295
FNUS56 KPDT 232059
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
159 PM PDT FRI OCT 23 2026
DISCUSSION
DRY CONDITIONS WILL PERSIST INTO THE WEEKEND AS A
RIDGE OF HIGH PRESSURE MOVES OVERHEAD. BREEZY WESTERLY TO
NORTHWESTERLY WINDS THIS AFTERNOON WILL TAPER OFF THIS EVENING
INTO EARLY TONIGHT, FOLLOWED BY MOSTLY LIGHT WINDS THIS WEEKEND;
THE EXCEPTION WILL BE PERIODS OF BREEZY SOUTHEASTERLY WINDS
THROUGH THE GRANDE RONDE VALLEY AND ACROSS PORTIONS OF THE BLUE
MOUNTAINS OVER THE WEEKEND. HIGH CONFIDENCE (70-90%) IN COOLER
CONDITIONS AND PERIODS OF SHOWERY WEATHER EARLY NEXT WEEK.
***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-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....27-33.
* MAX HUMIDITY........64-79 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 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 SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (32-58) DECREASING TO LOW (25) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE.....48-55...EXCEPT 42-49 RIDGES.
* MIN HUMIDITY........32-46 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-28) INCREASING TO LOW (93-129) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....30-35.
* MAX HUMIDITY........76-91 PERCENT...EXCEPT 66-79 PERCENT RIDGES.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-38).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW
SHOWERS IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.....46-53...EXCEPT 39-45 RIDGES.
* MIN HUMIDITY........52-67 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-42) INCREASING TO LOW TO MODERATE
(135-213) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 31 TO 37. HIGHS 42 TO 54. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
32 TO 37. HIGHS 42 TO 53. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 30 TO 35. HIGHS 40 TO 51. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 28 TO 34. HIGHS 41 TO 52. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 42 TO 53. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
WAZ690-241130-
KITTITAS VALLEY-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....28-36.
* MAX HUMIDITY........65-80 PERCENT...EXCEPT 55-66 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 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 (39-61) DECREASING TO LOW (25) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....50-56...EXCEPT 42-51 RIDGES.
* MIN HUMIDITY........39-46 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTH IN
THE AFTERNOON.
* VENTILATION INDEX...LOW (25) INCREASING TO LOW (92-132) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....30-37.
* MAX HUMIDITY........77-92 PERCENT...EXCEPT 63-73 PERCENT RIDGES.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (25-26).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.....50-57...EXCEPT 42-50 RIDGES.
* MIN HUMIDITY........47-57 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.......3000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25) INCREASING TO LOW (108-150) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 34 TO 40.
HIGHS 51 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 33 TO 40. HIGHS 52 TO 59. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
32 TO 38. HIGHS 48 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 30 TO 37. HIGHS 48 TO 55. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 30 TO 36. HIGHS 48 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
WAZ694-241130-
YAKAMA ALPINE DISTRICT-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....27-34.
* MAX HUMIDITY........73-88 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (25-45).
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....51-57...EXCEPT 45-52 RIDGES.
* MIN HUMIDITY........37-47 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.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW (92-120) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....29-36.
* MAX HUMIDITY........69-84 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-26).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND
SNOW SHOWERS IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....49-56...EXCEPT 41-50 RIDGES.
* MIN HUMIDITY........50-60 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.......3000 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW (82-144) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 32 TO 38. HIGHS 44 TO 56. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
31 TO 38. HIGHS 45 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 30 TO 36. HIGHS 43 TO 54. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 28 TO 35. HIGHS 43 TO 55. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 28 TO 34. HIGHS 45 TO 56. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ691-WAZ691-241130-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST AFTER
MIDNIGHT.
* MIN TEMPERATURE.....30-35.
* MAX HUMIDITY........81-96 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....WEST 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.....SOUTHWEST AROUND 5 MPH.
* VENTILATION INDEX...LOW (29-59) DECREASING TO LOW (25-31) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST AND PATCHY
FOG IN THE MORNING.
* MAX TEMPERATURE.....55-60...EXCEPT 50-55 RIDGES.
* MIN HUMIDITY........39-54 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.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-30) INCREASING TO LOW (41-95) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....32-37.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-33).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FROST IN THE MORNING.
* MAX TEMPERATURE.....53-58...EXCEPT 48-54 RIDGES.
* MIN HUMIDITY........46-56 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.......3000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-33) INCREASING TO LOW (51-103) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
34 TO 39. HIGHS 52 TO 59. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
34 TO 39. HIGHS 53 TO 60. SOUTHWEST WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
33 TO 38. HIGHS 51 TO 58. WEST WINDS 1 TO 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
30 TO 36. HIGHS 49 TO 56. NORTHEAST WINDS 1 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS 51 TO 56. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ692-WAZ692-241130-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....24-33.
