEDNESDAY...Mostly clear. Lows 46 to 53. Highs 85 to 91.
Northwest winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 48 to 55. Highs 86 to 92. West
winds 1 to 6 mph.
$$
ORZ703-241130-
Warm Springs Reservation-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....55-60.
* Max humidity........58-71 percent.
* Humidity recovery...Moderate...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 4 to 10 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (201-289) decreasing to low (25-41)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....89-98...except 76-87 ridges.
* Min humidity........21-26 percent...except 27-41 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 1 to 6
mph in the afternoon.
* 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.......9000 ft agl.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Low (31-53) increasing to moderate to high
(463-607) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....52-59.
* Max humidity........66-78 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph.
* Ridges/upr slopes....West winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (318-444) decreasing to low (30-58)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-89...except 65-77 ridges.
* Min humidity........22-32 percent...except 33-48 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 6 to
12 mph in the afternoon.
* Ridges/upr slopes....West winds 2 to 6 mph increasing to 7 to 13
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....West around 10 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Low (35-83) increasing to very high
(876-1032) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 48 to 53. Highs 75 to 89. West winds
6 to 12 mph.
.MONDAY...Mostly clear. Lows 48 to 54. Highs 77 to 90. West winds
4 to 10 mph.
.TUESDAY...Clear. Lows 49 to 55. Highs 76 to 89. West winds 4 to
9 mph.
.WEDNESDAY...Mostly clear. Lows 49 to 54. Highs 80 to 92.
Northwest winds 3 to 8 mph.
.THURSDAY...Mostly clear. Lows 51 to 56. Highs 80 to 94.
Northwest winds 2 to 7 mph.
$$
ORZ704-241130-
Northern Deschutes National Forest-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM PDT SATURDAY...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening,
then areas of smoke after midnight.
* Min temperature.....49-56.
* Max humidity........67-82 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 3 to 8 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Low to moderate (167-241) decreasing to low
(25-28) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Areas of smoke in the morning,
then patchy smoke in the afternoon.
* Max temperature.....88-93...except 74-84 ridges.
* Min humidity........22-27 percent...except 27-41 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7
mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming west 4 to 9
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
15 mph in the afternoon.
* Ventilation Index...Low (28-66) increasing to high to very high
(520-726) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
* Min temperature.....47-54.
* Max humidity........73-88 percent.
* Humidity recovery...Excellent...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.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Moderate (254-332) decreasing to low (30-46)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-84...except 65-75 ridges.
* Min humidity........25-30 percent...except 32-47 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming west 4 to
10 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 2 to 7 mph shifting to the
west 7 to 13 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....Southwest around 10 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (46-110) increasing to very high
(893-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 43 to 49. Highs 71 to 84. West winds
5 to 11 mph.
.MONDAY...Clear. Lows 43 to 49. Highs 72 to 86. West winds 4 to
10 mph.
.TUESDAY...Clear. Lows 43 to 50. Highs 72 to 85. West winds 4 to
9 mph.
.WEDNESDAY...Clear. Lows 44 to 50. Highs 76 to 89. North winds
2 to 7 mph.
.THURSDAY...Mostly clear. Lows 46 to 53. Highs 77 to 90.
Northwest winds 1 to 6 mph.
$$
ORZ705-241130-
Southern Deschutes National Forest-
151 PM PDT Thu Jul 23 2026
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....46-53.
* Max humidity........78-93 percent.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 1 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....Northwest 5 to 10 mph.
* Ventilation Index...Low to moderate (137-295) decreasing to low
(25-29) after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Areas of smoke in the morning,
then patchy smoke in the afternoon.
* Max temperature.....87-92...except 76-86 ridges.
* Min humidity........12-27 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 7 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South around 5 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Low (48-82) increasing to very high
(896-1050) in the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....44-50.
* Max humidity........79-93 percent...except 68-83 percent ridges.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Moderate (231-433) decreasing to low (25-29)
after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-84...except 68-77 ridges.
