308
FNUS56 KPDT 312132
FWFPDT
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON
NATIONAL WEATHER SERVICE PENDLETON OR
232 PM PDT SAT MAY 31 2025
DISCUSSION
WINDY CONDITIONS WILL STRENGTHEN AND PERSIST THROUGH
THIS EVENING AS A COLD FRONT AND UPPER-LEVEL WEATHER SYSTEM PASSES
THROUGH THE PACIFIC NORTHWEST. WIND ADVISORIES ARE IN EFFECT FOR
MUCH OF THE COLUMBIA BASIN/EASTERN GORGE AS WELL AS IN ADJACENT
AREAS. A HIGH WIND WARNING IS IN EFFECT FOR THE KITTITAS VALLEY,
WHERE WIND GUSTS COULD INCREASE TO AROUND 60MPH. LIGHT RAIN WILL
BE LIMITED TO THE WA CASCADE CREST. DRY CONDITIONS WITH SEASONABLE
TEMPERATURES WILL PERSIST THROUGH THE WEEK.
***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.
WAZ695-011130-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....35-42.
* MAX HUMIDITY........66-81 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 10 TO 16 MPH WITH GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
* VENTILATION INDEX...FAIR TO EXCELLENT (393-773) DECREASING TO
POOR (65-199) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....60-69...EXCEPT 52-61 RIDGES.
* MIN HUMIDITY........24-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH WITH GUSTS UP TO
25 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (99-199) INCREASING TO FAIR TO GOOD
(456-668) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....38-44...EXCEPT 34-39 RIDGES.
* MAX HUMIDITY........50-65 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH. GUSTS TO 30 MPH
IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (432-694) DECREASING TO POOR
(25-99) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....63-70...EXCEPT 54-62 RIDGES.
* MIN HUMIDITY........25-39 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (33-73) INCREASING TO FAIR (384-498) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 37 TO 45. HIGHS 58 TO 72. NORTHWEST
WINDS 4 TO 9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 39 TO 46. HIGHS 60 TO 73. WEST
WINDS 4 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 41 TO 48. HIGHS 62 TO 75.
NORTHWEST WINDS 4 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS 62 TO 75. WEST
WINDS 5 TO 11 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 42 TO 49. HIGHS 67 TO 79.
NORTHWEST WINDS 4 TO 10 MPH.
WAZ690-011130-
KITTITAS VALLEY-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING DUST IN THE
EVENING.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....43-48.
* MAX HUMIDITY........50-65 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...BREEZY. NORTHWEST WINDS 17 TO 27 MPH
DECREASING TO 13 TO 19 MPH AFTER MIDNIGHT. GUSTS TO 40 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 18 TO 28 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH DECREASING TO AROUND
20 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (692-894) DECREASING TO
POOR (72-186) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....69-79...EXCEPT 60-72 RIDGES.
* MIN HUMIDITY........17-25 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 15 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (144-234) INCREASING TO FAIR TO
EXCELLENT (484-710) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....45-50.
* MAX HUMIDITY........41-56 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 12 TO 18 MPH WITH GUSTS UP
TO 35 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 12 TO 18 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
* VENTILATION INDEX...GOOD TO EXCELLENT (686-902) DECREASING TO
POOR (74-170) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....71-79...EXCEPT 61-73 RIDGES.
* MIN HUMIDITY........17-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH DECREASING TO 3
TO 6 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......10500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (57-103) INCREASING TO FAIR TO GOOD
(411-571) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 73 TO 82. NORTHWEST
WINDS 5 TO 11 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 75 TO 84.
NORTHWEST WINDS 5 TO 11 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 77 TO 86.
NORTHWEST WINDS 7 TO 13 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 77 TO 86. NORTHWEST
WINDS 8 TO 14 MPH.
SATURDAY
CLEAR. LOWS 51 TO 56. HIGHS 80 TO 88. NORTHWEST WINDS
7 TO 13 MPH.
WAZ694-011130-
YAKAMA ALPINE DISTRICT-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-44.
* MAX HUMIDITY........63-78 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH WITH GUSTS UP TO 35
MPH SHIFTING TO THE NORTHWEST 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 11 TO 17 MPH BECOMING NORTHWEST 5
TO 11 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH BECOMING NORTHWEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (383-607) DECREASING TO POOR
(26-62) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....68-75...EXCEPT 57-70 RIDGES.