* MAX HUMIDITY........64-79 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 5 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (38-74) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....51-58...EXCEPT 45-50 RIDGES.
* MIN HUMIDITY........31-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-36) INCREASING TO LOW (98-196) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....30-39.
* MAX HUMIDITY........58-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (26-55).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....54-60...EXCEPT 49-54 RIDGES.
* MIN HUMIDITY........39-50 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (33-65) INCREASING TO LOW TO MODERATE
(148-262) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 33 TO 41.
HIGHS 49 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO 40.
HIGHS 43 TO 53. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 28 TO 36. HIGHS 44 TO 53. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 27 TO 35. HIGHS 45 TO 53. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 28 TO 36. HIGHS 46 TO 55. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
ORZ693-WAZ693-241130-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....22-32.
* MAX HUMIDITY........65-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 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.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (49-71) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....51-59...EXCEPT 46-51 RIDGES.
* MIN HUMIDITY........32-41 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW TO MODERATE
(71-211) IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....27-36.
* MAX HUMIDITY........66-81 PERCENT...EXCEPT 62-70 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-51).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....55-63...EXCEPT 49-55 RIDGES.
* MIN HUMIDITY........35-42 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-50) INCREASING TO LOW TO MODERATE
(119-303) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO 41.
HIGHS 53 TO 61. SOUTH WINDS 2 TO 7 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 30 TO 40.
HIGHS 46 TO 54. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS
26 TO 36. HIGHS 47 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 35. HIGHS 48 TO 56. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 26 TO 36. HIGHS 49 TO 57. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
ORZ701-241130-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....29-35.
* MAX HUMIDITY........81-96 PERCENT...EXCEPT 77-85 PERCENT RIDGES.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH IN THE EVENING.
DRAINAGE WINDS LESS THAN 5 MPH. IN THE EASTERN COLUMBIA RIVER
GORGE, WEST WINDS 2 TO 7 MPH IN THE EVENING.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (43-73) DECREASING TO LOW (25) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....55-60.
* MIN HUMIDITY........39-51 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 5 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-36) INCREASING TO LOW (99-147) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....32-37.
* MAX HUMIDITY........80-95 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-26).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG IN THE MORNING. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.....53-58.
* MIN HUMIDITY........50-60 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.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25) INCREASING TO LOW (87-117) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. PATCHY FOG.
LOWS 34 TO 40. HIGHS 53 TO 58. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
35 TO 40. HIGHS 54 TO 59. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 33 TO
39. HIGHS 52 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
32 TO 37. HIGHS 52 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 30 TO 36. HIGHS 53 TO 58. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ702-241130-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....28-34.
* MAX HUMIDITY........74-89 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
* VENTILATION INDEX...LOW (32-50) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....53-58...EXCEPT 48-54 RIDGES.
* MIN HUMIDITY........33-41 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.......2000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (26-38) INCREASING TO LOW (72-128) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....32-37.
* MAX HUMIDITY........64-76 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-28).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.....51-56...EXCEPT 46-51 RIDGES.
* MIN HUMIDITY........49-60 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.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW (113-199) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 33 TO 38. HIGHS 43 TO 54. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
33 TO 39. HIGHS 43 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 31 TO 37. HIGHS 42 TO 53. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY
CLOUDY. LOWS 30 TO 36. HIGHS 42 TO 52. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS 45 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ695-241130-
EAGLE CAP WILDERNESS-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....22-29.
* MAX HUMIDITY........55-70 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 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 5 TO 10 MPH.
* VENTILATION INDEX...LOW (51-103) DECREASING TO LOW (25-29) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....48-56...EXCEPT 39-47 RIDGES.
* MIN HUMIDITY........34-42 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-36) INCREASING TO LOW TO MODERATE
(127-247) IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....27-34.
* MAX HUMIDITY........58-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (27-66).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....51-60...EXCEPT 41-50 RIDGES.
* MIN HUMIDITY........39-49 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
* VENTILATION INDEX...LOW (30-80) INCREASING TO MODERATE (211-353)
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 31 TO 38. HIGHS 43 TO 57. SOUTH WINDS 4 TO 9 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 29 TO 36. HIGHS 38 TO 51. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
WEDNESDAY
A CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY CLOUDY.
LOWS 25 TO 32. HIGHS 40 TO 53. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 32. HIGHS 41 TO 54. SOUTH WINDS 1 TO 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 27 TO 33. HIGHS 42 TO 55. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
ORZ694-241130-
GRANDE RONDE VALLEY OF OREGON-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....20-25.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 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 5 TO 10 MPH.
