213
FNUS56 KPDT 202132
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
232 PM PDT SUN JUL 20 2025
DISCUSSION
AN APPROACHING SYSTEM IS INCREASING HUMIDITIES
ACROSS THE AREA AS ISOLATED LIGHT RAIN IS ALREADY BEGINNING OVER
THE LOWER COLUMBIA BASIN. BREEZY WINDS STILL THROUGH THE EASTERN
GORGE, BUT SHOULD DISSIPATE THIS EVENING. A SLIGHT CHANCE
(10-15%) OF AN ISOLATED THUNDERSTORM THIS EVENING AND OVERNIGHT
ACROSS EASTERN GRANT AND CROOK COUNTIES, BUT A WETTING RAIN IS
EXPECTED TO OCCUR NEAR ANY DEVELOPING CELLS. RAIN CHANCES (40-70%)
BECOME MORE WIDESPREAD OVERNIGHT INTO MONDAY MORNING, WITH
THUNDERSTORM CHANCES (20-40%) OVER THE EASTERN MOUNTAINS, BLUE
MOUNTAIN FOOTHILLS, AND THE EAST SLOPES OF THE CASCADES THROUGH
THE AFTERNOON AND EVENING. NEW FIRE STARTS ARE NOT EXPECTED AS
STORMS ARE EXPECTED TO BE QUITE WET.
***THUNDERSTORMS IMPLY STRONG GUSTY WINDS***
***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.
WAZ695-211130-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.....47-54.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (109-287) DECREASING TO POOR
(26-86) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.....63-72...EXCEPT 55-62 RIDGES.
* MIN HUMIDITY........55-69 PERCENT...EXCEPT 66-80 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 1
TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................50 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* VENTILATION INDEX...POOR (43-93) INCREASING TO POOR TO FAIR
(120-228) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........80-95 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (105-247) DECREASING TO POOR
(33-109) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....68-77...EXCEPT 59-67 RIDGES.
* MIN HUMIDITY........49-63 PERCENT...EXCEPT 61-76 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 1 TO 5
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.
* CWR.................30 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (39-113) INCREASING TO POOR TO FAIR
(159-303) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS 48 TO
54. HIGHS 69 TO 83. WEST WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 50 TO 56. HIGHS 68 TO 82. WEST
WINDS 2 TO 7 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 65 TO 80. WEST WINDS
4 TO 9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 65 TO 79. WEST
WINDS 3 TO 8 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 68 TO 82. WEST WINDS
3 TO 8 MPH.
WAZ690-211130-
KITTITAS VALLEY-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.....57-62...EXCEPT 52-60 RIDGES.
* MAX HUMIDITY........67-82 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (309-409) DECREASING TO POOR (37-93)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.....70-76...EXCEPT 59-70 RIDGES.
* MIN HUMIDITY........50-65 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 6 MPH.
* CWR.................40 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST IN THE AFTERNOON.
* VENTILATION INDEX...POOR (49-101) INCREASING TO POOR TO FAIR
(154-256) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.....54-60.
* MAX HUMIDITY........73-88 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (143-243) DECREASING TO POOR
(28-86) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....76-84...EXCEPT 64-78 RIDGES.
* MIN HUMIDITY........42-54 PERCENT...EXCEPT 50-65 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (42-108) INCREASING TO FAIR (213-331) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 55 TO 61. HIGHS 82 TO 90.
NORTHWEST WINDS 2 TO 7 MPH.
THURSDAY
CLEAR. LOWS 58 TO 63. HIGHS 85 TO 93. WEST WINDS 4 TO
9 MPH.
FRIDAY
CLEAR. LOWS 57 TO 62. HIGHS 82 TO 91. NORTHWEST WINDS
7 TO 13 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 81 TO 90. WEST
WINDS 5 TO 11 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 83 TO 91. WEST WINDS
5 TO 11 MPH.
WAZ694-211130-
YAKAMA ALPINE DISTRICT-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....47-55.
