FNUS56 KPDT 192018 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 118 PM PDT Tue May 19 2026 .DISCUSSION...Isolated showers across the mountains today and tomorrow. Otherwise, warming and mostly dry conditions will persist through the week. Diurnally driven, breezy westerly winds through the Cascade gaps today, followed by a wind reversal to mostly light easterly to northeasterly (offshore) late Wednesday and Thursday. ***Winds are 20 foot 10 minute averages *** ***CWR: Chance of wetting rain 0.10 or greater *** ***Ventilation Index is derived from transport wind multiplied by the mixing height in 100's of ft. Categories are a generalized indicator and users are encourage to develop criteria that are suitable and representative of dispersion conditions in their local area of interest. Categories: low (< 200), moderate (200-500), high (500-700), and very high (> 700). -Note: Max transport winds may not occur at the same time as max mixing height. *** WAZ695-201145- East Washington South Central Cascade Mountains- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....37-44. * Max humidity........76-91 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 11 mph. * Ridges/upr slopes....Northwest winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest around 15 mph. * Ventilation Index...Low to moderate (176-356) decreasing to low (44-78) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....62-70...except 53-61 ridges. * Min humidity........38-53 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Low (84-142) increasing to moderate (267-401) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....38-45. * Max humidity........66-81 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Low to moderate (155-239) decreasing to low (28-44) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....66-74...except 58-65 ridges. * Min humidity........28-40 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 1 to 6 mph in the afternoon. * Ridges/upr slopes....Northeast winds 1 to 5 mph shifting to the southeast 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Northeast around 10 mph. * Ventilation Index...Low (36-98) increasing to low to moderate (155-435) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 41 to 47. Highs 62 to 75. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 42 to 49. Highs 62 to 75. West winds 4 to 9 mph. .SUNDAY...Partly cloudy. Lows 41 to 48. Highs 59 to 71. West winds 5 to 11 mph. .MEMORIAL DAY...Cooler. Mostly cloudy with a chance of rain and snow showers. Lows 38 to 45. Highs 46 to 58. West winds 7 to 13 mph. .TUESDAY...Partly cloudy with a slight chance of showers. Lows 32 to 39. Highs 50 to 62. Northwest winds 6 to 12 mph. $$ WAZ690-201145- Kittitas Valley- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....44-49. * Max humidity........65-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 10 to 16 mph. Gusts to 30 mph in the evening. * Ridges/upr slopes....Northwest winds 10 to 16 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest 15 to 20 mph. * Ventilation Index...Moderate to high (416-580) decreasing to low (46-76) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....69-76...except 61-69 ridges. * Min humidity........27-37 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph in the morning becoming upslope less than 5 mph. * Ridges/upr slopes....North winds 5 to 11 mph in the morning becoming light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (111-189) increasing to moderate (291-397) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....45-51. * Max humidity........53-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 11 mph. * Ridges/upr slopes....Northwest winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Moderate (236-314) decreasing to low (40-50) after midnight. .THURSDAY... * Sky/weather.........Partly cloudy. * Max temperature.....71-78...except 62-71 ridges. * Min humidity........20-28 percent. * 20-foot winds....... * Valleys/lwr slopes...North winds 1 to 5 mph shifting to the east 2 to 7 mph in the afternoon. * Ridges/upr slopes....North winds 2 to 7 mph shifting to the east 3 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Low (68-112) increasing to moderate to high (290-518) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 48 to 53. Highs 74 to 82. West winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 50 to 55. Highs 75 to 84. Northwest winds 5 to 11 mph. .SUNDAY...Partly cloudy. Lows 49 to 54. Highs 72 to 81. West winds 9 to 15 mph. .MEMORIAL DAY...Cooler. A slight chance of showers. Mostly cloudy. Lows 46 to 51. Highs 60 to 68. West winds 9 to 15 mph. .TUESDAY...Mostly clear. Lows 40 to 45. Highs 63 to 71. Northwest winds 9 to 15 mph. $$ WAZ694-201145- Yakama Alpine District- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....39-45. * Max humidity........77-92 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Low to moderate (181-279) decreasing to low (25-44) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....66-72...except 56-67 ridges. * Min humidity........35-50 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 northwest 1 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Low (36-78) increasing to low to moderate (191-335) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....43-49...except 38-46 ridges. * Max humidity........60-75 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (121-161) decreasing to low (26-36) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....70-77...except 60-71 ridges. * Min humidity........23-34 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 2 to 5 mph in the afternoon. * Ridges/upr slopes....East winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Northeast around 10 mph. * Ventilation Index...Low (60-118) increasing to moderate (265-499) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 43 to 51. Highs 67 to 79. West winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 44 to 52. Highs 68 to 79. West winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 43 to 50. Highs 63 to 75. West winds 4 to 9 mph. .MEMORIAL DAY...Cooler. A slight chance of showers. Mostly cloudy. Lows 41 to 48. Highs 50 to 62. West winds 7 to 13 mph. .TUESDAY...Partly cloudy. Lows 34 to 41. Highs 55 to 67. West winds 5 to 11 mph. $$ ORZ691-WAZ691-201145- Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Min temperature.....44-49. * Max humidity........71-84 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 6 to 12 mph. * 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 (289-473) decreasing to low (26-50) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....69-77...except 66-72 ridges. * Min humidity........26-37 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Low (68-146) increasing to moderate (314-456) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....46-51. * Max humidity........61-76 percent. * Humidity recovery...Good...except Moderate ridges. * 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.....Northwest around 10 mph. * Ventilation Index...Low to moderate (110-238) decreasing to low (25-38) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....73-80...except 69-75 ridges. * Min humidity........19-25 percent. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 7 mph. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Low (29-77) increasing to moderate to high (428-610) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 48 to 53. Highs 77 to 84. Southwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 50 to 55. Highs 78 to 86. Southwest winds 3 to 8 mph. .SUNDAY...Mostly clear. Lows 50 to 55. Highs 76 to 84. West winds 7 to 13 mph. .MEMORIAL DAY...Cooler. Mostly cloudy. Lows 48 to 53. Highs 64 to 73. West winds 9 to 15 mph. .TUESDAY...A slight chance of showers. Mostly clear. Lows 40 to 45. Highs 65 to 73. West winds 7 to 13 mph. $$ ORZ692-WAZ692-201145- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....39-46. * Max humidity........74-89 percent. * Humidity recovery...Excellent. * 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 2 to 7 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 (184-266) decreasing to low (31-43) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Max temperature.....60-69...except 54-59 ridges. * Min humidity........40-54 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Low (75-117) increasing to moderate (287-401) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....39-46. * Max humidity........67-82 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low to moderate (98-206) decreasing to low (25-33) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....64-72...except 58-63 ridges. * Min humidity........31-42 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (35-85) increasing to moderate to high (421-565) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 41 to 48. Highs 65 to 76. Northeast winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 44 to 51. Highs 69 to 79. South winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 45 to 53. Highs 68 to 78. Southwest winds 1 to 6 mph. .MEMORIAL DAY...Cooler. A slight chance of showers. Partly cloudy. Lows 44 to 51. Highs 58 to 67. West winds 4 to 9 mph. .TUESDAY...Partly cloudy with a slight chance of showers. Lows 36 to 42. Highs 54 to 64. West winds 4 to 9 mph. $$ ORZ693-WAZ693-201145- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....36-45. * Max humidity........66-81 percent...except 62-70 percent ridges. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 5 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Low to moderate (189-261) decreasing to low (25-27) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. * Max temperature.....61-69...except 55-61 ridges. * Min humidity........37-46 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (63-91) increasing to moderate (336-470) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....37-45. * Max humidity........71-83 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 4 to 10 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 (153-233) decreasing to low (25-27) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....63-72...except 57-64 ridges. * Min humidity........27-34 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 mph in the afternoon. * Ridges/upr slopes....North winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (31-85) increasing to moderate to high (498-660) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 39 to 47. Highs 68 to 76. North winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 42 to 50. Highs 73 to 81. Southwest winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 43 to 52. Highs 73 to 82. Southwest winds 3 to 8 mph. .MEMORIAL DAY...A slight chance of showers. Partly cloudy. Lows 43 to 51. Highs 64 to 74. West winds 4 to 9 mph. .TUESDAY...A chance of rain and snow showers. Partly cloudy. Lows 36 to 43. Highs 56 to 65. Northwest winds 4 to 9 mph. $$ ORZ701-201145- Eastern Columbia River Gorge of Oregon- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....42-48. * Max humidity........77-89 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...West winds 9 to 15 mph with gusts up to 30 mph decreasing to 3 to 8 mph after midnight. In the eastern Columbia River Gorge, west winds 7 to 13 mph, Gusts to 30 mph in the evening. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Moderate (255-407) decreasing to low (31-51) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....70-75...except 65-70 ridges. * Min humidity........33-42 percent. * 20-foot winds....... * Valleys/lwr slopes...Winds 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.......6000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (53-109) increasing to moderate (254-368) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....44-49. * Max humidity........68-80 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 5 to 10 mph. * Ventilation Index...Low (145-183) decreasing to low (25-32) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....75-80. * Min humidity........21-26 percent. * 20-foot winds....... * Valleys/lwr slopes...East winds 2 to 5 mph in the afternoon. Upslope less than 5 mph in the morning. In the eastern Columbia River Gorge, east winds 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northeast 3 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Northeast 5 to 10 mph. * Ventilation Index...Low (25-35) increasing to moderate (389-469) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 48 to 53. Highs 78 to 83. West winds up to 5 mph. .SATURDAY...Mostly clear. Lows 48 to 53. Highs 76 to 81. West winds 4 to 9 mph. .SUNDAY...Partly cloudy. Lows 47 to 52. Highs 74 to 79. West winds 6 to 12 mph. .MEMORIAL DAY...Cooler. Mostly cloudy with a slight chance of showers. Lows 45 to 50. Highs 61 to 66. West winds 7 to 13 mph. .TUESDAY...Mostly clear. Lows 39 to 44. Highs 65 to 70. West winds 5 to 11 mph. $$ ORZ702-201145- East Slopes of the Mt. Hood National Forest- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....37-44. * Max humidity........78-93 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...West winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Moderate (213-281) decreasing to low (38-56) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....66-72...except 59-68 ridges. * Min humidity........35-50 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Low (49-87) increasing to low to moderate (180-270) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....40-47. * Max humidity........65-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Low (127-157) decreasing to low (25-29) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....71-77...except 64-72 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 becoming east 1 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....East around 10 mph. * Ventilation Index...Low (41-103) increasing to moderate to high (430-512) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 43 to 50. Highs 68 to 80. Terrain driven winds less than 5 mph. .SATURDAY...Mostly clear. Lows 43 to 50. Highs 67 to 79. West winds 1 to 6 mph. .SUNDAY...Partly cloudy. Lows 42 to 49. Highs 65 to 76. West winds 3 to 8 mph. .MEMORIAL DAY...Cooler. Mostly cloudy with a chance of rain and snow showers. Lows 40 to 47. Highs 50 to 62. West winds 4 to 9 mph. .TUESDAY...A slight chance of showers. Partly cloudy. Lows 33 to 40. Highs 53 to 65. West winds 3 to 8 mph. $$ ORZ695-201145- Eagle Cap Wilderness- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....37-43...except 31-39 ridges. * Max humidity........65-76 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low to moderate (150-228) decreasing to low (25-34) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Max temperature.....58-68...except 47-58 ridges. * Min humidity........32-47 percent...except 44-59 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (62-110) increasing to moderate (307-441) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....38-43...except 32-39 ridges. * Max humidity........68-83 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 3 to 8 mph. * Ridges/upr slopes....North winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....North 10 to 15 mph. * Ventilation Index...Moderate (201-299) decreasing to low (31-57) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....61-72...except 50-61 ridges. * Min humidity........25-40 percent. * 20-foot winds....... * Valleys/lwr slopes...North winds 3 to 8 mph. * Ridges/upr slopes....North winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....North 10 to 15 mph. * Ventilation Index...Low to moderate (98-242) increasing to high to very high (574-774) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 35 to 44. Highs 59 to 74. North winds 3 to 8 mph. .SATURDAY...Mostly clear. Lows 39 to 48. Highs 63 to 78. Southwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 40 to 49. Highs 64 to 79. West winds 4 to 10 mph. .MEMORIAL DAY...Partly cloudy with a slight chance of showers. Lows 41 to 49. Highs 58 to 73. West winds 5 to 11 mph. .TUESDAY...Cooler. Partly cloudy with a chance of rain and snow showers. Lows 30 to 40. Highs 47 to 62. Northwest winds 5 to 11 mph. $$ ORZ694-201145- Grande Ronde Valley of Oregon- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....36-41. * Max