* VENTILATION INDEX...LOW (47-103) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....54-59.
* MIN HUMIDITY........31-36 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH INCREASING TO SOUTH
AROUND 15 MPH IN THE AFTERNOON.
* VENTILATION INDEX...LOW (25-28) INCREASING TO MODERATE (266-332)
IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....25-33.
* MAX HUMIDITY........76-91 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
* VENTILATION INDEX...LOW (65-87) DECREASING TO LOW (53-89) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....56-62.
* MIN HUMIDITY........40-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 9 TO 15 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
* VENTILATION INDEX...LOW (54-110) INCREASING TO MODERATE TO HIGH
(386-502) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 29 TO 36.
HIGHS 56 TO 61. SOUTH WINDS 5 TO 11 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 28 TO 34.
HIGHS 51 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 24 TO 30.
HIGHS 52 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 23 TO 29. HIGHS 53 TO 58. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
24 TO 30. HIGHS 54 TO 59. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
ORZ699-241130-
WESTERN FORESTED BLUE MOUNTAINS-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....22-29.
* MAX HUMIDITY........60-75 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (40-80) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....52-57...EXCEPT 46-52 RIDGES.
* MIN HUMIDITY........23-33 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-33) INCREASING TO LOW TO MODERATE
(150-216) IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....27-34.
* MAX HUMIDITY........54-69 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (29-50).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....54-61...EXCEPT 48-55 RIDGES.
* MIN HUMIDITY........31-44 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (28-56) INCREASING TO LOW TO MODERATE
(184-266) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 30 TO 37. HIGHS 47 TO 55. SOUTHEAST WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 29 TO 36. HIGHS 42 TO 50. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
WEDNESDAY
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY
CLOUDY. LOWS 26 TO 32. HIGHS 45 TO 52. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 26 TO 32. HIGHS 45 TO 53. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 26 TO 33. HIGHS 47 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ696-241130-
JOHN DAY VALLEY-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....25-30.
* MAX HUMIDITY........62-75 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 1 TO 5 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (28-62) DECREASING TO LOW (25) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....53-61...EXCEPT 49-54 RIDGES.
* MIN HUMIDITY........26-34 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 1 TO 5 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 6 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-32) INCREASING TO LOW TO MODERATE
(131-239) IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....29-35.
* MAX HUMIDITY........54-66 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (27-45).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....56-64...EXCEPT 52-57 RIDGES.
* MIN HUMIDITY........30-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-38) INCREASING TO LOW TO MODERATE
(151-257) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 33 TO 38.
HIGHS 51 TO 59. SOUTHEAST WINDS 2 TO 7 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO 37.
HIGHS 47 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS
28 TO 33. HIGHS 48 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
28 TO 33. HIGHS 48 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 49 TO 58. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ700-241130-
CENTRAL MOUNTAINS OF OREGON-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....17-29.
* MAX HUMIDITY........71-86 PERCENT...EXCEPT 64-72 PERCENT RIDGES.
* 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.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (31-67) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....53-59...EXCEPT 47-52 RIDGES.
* MIN HUMIDITY........30-37 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (26-44) INCREASING TO LOW TO MODERATE
(135-249) IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....22-35.
* MAX HUMIDITY........64-79 PERCENT...EXCEPT 55-68 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 3 TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 3 TO 8 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (32-66) DECREASING TO LOW (28-48) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....56-61...EXCEPT 50-55 RIDGES.
* MIN HUMIDITY........32-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (26-40) INCREASING TO LOW TO MODERATE
(147-265) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 26 TO 36.
HIGHS 50 TO 55. SOUTH WINDS 2 TO 7 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 23 TO 34.
HIGHS 47 TO 53. SOUTHWEST WINDS 1 TO 6 MPH.
WEDNESDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS
20 TO 31. HIGHS 48 TO 53. SOUTHWEST WINDS 1 TO 6 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
21 TO 31. HIGHS 48 TO 54. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 22 TO 31. HIGHS 50 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ703-241130-
WARM SPRINGS RESERVATION-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....27-32.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (35-55) DECREASING TO LOW (25-27) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....55-61...EXCEPT 50-55 RIDGES.
* MIN HUMIDITY........30-36 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.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-32) INCREASING TO LOW (80-144) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....31-37.
* MAX HUMIDITY........66-81 PERCENT...EXCEPT 54-69 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (25-28).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....54-60...EXCEPT 47-52 RIDGES.
* MIN HUMIDITY........41-49 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW TO MODERATE
(91-237) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 33 TO 38.
HIGHS 47 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 33 TO 38.
