513
FNUS56 KPDT 272152
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
252 PM PDT MON OCT 27 2025
...THIS IS THE LAST FIRE WEATHER FORECAST OF THE SEASON. FORECASTS
WILL RESUME IN APRIL 2026...
DISCUSSION
SPOTTY LIGHT SHOWERS ARE STILL OCCURRING ACROSS
HIGHER ELEVATIONS OF THE CASCADES AND BLUE MOUNTAINS, AND WILL
CONTINUE TO TAPER OFF THROUGH THIS EVENING AS AN UPPER LEVEL RIDGE
BRIEFLY PASSES THROUGH THE AREA. AFTERNOON HUMIDITIES IN THE
MID-20S ARE EXPECTED ACROSS CENTRAL AND NORTHERN OREGON TUESDAY,
AHEAD OF THE NEXT SYSTEM THAT WILL BRING MOUNTAIN RAIN SHOWERS
TUESDAY EVENING THROUGH WEDNESDAY MORNING. BREEZY WINDS THROUGH
THE GRANDE RONDE VALLEY TUESDAY NIGHT INTO WEDNESDAY MORNING.
WIDESPREAD RAIN AND BREEZY WINDS RETURN FRIDAY EVENING THROUGH
SATURDAY.
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***VENTILATION INDEX IS DERIVED FROM THE
TRANSPORT WIND MULTIPLIED BY THE MIXING
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES
ARE A GENERALIZED INDICATOR AND USERS ARE
ENCOURAGE TO DEVELOP CRITERIA THAT ARE
SUITABLE AND REPRESENTATIVE OF DISPERSION
CONDITIONS IN THEIR LOCAL AREA OF INTEREST.***
NOTE: MAX TRANSPORT WINDS MAY NOT OCCUR
AT THE SAME TIME AS MAX MIXING HEIGHT.
WAZ695-281115-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....23-29.
* MAX HUMIDITY........78-93 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 2 TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-87) DECREASING TO POOR (25-62) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN IN
THE MORNING. A SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
* MAX TEMPERATURE.....40-45...EXCEPT 35-40 RIDGES.
* MIN HUMIDITY........60-75 PERCENT.
* 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.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-135) INCREASING TO POOR TO FAIR
(36-230) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW IN
THE EVENING, THEN RAIN AND A SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT.
* MIN TEMPERATURE.....30-35.
* MAX HUMIDITY........83-98 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 1 TO 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTH WINDS 3 TO 8 MPH.
* CWR.................80 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-107) DECREASING TO POOR (25-95)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW IN
THE MORNING.
* MAX TEMPERATURE.....43-50...EXCEPT 35-43 RIDGES.
* MIN HUMIDITY........54-69 PERCENT...EXCEPT 66-79 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (29-219) INCREASING TO POOR TO
FAIR (195-475) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 26 TO 31. HIGHS 38 TO 49.
NORTHEAST WINDS 1 TO 6 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. LOWS
28 TO 33. HIGHS 38 TO 48. SOUTHEAST WINDS 1 TO 5 MPH.
SATURDAY
RAIN AND A SLIGHT CHANCE OF SNOW. LOWS 34 TO 39.
HIGHS 41 TO 52. WEST WINDS 2 TO 7 MPH.
SUNDAY
A CHANCE OF RAIN AND SNOW. MOSTLY CLOUDY. LOWS 30 TO
35. HIGHS 37 TO 49. WEST WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
LOWS 28 TO 33. HIGHS 37 TO 48. EAST WINDS 1 TO 6 MPH.
WAZ690-281115-
KITTITAS VALLEY-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....27-33.
* MAX HUMIDITY........80-95 PERCENT...EXCEPT 75-82 PERCENT RIDGES.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 5 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (34-88) DECREASING TO POOR (25-36) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....43-49...EXCEPT 37-43 RIDGES.
* MIN HUMIDITY........57-65 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING EAST 2 TO 5
MPH IN THE AFTERNOON.
* 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...POOR (25-52) INCREASING TO POOR (52-126) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
* MIN TEMPERATURE.....33-38.
* MAX HUMIDITY........82-97 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING WEST 1
TO 5 MPH AFTER MIDNIGHT.
* CWR.................20 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-48).
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....50-57...EXCEPT 41-51 RIDGES.
* MIN HUMIDITY........49-60 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-118) INCREASING TO FAIR TO GOOD
(259-549) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 28 TO 35. HIGHS 46 TO 52. NORTH
WINDS 1 TO 5 MPH.
FRIDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 31 TO 36. HIGHS
44 TO 50. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
RAIN LIKELY. LOWS 37 TO 42. HIGHS 52 TO 59. WEST
WINDS 2 TO 7 MPH.
SUNDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 33 TO 39.
HIGHS 49 TO 56. WEST WINDS 3 TO 8 MPH.
MONDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 31 TO 36.
HIGHS 45 TO 52. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WAZ694-281115-
YAKAMA ALPINE DISTRICT-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....25-32.
* MAX HUMIDITY........79-94 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING EAST 1
TO 5 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
* VENTILATION INDEX...POOR (25-59).
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW IN THE
MORNING. A SLIGHT CHANCE OF RAIN.
* MAX TEMPERATURE.....44-50...EXCEPT 37-45 RIDGES.
* MIN HUMIDITY........57-68 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 1 TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-66) INCREASING TO POOR (29-97) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN AND A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
* MIN TEMPERATURE.....31-36.
* MAX HUMIDITY........84-99 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 1 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 4 TO 9 MPH AFTER MIDNIGHT.
* CWR.................50 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-46) INCREASING TO POOR (25-69) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY. A
SLIGHT CHANCE OF RAIN AND SNOW IN THE MORNING.
* MAX TEMPERATURE.....48-56...EXCEPT 39-50 RIDGES.
* MIN HUMIDITY........53-68 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-116) INCREASING TO POOR TO FAIR
(143-275) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 41 TO 52. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 28 TO 34.
HIGHS 43 TO 52. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
RAIN. LOWS 37 TO 42. HIGHS 45 TO 56. SOUTHWEST WINDS
3 TO 8 MPH.
SUNDAY
A CHANCE OF RAIN AND SNOW. PARTLY CLOUDY. LOWS 30 TO
37. HIGHS 42 TO 54. WEST WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
LOWS 29 TO 35. HIGHS 41 TO 52. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
ORZ691-WAZ691-281115-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....30-35.
* MAX HUMIDITY........82-97 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 1 TO 6 MPH SHIFTING TO THE
EAST 1 TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH SHIFTING TO THE EAST 1
TO 5 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (32-70) DECREASING TO POOR (25-44) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....50-56...EXCEPT 43-51 RIDGES.
* MIN HUMIDITY........43-58 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 1 TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-57) INCREASING TO POOR (43-127) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT.
* MIN TEMPERATURE.....36-41.
* MAX HUMIDITY........79-94 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 1 TO 5 MPH SHIFTING TO THE
SOUTH 2 TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 5 MPH SHIFTING TO THE
SOUTHWEST 2 TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-45) INCREASING TO POOR (25-63) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY. A
SLIGHT CHANCE OF RAIN IN THE MORNING.
* MAX TEMPERATURE.....56-61...EXCEPT 50-56 RIDGES.
* MIN HUMIDITY........46-56 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-82) INCREASING TO FAIR (209-409) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 49 TO 54.
NORTHEAST WINDS 1 TO 5 MPH.
FRIDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 32 TO 37. HIGHS
50 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
RAIN LIKELY. LOWS 41 TO 47. HIGHS 59 TO 64. SOUTHWEST
WINDS 4 TO 10 MPH.
SUNDAY
A SLIGHT CHANCE OF RAIN. PARTLY CLOUDY. LOWS 37 TO 42.
HIGHS 53 TO 59. WEST WINDS 4 TO 9 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 34 TO 39. HIGHS 50 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ692-WAZ692-281115-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....25-34...EXCEPT 24-29 RIDGES.
* MAX HUMIDITY........80-95 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-86) DECREASING TO POOR (25-64) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....46-56...EXCEPT 39-45 RIDGES.
* MIN HUMIDITY........41-52 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 15 MPH.
* VENTILATION INDEX...POOR (25-111) INCREASING TO POOR TO FAIR
(110-296) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT.
* MIN TEMPERATURE.....34-40.
* MAX HUMIDITY........71-86 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 7 TO 13 MPH WITH GUSTS UP TO 25
MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
* VENTILATION INDEX...POOR (25-131) INCREASING TO POOR (25-155)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
CHANCE OF RAIN AND SNOW IN THE MORNING.
* MAX TEMPERATURE.....48-56...EXCEPT 41-47 RIDGES.