* MIN HUMIDITY........18-30 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
* VENTILATION INDEX...POOR (45-77) INCREASING TO FAIR (262-390) IN
THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-44.
* MAX HUMIDITY........40-55 PERCENT.
* HUMIDITY RECOVERY...MODERATE...EXCEPT POOR RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (294-474) DECREASING TO POOR (25-43)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....68-75...EXCEPT 58-70 RIDGES.
* MIN HUMIDITY........20-32 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING SOUTHWEST 2
TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* VENTILATION INDEX...POOR (25-35) INCREASING TO FAIR (222-430) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 46. HIGHS 65 TO 76. NORTHWEST
WINDS 3 TO 8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 47. HIGHS 66 TO 78. WEST
WINDS 3 TO 8 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 43 TO 49. HIGHS 68 TO 80. WEST
WINDS 3 TO 8 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 44 TO 52. HIGHS 69 TO 81. WEST
WINDS 4 TO 9 MPH.
SATURDAY
CLEAR. LOWS 44 TO 50. HIGHS 72 TO 84. WEST WINDS 3 TO
8 MPH.
ORZ691-WAZ691-011130-
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING DUST IN THE
EVENING.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....44-50.
* MAX HUMIDITY........62-76 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 16 TO 22 MPH WITH GUSTS UP TO 35
MPH DECREASING TO 7 TO 13 MPH WITH GUSTS UP TO 25 MPH AFTER
MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 16 TO 22 MPH DECREASING TO
10 TO 16 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (598-796) DECREASING TO
POOR (40-90) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....71-79.
* MIN HUMIDITY........16-25 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (72-144) INCREASING TO FAIR TO GOOD
(360-502) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....44-49.
* MAX HUMIDITY........47-61 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (266-676) DECREASING TO POOR
(27-97) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....73-80.
* MIN HUMIDITY........17-23 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......10000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (34-72) INCREASING TO FAIR (291-471) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 73 TO 83. WEST
WINDS 4 TO 9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 53. HIGHS 76 TO 85. WEST
WINDS 4 TO 9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 79 TO 87. WEST
WINDS 4 TO 9 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 52 TO 58. HIGHS 79 TO 89. WEST
WINDS 5 TO 11 MPH.
SATURDAY
CLEAR. LOWS 51 TO 56. HIGHS 82 TO 90. WEST WINDS 4 TO
10 MPH.
ORZ692-WAZ692-011130-
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....39-47.
* MAX HUMIDITY........66-81 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH. GUSTS TO 30 MPH IN
THE EVENING.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (478-598) DECREASING TO POOR
(58-122) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....61-71...EXCEPT 54-60 RIDGES.
* MIN HUMIDITY........27-38 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (66-110) INCREASING TO FAIR (297-431) IN
THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-45.
* MAX HUMIDITY........46-60 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING LIGHT WINDS LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR TO FAIR (152-294) DECREASING TO POOR
(25-33) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....62-72...EXCEPT 55-61 RIDGES.
* MIN HUMIDITY........24-32 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (55-89) INCREASING TO FAIR TO GOOD
(372-628) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 47. HIGHS 62 TO 73. WEST
WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 49. HIGHS 65 TO 77. WEST
WINDS 2 TO 7 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS 68 TO 79. WEST
WINDS 2 TO 7 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 47 TO 54. HIGHS 69 TO 80. WEST
WINDS 3 TO 8 MPH.
SATURDAY
CLEAR. LOWS 46 TO 53. HIGHS 70 TO 82. WEST WINDS 3 TO
8 MPH.
ORZ693-WAZ693-011130-
CANYON GRASSLANDS OF WALLOWA COUNTY-
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....42-50.
* MAX HUMIDITY........63-78 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR (375-471) DECREASING TO POOR (48-112)
AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....63-72...EXCEPT 57-64 RIDGES.
* MIN HUMIDITY........24-29 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (63-141) INCREASING TO FAIR TO GOOD
(302-506) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-45.
* MAX HUMIDITY........47-59 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 8 TO 14 MPH BECOMING NORTHWEST 2
TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...FAIR (207-303) DECREASING TO POOR (25-32)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....63-71...EXCEPT 57-64 RIDGES.
