404
FNUS56 KPDT 261124
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
424 AM PDT SAT SEP 26 2026
DISCUSSION
DRY CONDITIONS WITH LIGHT WINDS RETURN TODAY, AND
WILL PERSIST THROUGH MONDAY. A WEAK SYSTEM PASSAGE TUESDAY WILL
BRING LIGHT MOUNTAIN SHOWERS, INCREASED AFTERNOON RHS, AND BREEZY
WINDS THROUGH CASCADE GAPS AND COLUMBIA BASIN. TEMPERATURES WILL
REMAIN NEAR TO BELOW NORMAL.
***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. ***
WAZ695-262315-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....53-59...EXCEPT 46-52 RIDGES.
* MIN HUMIDITY........35-47 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 5 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (67-115) INCREASING TO LOW TO MODERATE
(111-207) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....33-39.
* MAX HUMIDITY........56-71 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (29-59) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....57-64...EXCEPT 49-56 RIDGES.
* MIN HUMIDITY........31-42 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.......5000 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE WEST IN THE
AFTERNOON.
* VENTILATION INDEX...LOW (33-47) INCREASING TO LOW (25-117) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS 53 TO 65. WEST WINDS
UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 39 TO 45.
HIGHS 48 TO 62. WEST WINDS 2 TO 7 MPH.
WEDNESDAY
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 37 TO 43.
HIGHS 48 TO 60. WEST WINDS 2 TO 7 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
37 TO 43. HIGHS 49 TO 60. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
36 TO 42. HIGHS 49 TO 61. WEST WINDS 1 TO 5 MPH.
WAZ690-262315-
KITTITAS VALLEY-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....58-64...EXCEPT 50-58 RIDGES.
* MIN HUMIDITY........31-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 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...LOW (44-90) INCREASING TO LOW TO MODERATE
(131-219) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....38-44.
* MAX HUMIDITY........55-70 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (35-59) DECREASING TO LOW (25-27) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....60-67...EXCEPT 52-60 RIDGES.
* MIN HUMIDITY........31-40 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.....NORTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (39-61) INCREASING TO LOW TO MODERATE
(114-208) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 39 TO 45. HIGHS 64 TO 71. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 45 TO 50. HIGHS 63 TO 71. WEST
WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 60 TO 68. WEST
WINDS 2 TO 7 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 42 TO 48. HIGHS 60 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 60 TO 67. NORTHWEST
WINDS 2 TO 7 MPH.
WAZ694-262315-
YAKAMA ALPINE DISTRICT-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....56-63...EXCEPT 48-57 RIDGES.
* MIN HUMIDITY........35-43 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 5 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 SHIFTING TO THE EAST
IN THE AFTERNOON.
* VENTILATION INDEX...LOW (26-50) INCREASING TO LOW TO MODERATE
(140-200) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....35-41.
* MAX HUMIDITY........50-63 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH BECOMING
NORTH UP TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING
NORTHEAST 1 TO 5 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (54-82) DECREASING TO LOW (26-38) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....59-66...EXCEPT 51-60 RIDGES.
* MIN HUMIDITY........32-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 5 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 5 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.....NORTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (37-61) INCREASING TO LOW (73-163) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 35 TO 42. HIGHS 58 TO 69. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 39 TO
46. HIGHS 54 TO 67. WEST WINDS 4 TO 9 MPH.
WEDNESDAY
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS
38 TO 44. HIGHS 54 TO 65. WEST WINDS 4 TO 9 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 38 TO 45. HIGHS 54 TO 65. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 36 TO 43. HIGHS 54 TO 65. WEST
WINDS 1 TO 5 MPH.
ORZ691-WAZ691-262315-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....61-67...EXCEPT 56-63 RIDGES.
* MIN HUMIDITY........28-36 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 1 TO 6 MPH SHIFTING TO THE
NORTHEAST 2 TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 1 TO 6 MPH SHIFTING TO THE
EAST 1 TO 5 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST IN THE AFTERNOON.
* VENTILATION INDEX...LOW (35-77) INCREASING TO LOW (86-188) IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....40-45.
* MAX HUMIDITY........54-69 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (53-121) DECREASING TO LOW (25-36) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....63-71...EXCEPT 59-66 RIDGES.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 1 TO
6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (27-57) INCREASING TO LOW TO MODERATE
(158-270) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 67 TO 73. SOUTHWEST
WINDS UP TO 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 69 TO 75.
SOUTHWEST WINDS 4 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 65 TO 71. WEST
WINDS 5 TO 11 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 64 TO 71. WEST
WINDS 1 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 63 TO 70. WEST
WINDS 2 TO 7 MPH.