* MIN HUMIDITY........54-68 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 7 TO 13 MPH DECREASING TO 2
TO 7 MPH IN THE AFTERNOON.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-137) INCREASING TO FAIR (238-424) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 27 TO 34. HIGHS 44 TO 53. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 31 TO 36. HIGHS
46 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
RAIN LIKELY. LOWS 40 TO 46. HIGHS 47 TO 59. SOUTH
WINDS 4 TO 10 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 35 TO 40. HIGHS
43 TO 53. WEST WINDS 5 TO 11 MPH.
MONDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 31 TO 36.
HIGHS 45 TO 55. SOUTH WINDS 1 TO 6 MPH.
ORZ693-WAZ693-281115-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....21-30.
* MAX HUMIDITY........79-94 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING SOUTH 2
TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-92) DECREASING TO POOR (25-69) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....46-53...EXCEPT 39-45 RIDGES.
* MIN HUMIDITY........41-51 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.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-94) INCREASING TO POOR TO FAIR
(62-294) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....31-39.
* MAX HUMIDITY........59-74 PERCENT...EXCEPT 52-62 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-143) INCREASING TO POOR (25-165)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF RAIN IN THE MORNING.
* MAX TEMPERATURE.....48-56...EXCEPT 43-49 RIDGES.
* MIN HUMIDITY........45-59 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 10 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 8 TO 14 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-157) INCREASING TO POOR TO FAIR
(149-347) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 25 TO 33. HIGHS 47 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 28 TO 36.
HIGHS 48 TO 56. SOUTH WINDS 1 TO 6 MPH.
SATURDAY
RAIN LIKELY. LOWS 38 TO 45. HIGHS 50 TO 58. SOUTH
WINDS 4 TO 9 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 33 TO 41. HIGHS
45 TO 54. WEST WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 27 TO 36. HIGHS 48 TO 56. SOUTH
WINDS 1 TO 5 MPH.
ORZ701-281115-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....30-35.
* MAX HUMIDITY........85-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH. IN THE
EASTERN COLUMBIA RIVER GORGE, DRAINAGE WINDS LESS THAN 5 MPH
BECOMING EAST 1 TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-51) INCREASING TO POOR (25-63) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE
MORNING.
* MAX TEMPERATURE.....49-54.
* MIN HUMIDITY........48-63 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH...EXCEPT EAST 1 TO 6
MPH IN THE EASTERN COLUMBIA RIVER GORGE.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-76) INCREASING TO POOR (52-118) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
* MIN TEMPERATURE.....36-41.
* MAX HUMIDITY........87-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WINDS SOUTHWEST 1 TO 6 MPH AFTER MIDNIGHT.
DRAINAGE WINDS LESS THAN 5 MPH. IN THE EASTERN COLUMBIA RIVER
GORGE, WINDS WEST 2 TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 1 TO 5 MPH AFTER MIDNIGHT.
* CWR.................30 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-54).
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY. A
SLIGHT CHANCE OF RAIN IN THE MORNING.
* MAX TEMPERATURE.....56-61...EXCEPT 51-57 RIDGES.
* MIN HUMIDITY........50-65 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH. IN THE EASTERN COLUMBIA
RIVER GORGE, WEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 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.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (34-116) INCREASING TO FAIR (203-397) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 50 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 33 TO 38. HIGHS
51 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
RAIN LIKELY. LOWS 42 TO 47. HIGHS 56 TO 61. SOUTHWEST
WINDS 2 TO 7 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 37 TO 42. HIGHS
53 TO 58. WEST WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 34 TO
39. HIGHS 50 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
ORZ702-281115-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....27-33.
* MAX HUMIDITY........79-93 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.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-37) INCREASING TO POOR (25-56) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....49-54...EXCEPT 44-49 RIDGES.
* MIN HUMIDITY........49-62 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.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-58) INCREASING TO POOR (25-83) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN AND A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
* MIN TEMPERATURE.....33-39.
* MAX HUMIDITY........84-99 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 1 TO 6 MPH AFTER MIDNIGHT.
* CWR.................60 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-42) INCREASING TO POOR (25-83) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY. A
CHANCE OF RAIN AND SNOW IN THE MORNING.
* MAX TEMPERATURE.....51-58...EXCEPT 45-52 RIDGES.
* MIN HUMIDITY........50-65 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-116) INCREASING TO POOR TO FAIR
(89-211) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 41 TO 51. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 30 TO 35.