* MIN HUMIDITY........21-26 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 4
TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (48-94) INCREASING TO GOOD TO EXCELLENT
(597-761) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 38 TO 46. HIGHS 65 TO 74. NORTHWEST
WINDS 4 TO 9 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 40 TO 48. HIGHS 69 TO 77.
NORTHWEST WINDS 4 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 43 TO 51. HIGHS 72 TO 80.
NORTHWEST WINDS 2 TO 7 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 47 TO 54. HIGHS 73 TO 82. WEST
WINDS 2 TO 7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS 75 TO 84. WEST
WINDS 3 TO 8 MPH.
ORZ701-011130-
EASTERN COLUMBIA RIVER GORGE OF OREGON-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY BLOWING DUST IN THE EVENING.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....42-48.
* MAX HUMIDITY........66-76 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 13 TO 19 MPH WITH GUSTS UP TO 35
MPH DECREASING TO 7 TO 13 MPH WITH GUSTS UP TO 25 MPH AFTER
MIDNIGHT. IN THE EASTERN COLUMBIA RIVER GORGE, WEST WINDS 14
TO 20 MPH WITH GUSTS UP TO 35 MPH DECREASING TO 8 TO 14 MPH
WITH GUSTS UP TO 25 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD TO EXCELLENT (536-818) DECREASING TO
POOR (45-119) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....71-76.
* MIN HUMIDITY........25-33 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH...EXCEPT
NORTHWEST 4 TO 10 MPH IN THE EASTERN COLUMBIA RIVER GORGE.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (56-112) INCREASING TO FAIR (304-408) IN
THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....43-48.
* MAX HUMIDITY........58-68 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH. IN THE EASTERN
COLUMBIA RIVER GORGE, WEST WINDS 9 TO 15 MPH DECREASING TO 4
TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (496-692) DECREASING TO POOR
(33-65) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....72-77.
* MIN HUMIDITY........25-31 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 NORTH 2 TO 6
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-55) INCREASING TO FAIR (256-382) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 71 TO 76. WEST
WINDS 4 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 73 TO 78. WEST
WINDS 4 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 77 TO 82. WEST
WINDS 4 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 75 TO 81. WEST
WINDS 6 TO 12 MPH.
SATURDAY
CLEAR. LOWS 49 TO 54. HIGHS 80 TO 85. NORTHWEST WINDS
4 TO 10 MPH.
ORZ702-011130-
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....36-43.
* MAX HUMIDITY........65-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (339-561) DECREASING TO POOR
(25-73) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....67-73...EXCEPT 60-69 RIDGES.
* MIN HUMIDITY........26-38 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO
5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (41-69) INCREASING TO POOR TO FAIR
(184-270) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-44.
* MAX HUMIDITY........56-71 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH BECOMING WEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (288-512) DECREASING TO POOR
(25-48) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....68-74...EXCEPT 62-70 RIDGES.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-36) INCREASING TO FAIR (246-310) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 37 TO 45. HIGHS 60 TO 73. WEST
WINDS 3 TO 8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 38 TO 45. HIGHS 62 TO 75. WEST
WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 41 TO 48. HIGHS 66 TO 77. WEST
WINDS 3 TO 8 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 44 TO 50. HIGHS 65 TO 77. WEST
WINDS 3 TO 8 MPH.
SATURDAY
CLEAR. LOWS 42 TO 49. HIGHS 71 TO 82. NORTHWEST WINDS
3 TO 8 MPH.
ORZ695-011130-
EAGLE CAP WILDERNESS-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....41-49...EXCEPT 37-43 RIDGES.
* MAX HUMIDITY........69-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH WITH GUSTS UP TO
25 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 16 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (199-397) DECREASING TO POOR
(37-135) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....59-71...EXCEPT 48-60 RIDGES.
* MIN HUMIDITY........25-34 PERCENT...EXCEPT 32-47 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 8 TO 14 MPH WITH GUSTS UP TO 25
MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 9 TO 15 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.
* VENTILATION INDEX...POOR (73-191) INCREASING TO FAIR TO GOOD
(283-561) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-42...EXCEPT 30-38 RIDGES.
* MAX HUMIDITY........51-57 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR TO FAIR (191-363) DECREASING TO POOR
(25-56) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....59-70...EXCEPT 47-60 RIDGES.