* MAX HUMIDITY........78-93 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 5 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (96-206) DECREASING TO POOR
(26-48) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....67-74...EXCEPT 57-68 RIDGES.
* MIN HUMIDITY........44-59 PERCENT...EXCEPT 56-71 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................20 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (31-61) INCREASING TO POOR TO FAIR
(119-213) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....46-54.
* MAX HUMIDITY........81-96 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (106-202) DECREASING TO POOR
(25-55) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....74-82...EXCEPT 64-76 RIDGES.
* MIN HUMIDITY........39-51 PERCENT...EXCEPT 49-64 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (28-58) INCREASING TO POOR TO FAIR
(153-271) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 58. HIGHS 74 TO 87. WEST
WINDS 1 TO 5 MPH.
THURSDAY
CLEAR. LOWS 51 TO 58. HIGHS 74 TO 88. WEST WINDS 2 TO
7 MPH.
FRIDAY
CLEAR. LOWS 48 TO 55. HIGHS 73 TO 86. WEST WINDS 4 TO
9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS 72 TO 85. WEST
WINDS 3 TO 8 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 48 TO 55. HIGHS 74 TO 87. WEST WINDS
2 TO 7 MPH.
ORZ691-WAZ691-211130-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. HAZY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.....55-62.
* MAX HUMIDITY........67-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (166-288) DECREASING TO POOR
(32-66) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....73-79...EXCEPT 68-74 RIDGES.
* MIN HUMIDITY........37-51 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (53-111) INCREASING TO FAIR (206-402) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-60.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (135-337) DECREASING TO POOR
(25-57) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....82-87...EXCEPT 76-82 RIDGES.
* MIN HUMIDITY........30-40 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (41-125) INCREASING TO FAIR TO GOOD
(308-516) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 86 TO 91. WEST
WINDS 2 TO 7 MPH.
THURSDAY
CLEAR. LOWS 59 TO 64. HIGHS 87 TO 95. SOUTHWEST WINDS
4 TO 9 MPH.
FRIDAY
CLEAR. LOWS 57 TO 64. HIGHS 85 TO 93. WEST WINDS 5 TO
11 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 56 TO 62. HIGHS 84 TO 91. WEST
WINDS 5 TO 11 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 85 TO 93. WEST WINDS
4 TO 9 MPH.
ORZ692-WAZ692-211130-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT. HAZY AFTER MIDNIGHT.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........85-100 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.................30 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (104-174) DECREASING TO POOR (25-55)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....65-75...EXCEPT 58-64 RIDGES.
* MIN HUMIDITY........46-61 PERCENT...EXCEPT 57-72 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................40 PERCENT.
* CHC OF LIGHTNING....30 PERCENT (CHANCE).
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (28-56) INCREASING TO POOR TO FAIR
(147-253) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....48-56.
* MAX HUMIDITY........81-96 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (62-124) DECREASING TO POOR (25-50)
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....72-82...EXCEPT 64-70 RIDGES.
* MIN HUMIDITY........37-52 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 1 TO 5
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (51-109) INCREASING TO FAIR (263-415) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 58. HIGHS 73 TO 84. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
CLEAR. LOWS 52 TO 61. HIGHS 77 TO 89. SOUTHWEST WINDS
2 TO 7 MPH.
FRIDAY
CLEAR. LOWS 52 TO 60. HIGHS 76 TO 88. SOUTHWEST WINDS
2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 52 TO 60. HIGHS 75 TO 86. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 52 TO 60. HIGHS 77 TO 87. WEST WINDS
2 TO 7 MPH.
ORZ693-WAZ693-211130-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
* MIN TEMPERATURE.....49-57.
* MAX HUMIDITY........84-99 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 6 MPH.
* CWR.................40 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (126-228) DECREASING TO POOR
(25-73) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....66-75...EXCEPT 60-67 RIDGES.