HIGHS 46 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
RAIN. LOWS 40 TO 46. HIGHS 48 TO 59. SOUTHWEST WINDS
2 TO 7 MPH.
SUNDAY...A CHANCE OF RAIN AND SNOW
HEAVY AT TIMES. MOSTLY
CLOUDY. LOWS 33 TO 38. HIGHS 43 TO 55. WEST WINDS 1 TO 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
LOWS 32 TO 37. HIGHS 43 TO 53. TERRAIN DRIVEN WINDS LESS THAN
5 MPH.
ORZ695-281115-
EAGLE CAP WILDERNESS-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....23-28...EXCEPT 15-23 RIDGES.
* MAX HUMIDITY........79-94 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 1 TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING SOUTH 2
TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-66).
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....41-50...EXCEPT 31-40 RIDGES.
* MIN HUMIDITY........45-58 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-101) INCREASING TO POOR TO FAIR
(50-282) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....31-36...EXCEPT 25-31 RIDGES.
* MAX HUMIDITY........59-72 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
* VENTILATION INDEX...POOR (25-131) INCREASING TO POOR (25-164)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF RAIN AND SNOW IN THE MORNING.
* MAX TEMPERATURE.....44-53...EXCEPT 35-44 RIDGES.
* MIN HUMIDITY........50-65 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 4 TO 9 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 7 TO 13 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-123) INCREASING TO POOR TO FAIR
(45-227) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 23 TO 31. HIGHS 39 TO 51. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 27 TO 35.
HIGHS 39 TO 52. SOUTH WINDS 1 TO 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN LIKELY AND A SLIGHT CHANCE OF
SNOW. LOWS 33 TO 42. HIGHS 40 TO 53. SOUTH WINDS 4 TO 9 MPH.
SUNDAY
A CHANCE OF RAIN AND A SLIGHT CHANCE OF SNOW. MOSTLY
CLOUDY. LOWS 28 TO 38. HIGHS 36 TO 50. WEST WINDS 2 TO 7 MPH.
MONDAY
PARTLY CLOUDY. LOWS 26 TO 34. HIGHS 40 TO 53. SOUTH
WINDS 1 TO 6 MPH.
ORZ694-281115-
GRANDE RONDE VALLEY OF OREGON-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....23-28.
* MAX HUMIDITY........85-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 2 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING SOUTH 3
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...POOR (25-58) INCREASING TO POOR (39-83) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....48-53.
* MIN HUMIDITY........42-47 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 8 TO 14 MPH. GUSTS TO 30 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 9 TO 15 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH INCREASING TO SOUTH
AROUND 20 MPH IN THE AFTERNOON.
* VENTILATION INDEX...POOR (83-167) INCREASING TO FAIR TO GOOD
(448-620) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....28-37.
* MAX HUMIDITY........65-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 14 TO 20 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 14 TO 20 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.
* VENTILATION INDEX...POOR TO FAIR (132-278) DECREASING TO POOR TO
FAIR (111-279) AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF RAIN IN THE MORNING.
* MAX TEMPERATURE.....52-57.
* MIN HUMIDITY........48-56 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 8 TO 14 MPH WITH GUSTS UP TO 25
MPH IN THE MORNING BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 9 TO 15 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.....SOUTH AROUND 15 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* VENTILATION INDEX...POOR (65-171) INCREASING TO POOR TO FAIR
(110-224) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 24 TO 29. HIGHS 51 TO 56. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 28 TO 33.
HIGHS 53 TO 58. SOUTHEAST WINDS 2 TO 7 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS 37 TO 42. HIGHS
55 TO 60. SOUTH WINDS 4 TO 10 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 33 TO 38. HIGHS
51 TO 56. NORTHWEST WINDS 3 TO 7 MPH.
MONDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 53 TO 58. SOUTHEAST
WINDS 2 TO 7 MPH.
ORZ699-281115-
WESTERN FORESTED BLUE MOUNTAINS-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....22-29.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 1 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.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-46) INCREASING TO POOR (25-62) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....46-55...EXCEPT 39-50 RIDGES.
* MIN HUMIDITY........35-50 PERCENT.
* 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.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-101) INCREASING TO POOR TO FAIR
(107-275) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....28-36.
* MAX HUMIDITY........66-79 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
* VENTILATION INDEX...POOR (25-116).
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF RAIN AND SNOW IN THE MORNING.
* MAX TEMPERATURE.....49-55...EXCEPT 43-49 RIDGES.
* MIN HUMIDITY........51-64 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 1 TO 6 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.......5000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-52) INCREASING TO POOR TO FAIR
(128-262) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 26 TO 31. HIGHS 46 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 29 TO 35.
HIGHS 47 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 36 TO 44.