* MIN HUMIDITY........23-37 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (72-170) INCREASING TO GOOD TO EXCELLENT
(561-801) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 32 TO 42. HIGHS 55 TO 70. NORTH
WINDS 5 TO 11 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 34 TO 44. HIGHS 59 TO 74.
NORTHWEST WINDS 6 TO 12 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 38 TO 47. HIGHS 62 TO 77.
NORTHWEST WINDS 2 TO 7 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 41 TO 50. HIGHS 64 TO 79. WEST
WINDS 4 TO 9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 41 TO 49. HIGHS 65 TO 80.
NORTHWEST WINDS 5 TO 11 MPH.
ORZ694-011130-
GRANDE RONDE VALLEY OF OREGON-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....45-50.
* MAX HUMIDITY........68-76 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 13 TO 19 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 14 TO 20 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (445-531) DECREASING TO POOR TO
FAIR (142-252) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....67-72.
* MIN HUMIDITY........23-28 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 11 TO 17 MPH WITH GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 14 TO 20 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...POOR TO FAIR (173-311) INCREASING TO GOOD TO
EXCELLENT (530-704) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....40-45.
* MAX HUMIDITY........54-63 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 10 TO 16 MPH DECREASING TO 4
TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 12 TO 19 MPH DECREASING TO 6
TO 11 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH DECREASING TO AROUND
5 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR (294-442) DECREASING TO POOR (25-37)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....68-73.
* MIN HUMIDITY........20-25 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH INCREASING TO 8
TO 14 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH INCREASING TO
NORTH 10 TO 17 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...POOR (59-109) INCREASING TO GOOD TO EXCELLENT
(667-863) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 71 TO 76. NORTHWEST
WINDS 6 TO 12 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 74 TO 79.
NORTHWEST WINDS 6 TO 12 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 77 TO 82.
NORTHWEST WINDS 3 TO 8 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 79 TO 84. NORTHWEST
WINDS 5 TO 11 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 80 TO 85.
NORTHWEST WINDS 6 TO 12 MPH.
ORZ699-011130-
WESTERN FORESTED BLUE MOUNTAINS-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....38-43.
* MAX HUMIDITY........70-82 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (350-508) DECREASING TO POOR
(41-115) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....61-68...EXCEPT 55-62 RIDGES.
* MIN HUMIDITY........22-31 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (84-144) INCREASING TO FAIR (375-497) IN
THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....35-40.
* MAX HUMIDITY........51-60 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR (257-405) DECREASING TO POOR (25-51)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....63-70...EXCEPT 57-64 RIDGES.
* MIN HUMIDITY........22-30 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO
7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (41-99) INCREASING TO FAIR TO GOOD
(421-625) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 61 TO 70. NORTHWEST
WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 65 TO 74.
NORTHWEST WINDS 1 TO 6 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 68 TO 76.
NORTHWEST WINDS 1 TO 6 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 78. WEST WINDS
2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 44 TO 49. HIGHS 71 TO 80. WEST WINDS 2 TO
7 MPH.
ORZ696-011130-
JOHN DAY VALLEY-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....40-46.
* MAX HUMIDITY........69-78 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH DECREASING TO 3
TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 17 MPH DECREASING TO 5
TO 11 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD (523-681) DECREASING TO POOR (47-111)
AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....65-72...EXCEPT 60-65 RIDGES.
* MIN HUMIDITY........18-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (74-126) INCREASING TO FAIR TO GOOD
(442-544) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....38-43.
* MAX HUMIDITY........55-63 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH DECREASING TO AROUND
5 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR (360-486) DECREASING TO POOR (25-44)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....67-75...EXCEPT 62-67 RIDGES.
* MIN HUMIDITY........18-23 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 3
TO 7 MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (32-60) INCREASING TO FAIR (389-493) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 67 TO 75. NORTHWEST
WINDS 2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 71 TO 79.
NORTHWEST WINDS 3 TO 8 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 74 TO 82.
NORTHWEST WINDS 2 TO 7 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 76 TO 84. WEST WINDS
2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 46 TO 51. HIGHS 77 TO 85. WEST WINDS 2 TO
7 MPH.
ORZ700-011130-
CENTRAL MOUNTAINS OF OREGON-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....38-43.