ORZ692-WAZ692-262315-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....54-63...EXCEPT 49-54 RIDGES.
* MIN HUMIDITY........28-43 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH IN THE MORNING
BECOMING UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 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...LOW (62-106) INCREASING TO LOW (107-173) IN
THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....35-42.
* MAX HUMIDITY........56-68 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (49-75) DECREASING TO LOW (25-34) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....57-66...EXCEPT 54-59 RIDGES.
* MIN HUMIDITY........31-43 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.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* VENTILATION INDEX...LOW (25-28) INCREASING TO LOW (111-153) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 36 TO 43. HIGHS 59 TO 68. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 39 TO 47. HIGHS 60 TO 71.
SOUTHWEST WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
41 TO 48. HIGHS 56 TO 66. SOUTHWEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 39 TO 46. HIGHS 57 TO 66. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 38 TO 45. HIGHS 54 TO 64. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ693-WAZ693-262315-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....55-64...EXCEPT 50-57 RIDGES.
* MIN HUMIDITY........25-34 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...LOW (42-84) INCREASING TO LOW TO MODERATE
(133-211) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....33-41.
* MAX HUMIDITY........58-73 PERCENT.
* 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.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (59-83) DECREASING TO LOW (25) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....61-69...EXCEPT 55-62 RIDGES.
* MIN HUMIDITY........28-36 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.......4500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE NORTHWEST
IN THE AFTERNOON.
* VENTILATION INDEX...LOW (25) INCREASING TO LOW (90-152) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 36 TO 44. HIGHS 62 TO 71. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 37 TO 45. HIGHS 64 TO 73. SOUTHWEST
WINDS UP TO 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 40 TO 48. HIGHS 60 TO 70. WEST
WINDS 2 TO 7 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 38 TO 46. HIGHS 61 TO 70. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 37 TO 45. HIGHS 57 TO 66. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ701-262315-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....61-66.
* MIN HUMIDITY........33-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH. IN THE EASTERN
COLUMBIA RIVER GORGE, WEST WINDS 1 TO 5 MPH IN THE MORNING
BECOMING 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.....WEST AROUND 5 MPH SHIFTING TO THE EAST IN THE
AFTERNOON.
* VENTILATION INDEX...LOW (31-55) INCREASING TO LOW (144-180) IN
THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....39-44.
* MAX HUMIDITY........56-67 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (70-98) DECREASING TO LOW (25-32) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....64-69.
* MIN HUMIDITY........30-38 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.....EAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (26-46) INCREASING TO LOW TO MODERATE
(191-221) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 68 TO 73. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
43 TO 48. HIGHS 66 TO 72. WEST WINDS 2 TO 7 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
44 TO 49. HIGHS 65 TO 70. WEST WINDS 2 TO 7 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 64 TO 69. WEST
WINDS UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 64 TO 69. NORTHWEST
WINDS 1 TO 6 MPH.
ORZ702-262315-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....56-63...EXCEPT 51-58 RIDGES.
* MIN HUMIDITY........35-48 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.....NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST
IN THE AFTERNOON.
* VENTILATION INDEX...LOW (25-39) INCREASING TO LOW (140-180) IN
THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....35-41.
* MAX HUMIDITY........50-57 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (83-101) DECREASING TO LOW (32-50) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....59-65...EXCEPT 54-61 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.......4000 FT AGL.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (50-72) INCREASING TO LOW TO MODERATE
(149-209) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 36 TO 42. HIGHS 57 TO 70. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
40 TO 46. HIGHS 56 TO 70. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 39 TO 46.
HIGHS 55 TO 67. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 39 TO 45. HIGHS 54 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 37 TO 44. HIGHS 54 TO 66. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ695-262315-
EAGLE CAP WILDERNESS-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....53-63...EXCEPT 43-53 RIDGES.
* MIN HUMIDITY........24-36 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.......5000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...LOW (31-57) INCREASING TO LOW TO MODERATE
(144-220) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....36-41...EXCEPT 31-37 RIDGES.
* MAX HUMIDITY........50-63 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (34-64) DECREASING TO LOW (25-26) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....59-69...EXCEPT 50-59 RIDGES.
* MIN HUMIDITY........32-40 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.....SOUTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-42) INCREASING TO LOW TO MODERATE
(114-296) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
PARTLY CLOUDY. LOWS 35 TO 42. HIGHS 54 TO 69. NORTH
WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 35 TO 43. HIGHS 55 TO 69. WEST
WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 37 TO 45. HIGHS 52 TO 67. WEST
WINDS 1 TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 36 TO 44. HIGHS 53 TO 67. WEST
WINDS 1 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 35 TO 42. HIGHS 49 TO 64. NORTHWEST
WINDS 1 TO 6 MPH.