HIGHS 49 TO 58. SOUTH WINDS 2 TO 7 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 33 TO 38. HIGHS
43 TO 51. WEST WINDS 2 TO 6 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 29 TO 35. HIGHS 47 TO 55. SOUTHEAST
WINDS 1 TO 5 MPH.
ORZ696-281115-
JOHN DAY VALLEY-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....27-32.
* MAX HUMIDITY........66-79 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 2 TO 7 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.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-32) INCREASING TO POOR (25-89) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....53-60...EXCEPT 48-53 RIDGES.
* MIN HUMIDITY........28-36 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.......4500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (31-127) INCREASING TO POOR TO FAIR
(160-352) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....33-40.
* MAX HUMIDITY........59-74 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
* VENTILATION INDEX...POOR (32-142) DECREASING TO POOR (25-129)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....51-58...EXCEPT 46-51 RIDGES.
* MIN HUMIDITY........46-56 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....SOUTHEAST WINDS 2 TO 7 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-41) INCREASING TO POOR TO FAIR
(126-216) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 51 TO 59. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 33 TO 38.
HIGHS 53 TO 61. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 42 TO 47.
HIGHS 57 TO 64. SOUTH WINDS 2 TO 7 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 36 TO 41. HIGHS
49 TO 57. WEST WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 33 TO 38. HIGHS 53 TO 60. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ700-281115-
CENTRAL MOUNTAINS OF OREGON-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....23-31.
* MAX HUMIDITY........66-79 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 2 TO 6 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.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-55) INCREASING TO POOR (25-72) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....55-62...EXCEPT 48-53 RIDGES.
* MIN HUMIDITY........27-37 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.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...POOR (27-93) INCREASING TO POOR TO FAIR
(111-271) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.....28-40.
* MAX HUMIDITY........74-89 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
* VENTILATION INDEX...POOR (29-113) DECREASING TO POOR (25-80)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....53-58...EXCEPT 47-52 RIDGES.
* MIN HUMIDITY........46-55 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.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-41) INCREASING TO POOR (121-189) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 25 TO 32. HIGHS 51 TO 58. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 28 TO 35.
HIGHS 56 TO 62. SOUTH WINDS 1 TO 6 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 39 TO 47.
HIGHS 58 TO 64. SOUTHWEST WINDS 4 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 33 TO
38. HIGHS 50 TO 56. NORTHWEST WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 30 TO 36. HIGHS 54 TO 61. SOUTHEAST
WINDS 1 TO 6 MPH.
ORZ703-281115-
WARM SPRINGS RESERVATION-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....28-33.
* MAX HUMIDITY........77-88 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.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR (25-39).
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....52-58...EXCEPT 47-52 RIDGES.
* MIN HUMIDITY........37-48 PERCENT...EXCEPT 47-60 PERCENT RIDGES.
* 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...POOR (25-41) INCREASING TO POOR (35-87) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
* MIN TEMPERATURE.....36-41.
* MAX HUMIDITY........82-91 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 2 TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 5 TO 11 MPH AFTER MIDNIGHT.
* CWR.................30 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-37) INCREASING TO POOR (25-84) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY. A
CHANCE OF RAIN AND A SLIGHT CHANCE OF SNOW IN THE MORNING.
* MAX TEMPERATURE.....53-60...EXCEPT 44-51 RIDGES.
* MIN HUMIDITY........41-53 PERCENT...EXCEPT 52-67 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 6 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 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.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-90) INCREASING TO POOR TO FAIR
(115-207) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 46 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 32 TO 37. HIGHS
53 TO 61. SOUTHWEST WINDS 1 TO 5 MPH.
SATURDAY
RAIN LIKELY. LOWS 43 TO 48. HIGHS 52 TO 63. SOUTHWEST
WINDS 4 TO 9 MPH.
SUNDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 36 TO 41. HIGHS
48 TO 58. WEST WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 34 TO
39. HIGHS 48 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
ORZ704-281115-
NORTHERN DESCHUTES NATIONAL FOREST-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....24-29.
* MAX HUMIDITY........76-91 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 BECOMING
SOUTHWEST 3 TO 8 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-45).
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....55-60...EXCEPT 48-53 RIDGES.
* MIN HUMIDITY........39-47 PERCENT...EXCEPT 45-60 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...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.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-44) INCREASING TO POOR (38-92) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT.
* MIN TEMPERATURE.....33-39.
* MAX HUMIDITY........87-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 2 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 1 TO 6 MPH INCREASING TO 7
TO 13 MPH AFTER MIDNIGHT.