* MIN HUMIDITY........50-63 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................60 PERCENT.
* CHC OF LIGHTNING....40 PERCENT (CHANCE).
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (26-62) INCREASING TO POOR TO FAIR
(133-247) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....46-56.
* MAX HUMIDITY........81-96 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.................10 PERCENT.
* CHC OF LIGHTNING....30 PERCENT (CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (40-100) DECREASING TO POOR (25-52)
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....71-79...EXCEPT 65-72 RIDGES.
* MIN HUMIDITY........36-45 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (34-70) INCREASING TO FAIR (299-441) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 58. HIGHS 76 TO 85. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49 TO 59. HIGHS 81 TO 90. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 50 TO 61. HIGHS 81 TO 91. WEST WINDS
1 TO 6 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 51 TO 61. HIGHS 80 TO 90. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 51 TO 61. HIGHS 82 TO 91. NORTHWEST
WINDS 1 TO 6 MPH.
ORZ701-211130-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........73-88 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH...EXCEPT WEST 3
TO 8 MPH IN THE EASTERN COLUMBIA RIVER GORGE.
* RIDGES/UPR SLOPES....WEST WINDS 3 TO 8 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR TO FAIR (165-279) DECREASING TO POOR
(25-77) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS.
* MAX TEMPERATURE.....73-78.
* MIN HUMIDITY........39-49 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (54-160) INCREASING TO FAIR (296-462) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....51-57.
* MAX HUMIDITY........76-91 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 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.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (270-420) DECREASING TO POOR (36-100)
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....82-87...EXCEPT 77-82 RIDGES.
* MIN HUMIDITY........33-41 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 7 MPH IN THE AFTERNOON. IN THE EASTERN COLUMBIA RIVER
GORGE, WEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (48-144) INCREASING TO FAIR (267-393) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 86 TO 91. WEST
WINDS 2 TO 7 MPH.
THURSDAY
CLEAR. LOWS 56 TO 61. HIGHS 84 TO 90. WEST WINDS 4 TO
9 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 82 TO 88. WEST WINDS
6 TO 12 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 52 TO 58. HIGHS 81 TO 87. WEST
WINDS 4 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 83 TO 88. WEST WINDS
4 TO 9 MPH.
ORZ702-211130-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....50-57...EXCEPT 47-52 RIDGES.
* MAX HUMIDITY........75-90 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.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (61-181) DECREASING TO POOR (25-50)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
CHANCE OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS
IN THE AFTERNOON.
* MAX TEMPERATURE.....70-75...EXCEPT 62-71 RIDGES.
* MIN HUMIDITY........41-56 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (34-108) INCREASING TO POOR TO FAIR
(154-312) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....46-54.
* MAX HUMIDITY........76-91 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.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (136-290) DECREASING TO POOR
(25-72) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-85...EXCEPT 69-79 RIDGES.
* MIN HUMIDITY........34-48 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.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (27-81) INCREASING TO POOR TO FAIR
(141-251) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 58. HIGHS 75 TO 88. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
CLEAR. LOWS 51 TO 59. HIGHS 74 TO 88. WEST WINDS 1 TO
6 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 49 TO 57. HIGHS 71 TO 86. WEST WINDS
2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 55. HIGHS 71 TO 85. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 48 TO 55. HIGHS 72 TO 86. WEST WINDS
2 TO 7 MPH.
ORZ695-211130-
EAGLE CAP WILDERNESS-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.....48-56...EXCEPT 43-49 RIDGES.
* MAX HUMIDITY........85-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.
* CWR.................40 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (88-206) DECREASING TO POOR
(25-94) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....62-73...EXCEPT 52-63 RIDGES.
* MIN HUMIDITY........50-65 PERCENT...EXCEPT 62-77 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................60 PERCENT.
* CHC OF LIGHTNING....40 PERCENT (CHANCE).