* Min humidity........17-32 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 5
to 8 mph in the afternoon.
* 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 increasing to around
25 mph in the afternoon.
* Ventilation Index...Low (46-90) increasing to very high
(1000-1050) in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 40 to 46. Highs 73 to 84. West winds 2 to
7 mph.
.MONDAY...Mostly clear. Lows 40 to 46. Highs 74 to 85. West winds
1 to 6 mph.
.TUESDAY...Mostly clear. Lows 41 to 47. Highs 74 to 86. West
winds 1 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 41 to 48. Highs 78 to 89. West
winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 43 to 50. Highs 79 to 91. West
winds 1 to 6 mph.
$$
ORZ697-241130-
Central Blue Mountains-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM PDT SATURDAY...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....51-59.
* Max humidity........53-68 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Northwest winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....North 5 to 10 mph.
* Ventilation Index...Moderate (288-358) decreasing to low (25-33)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....86-92.
* Min humidity........6-11 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 3 to 8 mph.
* Ridges/upr slopes....Southwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (28-78) increasing to very high (1050) in
the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Areas of smoke.
* Min temperature.....51-59.
* Max humidity........32-47 percent.
* Humidity recovery...Poor.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 15 mph becoming northwest around
5 mph after midnight.
* Ventilation Index...Moderate to high (492-588) decreasing to low
(25-34) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-88.
* Min humidity........8-13 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 6
to 12 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 6
to 12 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....Southwest around 10 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (41-85) increasing to very high (1050) in
the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 46 to 53. Highs 80 to 86. West winds 3 to
8 mph.
.MONDAY...Mostly clear. Lows 46 to 53. Highs 79 to 85. Northwest
winds 2 to 7 mph.
.TUESDAY...Mostly clear. Lows 47 to 54. Highs 80 to 86. Northwest
winds 2 to 7 mph.
.WEDNESDAY...Mostly clear. Lows 46 to 54. Highs 83 to 89.
Northwest winds 1 to 6 mph.
.THURSDAY...Mostly clear. Lows 48 to 56. Highs 84 to 90. West
winds 2 to 7 mph.
$$
ORZ698-241130-
Southern Blue Mountains-
151 PM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 8 PM PDT
SATURDAY...
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy smoke.
* Min temperature.....51-59.
* Max humidity........49-64 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.......500 ft agl.
* Transport winds.....North around 10 mph.
* Ventilation Index...Moderate (297-401) decreasing to low (31-41)
after midnight.
.FRIDAY...
* Sky/weather.........Mostly sunny. Patchy smoke.
* Max temperature.....89-95.
* Min humidity........4-9 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....Southwest around 5 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (33-59) increasing to very high (1050) in
the afternoon.
.FRIDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy smoke in the evening.
Areas of smoke after midnight.
* Min temperature.....51-59.
* Max humidity........37-52 percent.
* Humidity recovery...Moderate...except Poor ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds 1 to 5 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......500 ft agl.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...High to very high (631-831) decreasing to low
(32-46) after midnight.
.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-91.
* Min humidity........6-11 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 6
to 11 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 5
to 10 mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Southwest around 10 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Low (48-82) increasing to very high (1050) in
the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Clear. Lows 47 to 55. Highs 83 to 89. West winds 4 to
9 mph.
.MONDAY...Mostly clear. Lows 47 to 55. Highs 82 to 88. Northwest
winds 4 to 10 mph.
.TUESDAY...Mostly clear. Lows 47 to 55. Highs 83 to 89. Northwest
winds 4 to 9 mph.
.WEDNESDAY...Mostly clear. Lows 47 to 55. Highs 86 to 92. West
winds 3 to 8 mph.
.THURSDAY...Mostly clear. Lows 49 to 57. Highs 87 to 94. West
winds 2 to 7 mph.
$$
.8-14 DAY OUTLOOK for Friday July 31 through Thursday August 6...
A greater chance of above seasonal temperatures and below seasonal
precipitation.
$$