* MAX HUMIDITY........71-79 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 15 MPH WITH GUSTS UP TO
30 MPH DECREASING TO 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...GOOD (512-696) DECREASING TO POOR (36-140)
AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....67-72...EXCEPT 58-65 RIDGES.
* MIN HUMIDITY........16-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH INCREASING TO 7 TO 13
MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (64-138) INCREASING TO FAIR TO GOOD
(490-614) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....35-41.
* MAX HUMIDITY........61-73 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH SHIFTING TO THE
NORTHWEST 1 TO 6 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 20 MPH BECOMING NORTHWEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO EXCELLENT (492-716) DECREASING TO
POOR (25-63) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....69-75...EXCEPT 61-68 RIDGES.
* MIN HUMIDITY........16-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO
7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 7
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-48) INCREASING TO FAIR (344-436) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 36 TO 43. HIGHS 68 TO 75. NORTHWEST
WINDS 4 TO 9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 38 TO 44. HIGHS 72 TO 78.
NORTHWEST WINDS 4 TO 9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 75 TO 80.
NORTHWEST WINDS 2 TO 7 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 77 TO 82. WEST WINDS
3 TO 8 MPH.
SATURDAY
CLEAR. LOWS 44 TO 49. HIGHS 79 TO 85. NORTHWEST WINDS
3 TO 8 MPH.
ORZ703-011130-
WARM SPRINGS RESERVATION-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING DUST IN THE
EVENING.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....42-47...EXCEPT 37-42 RIDGES.
* MAX HUMIDITY........65-73 PERCENT...EXCEPT 70-85 PERCENT RIDGES.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 10 TO 16 MPH WITH GUSTS UP
TO 30 MPH DECREASING TO 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 25 MPH BECOMING NORTHWEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (463-619) DECREASING TO POOR
(32-88) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....68-75...EXCEPT 57-66 RIDGES.
* MIN HUMIDITY........19-28 PERCENT...EXCEPT 26-39 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 4
TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR (52-76) INCREASING TO FAIR (271-425) IN
THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....38-43.
* MAX HUMIDITY........61-73 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH BECOMING WEST AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (377-557) DECREASING TO POOR
(25-59) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....70-77...EXCEPT 60-67 RIDGES.
* MIN HUMIDITY........20-25 PERCENT...EXCEPT 24-37 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO
7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-34) INCREASING TO FAIR (310-360) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 39 TO 44. HIGHS 65 TO 77. NORTHWEST
WINDS 4 TO 9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 68 TO 80. WEST
WINDS 4 TO 9 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 71 TO 82.
NORTHWEST WINDS 3 TO 8 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 71 TO 83. WEST WINDS
4 TO 10 MPH.
SATURDAY
CLEAR. LOWS 44 TO 49. HIGHS 76 TO 86. NORTHWEST WINDS
4 TO 9 MPH.
ORZ704-011130-
NORTHERN DESCHUTES NATIONAL FOREST-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....36-41.
* MAX HUMIDITY........71-82 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 5 MPH
AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (345-513) DECREASING TO POOR
(25-33) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....69-75...EXCEPT 55-66 RIDGES.
* MIN HUMIDITY........19-24 PERCENT...EXCEPT 24-36 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 3
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR (39-55) INCREASING TO FAIR (350-436) IN
THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....35-40.
* MAX HUMIDITY........59-68 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 7 TO 13 MPH SHIFTING TO THE
NORTHWEST 2 TO 7 MPH AFTER MIDNIGHT.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...FAIR (297-399) DECREASING TO POOR (25-27)
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....71-76...EXCEPT 58-68 RIDGES.
* MIN HUMIDITY........19-24 PERCENT...EXCEPT 24-36 PERCENT RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 1 TO
5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 7
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-33) INCREASING TO FAIR (301-379) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 62 TO 74. NORTHWEST
WINDS 4 TO 9 MPH.
WEDNESDAY
CLEAR. LOWS 37 TO 42. HIGHS 65 TO 77. WEST WINDS
4 TO 9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 39 TO 44. HIGHS 68 TO 79.
NORTHWEST WINDS 3 TO 8 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 69 TO 81. WEST
WINDS 3 TO 8 MPH.
SATURDAY
CLEAR. LOWS 41 TO 46. HIGHS 73 TO 85. NORTHWEST WINDS
3 TO 8 MPH.
ORZ705-011130-
SOUTHERN DESCHUTES NATIONAL FOREST-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-42.