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-92) INCREASING TO POOR TO FAIR
(149-275) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING.
* MIN TEMPERATURE.....46-53...EXCEPT 41-48 RIDGES.
* MAX HUMIDITY........83-98 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.................10 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (37-89) DECREASING TO POOR (25-67) AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....67-79...EXCEPT 57-68 RIDGES.
* MIN HUMIDITY........34-49 PERCENT...EXCEPT 45-60 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (26-72) INCREASING TO FAIR TO GOOD
(333-529) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 54. HIGHS 66 TO 81. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 47 TO 56. HIGHS 70 TO 85.
NORTHWEST WINDS 1 TO 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 71 TO 86. WEST WINDS
1 TO 6 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 70 TO 85. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 72 TO 87. NORTHWEST
WINDS 2 TO 7 MPH.
ORZ694-211130-
GRANDE RONDE VALLEY OF OREGON-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........88-98 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................50 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (193-259) DECREASING TO POOR
(79-113) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.....70-75.
* MIN HUMIDITY........55-61 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................60 PERCENT.
* CHC OF LIGHTNING....40 PERCENT (CHANCE).
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-49) INCREASING TO POOR TO FAIR
(89-203) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR. A
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........90-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (94-138) DECREASING TO POOR (48-78)
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....76-81.
* MIN HUMIDITY........39-44 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 5 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (62-108) INCREASING TO FAIR (357-441) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 81 TO 86. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 86 TO 91.
NORTHWEST WINDS 1 TO 6 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 86 TO 91. NORTHWEST
WINDS 1 TO 6 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 85 TO 90.
NORTHWEST WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 87 TO 92. NORTHWEST
WINDS 2 TO 7 MPH.
ORZ699-211130-
WESTERN FORESTED BLUE MOUNTAINS-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT. HAZY AFTER MIDNIGHT.
* MIN TEMPERATURE.....47-53.
* 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.
* CWR.................40 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (146-262) DECREASING TO POOR
(26-76) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.....66-72...EXCEPT 60-67 RIDGES.
* MIN HUMIDITY........46-61 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................50 PERCENT.
* CHC OF LIGHTNING....40 PERCENT (CHANCE).
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-68) INCREASING TO POOR TO FAIR
(149-257) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....43-50.
* MAX HUMIDITY........83-98 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (71-213) DECREASING TO POOR
(25-63) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....72-78...EXCEPT 64-73 RIDGES.
* MIN HUMIDITY........32-47 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (38-92) INCREASING TO FAIR (274-474) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 73 TO 82. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49 TO 56. HIGHS 77 TO 86. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 49 TO 56. HIGHS 76 TO 86. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 75 TO 85. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 77 TO 85. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ696-211130-
JOHN DAY VALLEY-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. HAZY. A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....51-57.
* MAX HUMIDITY........72-85 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 6 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...FAIR (238-374) DECREASING TO POOR (39-117)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
HAZY IN THE MORNING. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....69-77...EXCEPT 65-70 RIDGES.
* MIN HUMIDITY........35-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 5 MPH IN THE AFTERNOON.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....30 PERCENT (CHANCE).
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-45) INCREASING TO FAIR (238-362) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HAZY.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...FAIR (203-353) DECREASING TO POOR (32-76)
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....75-83...EXCEPT 71-76 RIDGES.
* MIN HUMIDITY........26-34 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....10 PERCENT (VERY LOW CHANCE).
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (39-79) INCREASING TO FAIR (261-447) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 57. HIGHS 79 TO 88. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS 83 TO 91.
NORTHWEST WINDS 1 TO 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 82 TO 91. WEST WINDS
2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 52 TO 58. HIGHS 81 TO 90. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 82 TO 90. NORTHWEST
WINDS 1 TO 6 MPH.
ORZ700-211130-
CENTRAL MOUNTAINS OF OREGON-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. AREAS OF SMOKE IN THE EVENING. HAZY.
A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....47-53.