ORZ694-262315-
GRANDE RONDE VALLEY OF OREGON-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....60-65.
* MIN HUMIDITY........22-27 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...LOW (36-60) INCREASING TO LOW (123-169) IN
THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....32-38.
* MAX HUMIDITY........61-74 PERCENT.
* 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.......500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (48-70) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....65-70.
* MIN HUMIDITY........30-35 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.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW (92-122) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 68 TO 73. NORTHWEST
WINDS 2 TO 7 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 35 TO 42. HIGHS 70 TO 75. SOUTHWEST
WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 39 TO 45. HIGHS 66 TO 71.
NORTHWEST WINDS 1 TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 37 TO 43. HIGHS 67 TO 72.
NORTHWEST WINDS UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 36 TO 42. HIGHS 63 TO 68. NORTHWEST
WINDS 2 TO 7 MPH.
ORZ699-262315-
WESTERN FORESTED BLUE MOUNTAINS-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....56-62...EXCEPT 50-57 RIDGES.
* MIN HUMIDITY........23-34 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* VENTILATION INDEX...LOW (30-58) INCREASING TO LOW TO MODERATE
(116-236) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....34-39.
* MAX HUMIDITY........53-62 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (59-99) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....59-66...EXCEPT 54-62 RIDGES.
* MIN HUMIDITY........28-37 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE NORTH IN
THE AFTERNOON.
* VENTILATION INDEX...LOW (25-33) INCREASING TO LOW TO MODERATE
(120-228) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 58 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 37 TO 43. HIGHS 61 TO 70. SOUTHWEST
WINDS UP TO 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 38 TO 44. HIGHS 57 TO 66.
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 38 TO 43. HIGHS 58 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 36 TO 41. HIGHS 54 TO 63. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ696-262315-
JOHN DAY VALLEY-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....59-67...EXCEPT 54-59 RIDGES.
* MIN HUMIDITY........22-28 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHEAST 1
TO 5 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-32) INCREASING TO LOW TO MODERATE
(126-216) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....37-42.
* MAX HUMIDITY........53-62 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST 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.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (76-114) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....61-70...EXCEPT 56-61 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.......6000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-31) INCREASING TO LOW (121-197) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 63 TO 72. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 66 TO 74. SOUTHWEST
WINDS UP TO 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 62 TO 71. WEST
WINDS 1 TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 62 TO 71. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 39 TO 44. HIGHS 59 TO 68. NORTHWEST
WINDS UP TO 5 MPH.
ORZ700-262315-
CENTRAL MOUNTAINS OF OREGON-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....60-65...EXCEPT 53-59 RIDGES.
* MIN HUMIDITY........24-33 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 2
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-34) INCREASING TO LOW TO MODERATE
(193-273) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....33-39.
* MAX HUMIDITY........57-72 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (99-145) DECREASING TO LOW (25-30) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....61-66...EXCEPT 55-61 RIDGES.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 1 TO
6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (25-34) INCREASING TO LOW TO MODERATE
(93-205) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 32 TO 39. HIGHS 64 TO 70. NORTHWEST
WINDS 1 TO 6 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 35 TO 44. HIGHS 67 TO 73.
SOUTHWEST WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 36 TO 44. HIGHS 64 TO 69. WEST
WINDS 1 TO 6 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 36 TO 43. HIGHS 63 TO 69.
NORTHWEST WINDS UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 33 TO 41. HIGHS 60 TO 66. NORTHWEST
WINDS 1 TO 6 MPH.
ORZ703-262315-
WARM SPRINGS RESERVATION-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....58-65...EXCEPT 49-56 RIDGES.
* MIN HUMIDITY........30-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 2
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING EAST 1 TO 5
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE EAST
IN THE AFTERNOON.
* VENTILATION INDEX...LOW (25-28) INCREASING TO LOW TO MODERATE
(175-209) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....38-43.
* MAX HUMIDITY........52-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (104-134) DECREASING TO LOW (31-43) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.....60-67...EXCEPT 52-58 RIDGES.