* MAX HUMIDITY........81-90 PERCENT.
* HUMIDITY RECOVERY...EXCELLENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
* VENTILATION INDEX...FAIR TO GOOD (280-504) DECREASING TO POOR
(34-114) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....64-70...EXCEPT 54-63 RIDGES.
* MIN HUMIDITY........16-25 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
* VENTILATION INDEX...POOR (62-130) INCREASING TO FAIR TO GOOD
(454-624) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....34-39.
* MAX HUMIDITY........63-74 PERCENT.
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 7 MPH IN THE EVENING
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 20 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (432-692) DECREASING TO POOR
(25-55) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....68-73...EXCEPT 58-66 RIDGES.
* MIN HUMIDITY........16-27 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 1 TO
6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 7
MPH IN THE AFTERNOON.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* VENTILATION INDEX...POOR (25-41) INCREASING TO FAIR (298-388) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
CLEAR. LOWS 36 TO 41. HIGHS 63 TO 73. NORTHWEST WINDS
2 TO 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 67 TO 76.
NORTHWEST WINDS 2 TO 7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 39 TO 44. HIGHS 69 TO 79.
NORTHWEST WINDS 2 TO 7 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 71 TO 82. NORTHWEST
WINDS 2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 41 TO 46. HIGHS 75 TO 85. NORTHWEST WINDS
2 TO 7 MPH.
ORZ697-011130-
CENTRAL BLUE MOUNTAINS-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....39-44.
* MAX HUMIDITY........69-77 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH WITH GUSTS UP TO
25 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (413-591) DECREASING TO POOR
(67-151) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....63-68...EXCEPT 58-64 RIDGES.
* MIN HUMIDITY........20-25 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
* VENTILATION INDEX...POOR (87-151) INCREASING TO FAIR TO GOOD
(361-505) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....35-40.
* MAX HUMIDITY........53-62 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND
10 MPH AFTER MIDNIGHT.
* VENTILATION INDEX...FAIR TO GOOD (376-530) DECREASING TO POOR
(27-77) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....65-70...EXCEPT 59-65 RIDGES.
* MIN HUMIDITY........19-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 3 TO
7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* VENTILATION INDEX...POOR (54-106) INCREASING TO FAIR TO GOOD
(409-509) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 63 TO 70. NORTHWEST
WINDS 3 TO 8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 67 TO 73.
NORTHWEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 69 TO 76.
NORTHWEST WINDS 2 TO 7 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 72 TO 79. WEST WINDS
2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 44 TO 49. HIGHS 74 TO 80. NORTHWEST WINDS
2 TO 7 MPH.
ORZ698-011130-
SOUTHERN BLUE MOUNTAINS-
232 PM PDT SAT MAY 31 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....41-48.
* MAX HUMIDITY........64-75 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH WITH GUSTS UP TO
30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
* VENTILATION INDEX...GOOD TO EXCELLENT (599-751) DECREASING TO
POOR (111-197) AFTER MIDNIGHT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....64-71.
* MIN HUMIDITY........16-21 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.
* VENTILATION INDEX...POOR (113-173) INCREASING TO FAIR TO GOOD
(423-543) IN THE AFTERNOON.
SUNDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHC OF LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....36-41.
* MAX HUMIDITY........52-63 PERCENT.
* HUMIDITY RECOVERY...MODERATE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
* VENTILATION INDEX...FAIR TO GOOD (445-603) DECREASING TO POOR
(54-100) AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHC OF LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....67-73.
* MIN HUMIDITY........14-19 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 3
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.
* CWR.................0 PERCENT.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.
* VENTILATION INDEX...POOR (58-92) INCREASING TO FAIR (397-465) IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 68 TO 73. NORTHWEST
WINDS 3 TO 8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 71 TO 76.
NORTHWEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 74 TO 79.
NORTHWEST WINDS 1 TO 6 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 77 TO 82. NORTHWEST
WINDS 2 TO 7 MPH.
SATURDAY
CLEAR. LOWS 44 TO 49. HIGHS 79 TO 84. NORTHWEST WINDS
2 TO 7 MPH.
8-14 DAY OUTLOOK FOR SUNDAY JUNE 8 THROUGH SATURDAY JUNE 14
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION.
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