* MAX HUMIDITY........72-85 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (313-495) DECREASING TO POOR (39-105)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
HAZY. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....71-76...EXCEPT 63-70 RIDGES.
* MIN HUMIDITY........33-41 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 6 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (38-74) INCREASING TO FAIR (317-489) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE IN THE EVENING.
HAZY.
* MIN TEMPERATURE.....41-50.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (315-505) DECREASING TO POOR
(29-87) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZY IN THE MORNING.
* MAX TEMPERATURE.....77-83...EXCEPT 69-75 RIDGES.
* MIN HUMIDITY........24-31 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (29-53) INCREASING TO FAIR (227-347) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 54. HIGHS 80 TO 87.
NORTHWEST WINDS 1 TO 6 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS 84 TO 90.
NORTHWEST WINDS 1 TO 6 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 48 TO 55. HIGHS 82 TO 88. WEST WINDS
3 TO 8 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS 81 TO 88. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 82 TO 89. NORTHWEST
WINDS 2 TO 7 MPH.
ORZ703-211130-
WARM SPRINGS RESERVATION-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF SMOKE. HAZY AFTER
MIDNIGHT. A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....53-58...EXCEPT 47-52 RIDGES.
* MAX HUMIDITY........68-76 PERCENT...EXCEPT 73-88 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (172-314) DECREASING TO POOR
(29-53) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
HAZY IN THE MORNING. A SLIGHT CHANCE OF SHOWERS.
* MAX TEMPERATURE.....70-79...EXCEPT 58-68 RIDGES.
* MIN HUMIDITY........33-44 PERCENT...EXCEPT 50-65 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (54-114) INCREASING TO FAIR (280-438) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE IN THE EVENING.
HAZY AFTER MIDNIGHT.
* MIN TEMPERATURE.....51-56...EXCEPT 46-51 RIDGES.
* MAX HUMIDITY........72-84 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (238-374) DECREASING TO POOR (28-72)
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZY IN THE MORNING.
* MAX TEMPERATURE.....79-87...EXCEPT 67-77 RIDGES.
* MIN HUMIDITY........27-37 PERCENT...EXCEPT 40-55 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 5 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (35-65) INCREASING TO POOR TO FAIR
(197-255) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 80 TO 91.
NORTHWEST WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 80 TO 93. WEST
WINDS 2 TO 7 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 51 TO 57. HIGHS 78 TO 91. WEST WINDS
4 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 50 TO 56. HIGHS 77 TO 90. WEST
WINDS 3 TO 8 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 79 TO 91. WEST WINDS
2 TO 7 MPH.
ORZ704-211130-
NORTHERN DESCHUTES NATIONAL FOREST-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS.
* MIN TEMPERATURE.....44-51.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH
AFTER MIDNIGHT.
* VENTILATION INDEX...POOR TO FAIR (184-342) DECREASING TO POOR
(27-61) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS.
* MAX TEMPERATURE.....70-76...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY........38-47 PERCENT...EXCEPT 53-68 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 6 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (53-131) INCREASING TO FAIR (228-412) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....42-48.
* MAX HUMIDITY........77-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (156-298) DECREASING TO POOR
(25-55) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-84...EXCEPT 64-75 RIDGES.
* MIN HUMIDITY........30-39 PERCENT...EXCEPT 41-56 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.......8500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (26-54) INCREASING TO POOR TO FAIR
(170-214) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 53. HIGHS 74 TO 88. WEST
WINDS UP TO 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS 76 TO 89. WEST
WINDS 2 TO 7 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS 74 TO 87. WEST WINDS
4 TO 9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS 72 TO 86. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 74 TO 87. WEST WINDS
2 TO 7 MPH.
ORZ705-211130-
SOUTHERN DESCHUTES NATIONAL FOREST-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SHOWERS.
* MIN TEMPERATURE.....42-47.