* MIN HUMIDITY........30-38 PERCENT...EXCEPT 37-49 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 2
TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 1 TO 5 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.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (42-62) INCREASING TO LOW TO MODERATE
(165-247) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 63 TO 73. WEST WINDS
UP TO 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 62 TO 75. WEST
WINDS 2 TO 7 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
42 TO 47. HIGHS 61 TO 71. WEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 59 TO 70. WEST
WINDS UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 39 TO 44. HIGHS 59 TO 68. NORTHWEST
WINDS 2 TO 7 MPH.
ORZ704-262315-
NORTHERN DESCHUTES NATIONAL FOREST-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....58-63...EXCEPT 49-56 RIDGES.
* MIN HUMIDITY........31-39 PERCENT...EXCEPT 38-51 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 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.......4500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (25-39) INCREASING TO LOW TO MODERATE
(187-243) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....31-38.
* MAX HUMIDITY........57-72 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 1 TO 6 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (95-125) DECREASING TO LOW (25-34) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....60-65...EXCEPT 52-58 RIDGES.
* MIN HUMIDITY........31-40 PERCENT...EXCEPT 37-52 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 5 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.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...LOW (28-46) INCREASING TO LOW TO MODERATE
(89-207) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 31 TO 38. HIGHS 59 TO 70. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 35 TO 41. HIGHS 59 TO 71. WEST
WINDS 1 TO 6 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
36 TO 42. HIGHS 58 TO 69. WEST WINDS 1 TO 6 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 36 TO 42. HIGHS 56 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 33 TO 40. HIGHS 55 TO 65. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ705-262315-
SOUTHERN DESCHUTES NATIONAL FOREST-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....58-63...EXCEPT 49-57 RIDGES.
* MIN HUMIDITY........28-41 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.......6000 FT AGL.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (33-51) INCREASING TO MODERATE (247-311)
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....29-36.
* MAX HUMIDITY........64-79 PERCENT...EXCEPT 56-66 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* VENTILATION INDEX...LOW (120-168) DECREASING TO LOW (25-33) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.....59-65...EXCEPT 52-60 RIDGES.
* MIN HUMIDITY........28-41 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.......7000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* VENTILATION INDEX...LOW (26-40) INCREASING TO LOW TO MODERATE
(117-207) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 27 TO 35. HIGHS 60 TO 68. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 31 TO 39. HIGHS 61 TO 70. WEST
WINDS UP TO 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 31 TO 39. HIGHS 61 TO 69. WEST
WINDS UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 32 TO 39. HIGHS 58 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 29 TO 37. HIGHS 57 TO 65. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ697-262315-
CENTRAL BLUE MOUNTAINS-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....58-63...EXCEPT 52-59 RIDGES.
* MIN HUMIDITY........26-32 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* VENTILATION INDEX...LOW (26-40) INCREASING TO MODERATE (237-297)
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....34-39.
* MAX HUMIDITY........53-61 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....EAST AROUND 5 MPH.
* VENTILATION INDEX...LOW (70-102) DECREASING TO LOW (25-28) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....62-67...EXCEPT 57-63 RIDGES.
* MIN HUMIDITY........29-34 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* VENTILATION INDEX...LOW (28-40) INCREASING TO LOW TO MODERATE
(171-377) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 60 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS 63 TO 69. WEST
WINDS UP TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 36 TO 42. HIGHS 60 TO 67.
NORTHWEST WINDS UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 36 TO 42. HIGHS 60 TO 67. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 34 TO 40. HIGHS 57 TO 63. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ698-262315-
SOUTHERN BLUE MOUNTAINS-
424 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....59-64...EXCEPT 54-59 RIDGES.
* MIN HUMIDITY........25-30 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.......6000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE SOUTH
IN THE AFTERNOON.
* VENTILATION INDEX...LOW (27-39) INCREASING TO MODERATE (225-295)
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....34-40.
* MAX HUMIDITY........51-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 10 MPH.
* VENTILATION INDEX...LOW (85-119) DECREASING TO LOW (29-41) AFTER
MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....63-68.
* MIN HUMIDITY........24-30 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.......7500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTH IN
THE AFTERNOON.
* VENTILATION INDEX...LOW (33-49) INCREASING TO LOW TO MODERATE
(195-369) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
MONDAY
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS 65 TO 71. NORTHWEST
WINDS 1 TO 6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS 67 TO 73. NORTHWEST
WINDS 1 TO 6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 36 TO 42. HIGHS 65 TO 71.
NORTHWEST WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 36 TO 42. HIGHS 65 TO 71.
NORTHWEST WINDS UP TO 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS 61 TO 67. NORTHWEST
WINDS 1 TO 6 MPH.
8-14 DAY OUTLOOK FOR SATURDAY OCTOBER 3 THROUGH FRIDAY OCTOBER 9
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page