humidity........81-94 percent. * Humidity recovery...Excellent. * 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 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 5 to 10 mph. * Ventilation Index...Low to moderate (190-254) decreasing to low (25-31) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....66-71. * Min humidity........36-41 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....North winds 2 to 5 mph increasing to 5 to 11 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (63-121) increasing to moderate to high (415-563) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....38-43. * Max humidity........78-92 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 11 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 7 to 13 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Low to moderate (186-276) decreasing to low (25-39) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....69-74. * Min humidity........26-31 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 5 mph shifting to the north 5 to 11 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 5 mph increasing to north 8 to 13 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....North 10 to 15 mph. * Ventilation Index...Low (45-111) increasing to high to very high (624-768) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 39 to 44. Highs 74 to 79. North winds 4 to 9 mph. .SATURDAY...Mostly clear. Lows 42 to 47. Highs 78 to 83. Southwest winds up to 5 mph. .SUNDAY...Mostly clear. Lows 44 to 49. Highs 78 to 83. West winds 1 to 6 mph. .MEMORIAL DAY...A slight chance of showers. Partly cloudy. Lows 43 to 48. Highs 69 to 74. Northwest winds 4 to 10 mph. .TUESDAY...Partly cloudy with a slight chance of showers. Lows 36 to 41. Highs 62 to 67. Northwest winds 7 to 13 mph. $$ ORZ699-201145- Western Forested Blue Mountains- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....36-41. * Max humidity........74-89 percent. * Humidity recovery...Excellent...except Good ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds up 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...Moderate (259-369) decreasing to low (25-37) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....62-68...except 56-63 ridges. * Min humidity........33-45 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 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.......8000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (66-102) increasing to moderate (344-458) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....37-42. * Max humidity........68-83 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 1 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North 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.....North around 10 mph. * Ventilation Index...Moderate (213-303) decreasing to low (25-43) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....65-71...except 59-66 ridges. * Min humidity........22-31 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 1 to 6 mph in the afternoon. * Ridges/upr slopes....North winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Low (55-175) increasing to high to very high (624-734) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 39 to 44. Highs 66 to 75. North winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 42 to 47. Highs 70 to 78. West winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 43 to 48. Highs 70 to 79. West winds 1 to 6 mph. .MEMORIAL DAY...Cooler. A slight chance of showers. Partly cloudy. Lows 42 to 47. Highs 60 to 69. West winds 2 to 7 mph. .TUESDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 33 to 38. Highs 54 to 63. Northwest winds 4 to 9 mph. $$ ORZ696-201145- John Day Valley- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....38-43. * Max humidity........72-84 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph 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 (324-418) decreasing to low (25-30) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....65-73...except 60-65 ridges. * Min humidity........27-34 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 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.......7500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (59-83) increasing to moderate (357-461) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....39-45. * Max humidity........68-79 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 3 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 (249-315) decreasing to low (25-30) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....68-76...except 63-68 ridges. * Min humidity........18-23 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 1 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 3 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (33-71) increasing to high to very high (619-713) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 41 to 47. Highs 72 to 81. North winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 75 to 84. Northwest winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 75 to 84. West winds 2 to 7 mph. .MEMORIAL DAY...Cooler. Partly cloudy. Lows 44 to 49. Highs 65 to 74. West winds 4 to 9 mph. .TUESDAY...Partly cloudy with a slight chance of showers. Lows 35 to 40. Highs 60 to 69. Northwest winds 5 to 11 mph. $$ ORZ700-201145- Central Mountains of Oregon- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Min temperature.....35-42. * Max