HIGHS 47 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
31 TO 36. HIGHS 46 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY
CLOUDY. LOWS 30 TO 35. HIGHS 46 TO 53. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 48 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ704-241130-
NORTHERN DESCHUTES NATIONAL FOREST-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....22-30.
* MAX HUMIDITY........72-87 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
* VENTILATION INDEX...LOW (25-34).
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....57-62...EXCEPT 51-56 RIDGES.
* MIN HUMIDITY........22-31 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-29) INCREASING TO LOW (52-98) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....28-36.
* MAX HUMIDITY........59-70 PERCENT...EXCEPT 42-57 PERCENT RIDGES.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 1 TO 6 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-33).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....56-61...EXCEPT 48-54 RIDGES.
* MIN HUMIDITY........34-43 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 1 TO 6 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-37) INCREASING TO LOW TO MODERATE
(176-344) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 27 TO 35. HIGHS 42 TO 53. SOUTHWEST WINDS UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 27 TO 34. HIGHS 41 TO 52. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 32. HIGHS 42 TO 52. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 24 TO 31. HIGHS 43 TO 52. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 24 TO 32. HIGHS 45 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ705-241130-
SOUTHERN DESCHUTES NATIONAL FOREST-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....17-26...EXCEPT 23-29 RIDGES.
* MAX HUMIDITY........70-85 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST 1 TO 6 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* VENTILATION INDEX...LOW (34-60) DECREASING TO LOW (25-29) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....55-60...EXCEPT 49-56 RIDGES.
* MIN HUMIDITY........23-28 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 1 TO 5 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 2 TO 7 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-38) INCREASING TO LOW (90-146) IN THE
AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....23-33...EXCEPT 30-37 RIDGES.
* MAX HUMIDITY........55-70 PERCENT...EXCEPT 41-55 PERCENT RIDGES.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTH 1 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 2 TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-38).
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....56-61...EXCEPT 48-55 RIDGES.
* MIN HUMIDITY........29-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-41) INCREASING TO MODERATE (274-400)
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 22 TO 33. HIGHS 44 TO 52. SOUTHWEST WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 21 TO 30. HIGHS 43 TO 50. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
WEDNESDAY
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY
CLOUDY. LOWS 18 TO 28. HIGHS 45 TO 52. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS.
LOWS 18 TO 28. HIGHS 46 TO 53. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 19 TO 30. HIGHS 48 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ697-241130-
CENTRAL BLUE MOUNTAINS-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....19-26.
* MAX HUMIDITY........61-76 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....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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (72-104) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....50-55...EXCEPT 45-52 RIDGES.
* MIN HUMIDITY........27-33 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-33) INCREASING TO LOW TO MODERATE
(152-230) IN THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....23-29.
* MAX HUMIDITY........57-72 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 1 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (33-55) DECREASING TO LOW (28-42) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....53-58...EXCEPT 47-54 RIDGES.
* MIN HUMIDITY........32-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...LOW (28-42) INCREASING TO LOW TO MODERATE
(195-271) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 27 TO 34. HIGHS 47 TO 53. SOUTHEAST WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 32. HIGHS 43 TO 49. TERRAIN DRIVEN WINDS LESS
THAN 5 MPH.
WEDNESDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS
22 TO 29. HIGHS 45 TO 51. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS.
LOWS 23 TO 29. HIGHS 46 TO 52. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 24 TO 30. HIGHS 47 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ698-241130-
SOUTHERN BLUE MOUNTAINS-
159 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....15-23...EXCEPT 21-26 RIDGES.
* MAX HUMIDITY........66-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP 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.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...LOW (85-105) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....49-54.
* MIN HUMIDITY........31-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING SOUTHEAST 2
TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-30) INCREASING TO LOW (118-186) IN
THE AFTERNOON.
SATURDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....19-27...EXCEPT 24-29 RIDGES.
* MAX HUMIDITY........61-75 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 2 TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (35-57) DECREASING TO LOW (27-41) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....52-57.
* MIN HUMIDITY........34-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (25-36) INCREASING TO LOW TO MODERATE
(144-222) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 32. HIGHS 50 TO 55. SOUTHEAST WINDS 2 TO
7 MPH.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 23 TO 30. HIGHS 46 TO 52. WEST WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 20 TO 27. HIGHS 48 TO 53. WEST
WINDS 1 TO 6 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 21 TO 27. HIGHS 49 TO 54. EAST
WINDS UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 22 TO 28. HIGHS 50 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
.8-14 DAY OUTLOOK FOR SATURDAY OCTOBER 31 THROUGH FRIDAY NOVEMBER 6...
A GREATER CHANCE OF NEAR-NORMAL TEMPERATURES AND ABOVE-NORMAL
PRECIPITATION.
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