* CWR.................20 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-37) INCREASING TO POOR (25-102)
AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY. A
CHANCE OF RAIN AND SNOW IN THE MORNING.
* MAX TEMPERATURE.....53-58...EXCEPT 43-50 RIDGES.
* MIN HUMIDITY........49-59 PERCENT...EXCEPT 59-74 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-89) INCREASING TO POOR (48-120) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 25 TO 32. HIGHS 45 TO 54. EAST
WINDS 2 TO 7 MPH.
FRIDAY
A CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 29 TO 34. HIGHS
50 TO 61. SOUTHWEST WINDS 2 TO 7 MPH.
SATURDAY
RAIN LIKELY. LOWS 39 TO 45. HIGHS 48 TO 60. SOUTHWEST
WINDS 7 TO 13 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND A SLIGHT CHANCE
OF SNOW. LOWS 32 TO 38. HIGHS 43 TO 55. WEST WINDS 3 TO 8 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 29 TO
34. HIGHS 48 TO 57. SOUTHEAST WINDS 2 TO 7 MPH.
ORZ705-281115-
SOUTHERN DESCHUTES NATIONAL FOREST-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....22-28.
* MAX HUMIDITY........70-85 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTH 2 TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING SOUTH 3
TO 8 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (26-56).
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....55-60...EXCEPT 48-55 RIDGES.
* MIN HUMIDITY........34-49 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 1 TO 6 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 AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-60) INCREASING TO POOR (81-165) IN
THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.....30-37.
* MAX HUMIDITY........89-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 2 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
SOUTHWEST 4 TO 9 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-71).
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
CHANCE OF RAIN AND A SLIGHT CHANCE OF SNOW IN THE MORNING.
* MAX TEMPERATURE.....52-57...EXCEPT 43-51 RIDGES.
* MIN HUMIDITY........51-66 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 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.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-54) INCREASING TO POOR (72-144) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 24 TO 31. HIGHS 51 TO 58. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
A SLIGHT CHANCE OF RAIN. MOSTLY CLOUDY. LOWS 28 TO 35.
HIGHS 53 TO 60. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS 37 TO 42. HIGHS
51 TO 61. SOUTHWEST WINDS 4 TO 9 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 32 TO 37.
HIGHS 47 TO 55. WEST WINDS 2 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 28 TO
34. HIGHS 53 TO 60. SOUTH WINDS 1 TO 5 MPH.
ORZ697-281115-
CENTRAL BLUE MOUNTAINS-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....20-26.
* 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 BECOMING
SOUTHEAST 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...POOR (25-35) INCREASING TO POOR (25-59) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....45-53...EXCEPT 39-48 RIDGES.
* MIN HUMIDITY........32-46 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 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-93) INCREASING TO POOR TO FAIR
(89-255) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....25-31.
* MAX HUMIDITY........62-77 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.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-97) DECREASING TO POOR (25-74) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....50-55...EXCEPT 44-50 RIDGES.
* MIN HUMIDITY........48-58 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 1 TO 6 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-34) INCREASING TO POOR TO FAIR
(102-202) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 23 TO 28. HIGHS 46 TO 54. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS 27 TO 32. HIGHS 48 TO 56. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 35 TO 41.
HIGHS 51 TO 59. SOUTHWEST WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 31 TO
36. HIGHS 44 TO 52. NORTHWEST WINDS 2 TO 7 MPH.
MONDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 47 TO 55. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ698-281115-
SOUTHERN BLUE MOUNTAINS-
252 PM PDT MON OCT 27 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....20-25.
* MAX HUMIDITY........71-81 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 6 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-52).
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....46-53.
* 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.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (28-72) INCREASING TO POOR TO FAIR
(137-243) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....24-30.
* MAX HUMIDITY........64-79 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....EAST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (35-95) DECREASING TO POOR (25-52) AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....51-56...EXCEPT 46-51 RIDGES.
* MIN HUMIDITY........41-53 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.......4500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-28) INCREASING TO POOR TO FAIR
(146-238) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS 23 TO 28. HIGHS 51 TO 56. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS 53 TO 58. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
34 TO 39. HIGHS 57 TO 63. SOUTHWEST WINDS 4 TO 9 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS 33 TO
38. HIGHS 50 TO 55. NORTHWEST WINDS 3 TO 8 MPH.
MONDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 52 TO 58. SOUTHEAST
WINDS 1 TO 6 MPH.
.8-14 DAY OUTLOOK FOR TUESDAY NOVEMBER 4 THROUGH MONDAY NOVEMBER 10...
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND PRECIPITATION.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page