humidity........74-85 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 4 to 9 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 around 15 mph decreasing to around 5 mph after midnight. * Ventilation Index...Moderate to high (406-558) decreasing to low (26-42) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....67-73...except 60-66 ridges. * Min humidity........23-30 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 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.......7500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (54-92) increasing to moderate (367-469) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....37-43. * Max humidity........70-81 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 3 to 8 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North 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.....North 10 to 15 mph. * Ventilation Index...Moderate (294-440) decreasing to low (25-52) after midnight. .THURSDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....71-77...except 63-69 ridges. * Min humidity........15-20 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northeast 2 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....Northeast 5 to 10 mph. * Ventilation Index...Low (31-95) increasing to moderate to high (489-663) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 39 to 46. Highs 74 to 81. North winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 42 to 48. Highs 76 to 83. Northwest winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 42 to 47. Highs 76 to 83. West winds 3 to 8 mph. .MEMORIAL DAY...Cooler. Partly cloudy with a slight chance of showers. Lows 41 to 46. Highs 64 to 71. West winds 6 to 12 mph. .TUESDAY...A slight chance of showers. Partly cloudy. Lows 31 to 37. Highs 62 to 68. Northwest winds 5 to 11 mph. $$ ORZ703-201145- Warm Springs Reservation- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....40-45. * Max humidity........76-87 percent. * Humidity recovery...Good...except Excellent ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 6 to 12 mph shifting to the west 1 to 6 mph after midnight. * Ridges/upr slopes....West winds 7 to 13 mph decreasing to 2 to 7 mph after midnight. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Moderate (272-410) decreasing to low (27-55) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....68-76...except 57-66 ridges. * Min humidity........26-35 percent...except 37-52 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 2 to 7 mph in the afternoon. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low (50-82) increasing to moderate (265-403) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....41-46. * Max humidity........66-79 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 3 to 8 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.......500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Low to moderate (175-281) decreasing to low (25-28) after midnight. .THURSDAY... * Sky/weather.........Partly cloudy. * Max temperature.....72-80...except 60-70 ridges. * Min humidity........17-25 percent...except 23-38 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 3 to 7 mph in the afternoon. * Ridges/upr slopes....East winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....Northeast 5 to 10 mph. * Ventilation Index...Low (25-75) increasing to moderate to high (450-566) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 44 to 49. Highs 72 to 84. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 72 to 85. West winds 3 to 8 mph. .SUNDAY...Mostly clear. Lows 43 to 48. Highs 70 to 84. West winds 6 to 12 mph. .MEMORIAL DAY...Cooler. A slight chance of showers. Mostly cloudy. Lows 42 to 47. Highs 54 to 69. West winds 7 to 13 mph. .TUESDAY...A chance of showers. Partly cloudy. Lows 35 to 40. Highs 58 to 71. Northwest winds 5 to 11 mph. $$ ORZ704-201145- Northern Deschutes National Forest- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Min temperature.....35-40. * Max humidity........76-90 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 4 to 10 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 (231-309) decreasing to low (25-32) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....69-75...except 55-66 ridges. * Min humidity........28-33 percent...except 37-52 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northeast 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Low (33-57) increasing to moderate (247-351) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....37-42. * Max humidity........66-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 1 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North 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...Low to moderate (164-266) decreasing to low (25-33) after midnight. .THURSDAY... * Sky/weather.........Partly cloudy. * Max temperature.....72-77...except 58-69 ridges. * Min humidity........20-25 percent...except 25-38 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 2 to 6 mph in the afternoon. * Ridges/upr slopes....East winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....Northeast around 10 mph. * Ventilation Index...Low (32-98) increasing to moderate to high (396-500) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 40 to 45. Highs 67 to 81. North winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 41 to 46. Highs 67 to 81. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 40 to 45. Highs 65 to 79. West winds 4 to 9 mph. .MEMORIAL DAY...Cooler. A slight chance of showers. Partly cloudy. Lows 38 to 44. Highs 51 to 64. West winds 6 to 12 mph. .TUESDAY...A slight chance of rain and snow showers. Partly cloudy. Lows 31 to 37. Highs 54 to 66. Northwest winds 4 to 9 mph. $$ ORZ705-201145- Southern Deschutes National Forest- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....33-38. * Max humidity........81-96 percent. * Humidity recovery...Excellent...except Good ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....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 (222-494) decreasing to low (25-46) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....66-72...except 56-65 ridges. * Min humidity........26-33 percent...except 30-45 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 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.......7500 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Low (57-77) increasing to moderate (286-384) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Min temperature.....35-40. * Max humidity........73-88 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Moderate (211-411) decreasing to low (28-52) after midnight. .THURSDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....70-75...except 60-69 ridges. * Min humidity........18-28 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....Northeast winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Northeast around 10 mph. * Ventilation Index...Low (64-110) increasing to moderate to high (421-519) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 37 to 42. Highs 70 to 80. North winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 39 to 44. Highs 70 to 80. West winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 38 to 43. Highs 69 to 80. West winds 1 to 6 mph. .MEMORIAL DAY...Cooler. Partly cloudy with a slight chance of showers. Lows 38 to 43. Highs 55 to 67. West winds 3 to 8 mph. .TUESDAY...A slight chance of rain and snow showers. Partly cloudy. Lows 30 to 35. Highs 57 to 66. Northwest winds 2 to 7 mph. $$ ORZ697-201145- Central Blue Mountains- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....34-39. * Max humidity........69-81 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 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 (336-416) decreasing to low (28-36) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....63-68...except 58-63 ridges. * Min humidity........30-35 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (87-117) increasing to moderate to high (450-528) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....36-41. * Max humidity........66-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 7 mph. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....North 10 to 15 mph. * Ventilation Index...Moderate (316-370) decreasing to low (37-57) after midnight. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....67-72...except 61-67 ridges. * Min humidity........19-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....North winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Low to moderate (91-213) increasing to very high (708-802) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 37 to 43. Highs 67 to 74. North winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 41 to 46. Highs 71 to 77. Northwest winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 42 to 47. Highs 72 to 78. West winds 3 to 8 mph. .MEMORIAL DAY...Partly cloudy. Lows 42 to 47. Highs 64 to 70. West winds 4 to 9 mph. .TUESDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 31 to 36. Highs 55 to 62. Northwest winds 5 to 11 mph. $$ ORZ698-201145- Southern Blue Mountains- 118 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....35-40. * Max humidity........67-82 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 6 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Moderate (392-496) decreasing to low (34-44) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....64-69...except 59-64 ridges. * Min humidity........23-29 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Low (99-125) increasing to moderate to high (480-558) in the afternoon. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....36-41. * Max humidity........69-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...North winds 3 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......500 ft agl. * Transport winds.....North 10 to 15 mph. * Ventilation Index...Moderate (369-455) decreasing to low (47-63) after midnight. .THURSDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....68-73. * 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.......9000 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Low (108-146) increasing to high to very high (664-788) in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 38 to 43. Highs 72 to 77. North winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 41 to 46. Highs 75 to 81. Northwest winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 42 to 48. Highs 76 to 82. West winds 3 to 8 mph. .MEMORIAL DAY...Partly cloudy. Lows 41 to 48. Highs 68 to 76. West winds 5 to 11 mph. .TUESDAY...A slight chance of rain and snow showers. Partly cloudy. Lows 32 to 37. Highs 60 to 65. Northwest winds 5 to 11 mph. $$ .8-14 DAY OUTLOOK for Wednesday May 27 through Tuesday June 2... A greater chance of near- to above-normal temperatures and near- normal precipitation. $$