* MAX HUMIDITY........84-99 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 6 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 6 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...FAIR (218-422) DECREASING TO POOR (28-66)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS.
* MAX TEMPERATURE.....67-73...EXCEPT 58-66 RIDGES.
* MIN HUMIDITY........38-47 PERCENT...EXCEPT 47-62 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 5 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (55-127) INCREASING TO FAIR (268-472) IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....39-45.
* MAX HUMIDITY........90-100 PERCENT...EXCEPT 78-93 PERCENT RIDGES.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (176-374) DECREASING TO POOR
(25-61) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-80...EXCEPT 64-72 RIDGES.
* MIN HUMIDITY........29-38 PERCENT...EXCEPT 35-50 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.......9500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (25-37) INCREASING TO POOR TO FAIR
(163-255) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 48. HIGHS 75 TO 84. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 44 TO 51. HIGHS 76 TO 86. WEST
WINDS 1 TO 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 75 TO 85. WEST WINDS
2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS 74 TO 84. WEST
WINDS 1 TO 6 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS 75 TO 85. WEST WINDS
1 TO 5 MPH.
ORZ697-211130-
CENTRAL BLUE MOUNTAINS-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. HAZY AFTER MIDNIGHT.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........79-94 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 5 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................20 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (188-326) DECREASING TO POOR
(38-116) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. HAZY IN THE MORNING. A CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....67-72...EXCEPT 62-68 RIDGES.
* MIN HUMIDITY........43-57 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 5 MPH IN THE MORNING
BECOMING LIGHT LESS THAN 5 MPH.
* CWR.................40 PERCENT.
* CHC OF LIGHTNING....40 PERCENT (CHANCE).
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (25-107) INCREASING TO POOR TO FAIR
(189-423) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.....42-48.
* MAX HUMIDITY........85-100 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 5 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (102-272) DECREASING TO POOR
(28-68) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....72-77...EXCEPT 66-72 RIDGES.
* MIN HUMIDITY........29-38 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (38-90) INCREASING TO FAIR TO GOOD
(466-666) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 73 TO 80. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 77 TO 84. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS 77 TO 83. WEST WINDS
1 TO 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS 76 TO 83. WEST
WINDS 1 TO 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 78 TO 85. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
ORZ698-211130-
SOUTHERN BLUE MOUNTAINS-
232 PM PDT SUN JUL 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. HAZY AFTER MIDNIGHT.
* MIN TEMPERATURE.....48-55.
* MAX HUMIDITY........70-83 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................10 PERCENT.
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...FAIR (312-452) DECREASING TO POOR (51-119)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY. HAZY IN THE MORNING. A CHANCE
OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....69-76.
* MIN HUMIDITY........35-46 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING WEST 2 TO 5
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................30 PERCENT.
* CHC OF LIGHTNING....30 PERCENT (CHANCE).
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (25-81) INCREASING TO FAIR TO GOOD
(399-625) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HAZY AFTER MIDNIGHT.
* MIN TEMPERATURE.....43-48.
* MAX HUMIDITY........80-92 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 5 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (197-405) DECREASING TO POOR
(35-93) AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZY IN THE MORNING. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....72-77...EXCEPT 67-72 RIDGES.
* 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....20 PERCENT (SLIGHT CHANCE).
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (38-86) INCREASING TO GOOD (519-661) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS 78 TO 84. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 81 TO 88. TERRAIN
DRIVEN WINDS LESS THAN 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 81 TO 87. NORTHWEST
WINDS 1 TO 6 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 80 TO 87. WEST
WINDS 2 TO 7 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS 82 TO 88. WEST WINDS
1 TO 6 MPH.
8-14 DAY OUTLOOK FOR MONDAY JULY 28 THROUGH SUNDAY AUGUST 3
A GREATER CHANCE OF NEAR TO ABOVE NORMAL TEMPERATURES AND NEAR TO
BELOW NORMAL PRECIPITATION.
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