120  
FNUS56 KPDT 231158  
FWFPDT  
 
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON  
NATIONAL WEATHER SERVICE PENDLETON OR  
458 AM PDT FRI OCT 23 2026  
 
   
DISCUSSION  
BREEZY WINDS PREVAIL THROUGH FRIDAY WITH MIN RH  
VALUES DROPPING DOWN TO 30 TO 40 PERCENT WITH VERY ISOLATED  
OVERLAP ACROSS THE KITTITAS AND THE COLUMBIA BASIN OF WASHINGTON.  
WINDS BECOME LIGHTER GOING INTO SATURDAY WITH LOWER MIN RH VALUES  
DROPPING DOWN TO 25 TO 35 PERCENT. OVERNIGHT RECOVERIES WILL BE  
GOOD TO EXCELLENT IN MOST OF THE REGION WITH FAIR TO GOOD VALUES  
IN SOME OF THE VALLEYS NEAR THE JOHN DAY BASIN AND CENTRAL OREGON.  
 
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES ***  
***CWR: CHANCE OF WETTING RAIN 0.10 OR GREATER ***  
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND  
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.  
CATEGORIES ARE A GENERALIZED INDICATOR AND USERS  
ARE ENCOURAGE TO DEVELOP CRITERIA THAT ARE  
SUITABLE AND REPRESENTATIVE OF DISPERSION  
CONDITIONS IN THEIR LOCAL AREA OF INTEREST.  
CATEGORIES: LOW (< 200), MODERATE (200-500),  
HIGH (500-700), AND VERY HIGH (> 700).  
-NOTE: MAX TRANSPORT WINDS MAY NOT OCCUR  
AT THE SAME TIME AS MAX MIXING HEIGHT. ***  
 
WAZ695-232315-  
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
AREAS OF FROST IN THE MORNING.  
* MAX TEMPERATURE.....48-55...EXCEPT 41-48 RIDGES.  
* MIN HUMIDITY........34-49 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...LOW (96-162) INCREASING TO MODERATE (201-309)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....28-33.  
* MAX HUMIDITY........64-79 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (32-60) DECREASING TO LOW (25) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
* MAX TEMPERATURE.....49-55...EXCEPT 43-49 RIDGES.  
* MIN HUMIDITY........33-45 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....0 PERCENT.  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-26) INCREASING TO LOW (101-137) IN  
THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 31 TO 36. HIGHS 41 TO 51. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 32 TO 37. HIGHS 41 TO 52. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
31 TO 36. HIGHS 39 TO 51. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 29 TO 35. HIGHS 39 TO 50. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 28 TO 34. HIGHS 39 TO 50. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.  
 
 
 
WAZ690-232315-  
KITTITAS VALLEY-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....56-63...EXCEPT 49-56 RIDGES.  
* MIN HUMIDITY........25-36 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 15 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 14 TO 20 MPH DECREASING TO 4  
TO 10 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
* VENTILATION INDEX...LOW (95-163) INCREASING TO MODERATE (314-404)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....29-36.  
* MAX HUMIDITY........62-77 PERCENT...EXCEPT 56-64 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT MODERATE RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (37-63) DECREASING TO LOW (25-26) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....50-56...EXCEPT 43-51 RIDGES.  
* MIN HUMIDITY........38-43 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE SOUTH  
IN THE AFTERNOON.  
* VENTILATION INDEX...LOW (25) INCREASING TO LOW (90-124) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 31 TO  
38. HIGHS 49 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 34 TO 40.  
HIGHS 50 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY  
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 32 TO  
39. HIGHS 50 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
31 TO 37. HIGHS 48 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 30 TO  
37. HIGHS 46 TO 53. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.  
 
 
 
WAZ694-232315-  
YAKAMA ALPINE DISTRICT-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FROST IN THE MORNING.  
* MAX TEMPERATURE.....54-60...EXCEPT 45-54 RIDGES.  
* MIN HUMIDITY........27-42 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (38-82) INCREASING TO LOW TO MODERATE  
(146-216) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF FROST IN THE EVENING.  
WIDESPREAD FROST AFTER MIDNIGHT.  
* MIN TEMPERATURE.....28-35.  
* MAX HUMIDITY........71-86 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-43).  
   
SATURDAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MAX TEMPERATURE.....52-57...EXCEPT 45-53 RIDGES.  
* MIN HUMIDITY........35-45 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....0 PERCENT.  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25) INCREASING TO LOW (94-124) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 30 TO 37. HIGHS 45 TO 55. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 32 TO 38. HIGHS 43 TO 54. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
31 TO 37. HIGHS 43 TO 54. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY  
CLOUDY. LOWS 29 TO 35. HIGHS 42 TO 54. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 28 TO 34. HIGHS 41 TO 53. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.  
 
 
 
ORZ691-WAZ691-232315-  
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....55-63.  
* MIN HUMIDITY........27-42 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (58-110) INCREASING TO MODERATE (246-476)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.  
* MIN TEMPERATURE.....30-35.  
* MAX HUMIDITY........78-93 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 1 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.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
* VENTILATION INDEX...LOW (28-60) DECREASING TO LOW (25-31) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST IN THE  
MORNING.  
* MAX TEMPERATURE.....55-60.  
* MIN HUMIDITY........37-51 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-31) INCREASING TO LOW (53-101) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 32 TO 38. HIGHS 54 TO 59. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 34 TO 39.  
HIGHS 52 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
33 TO 38. HIGHS 52 TO 58. SOUTHWEST WINDS 1 TO 6 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
32 TO 37. HIGHS 51 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
31 TO 36. HIGHS 48 TO 54. NORTH WINDS 1 TO 5 MPH.  
 
 
 
ORZ692-WAZ692-232315-  
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....43-52...EXCEPT 37-42 RIDGES.  
* MIN HUMIDITY........43-58 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (141-215) INCREASING TO  
MODERATE (403-493) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....24-33.  
* MAX HUMIDITY........65-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (40-78) DECREASING TO LOW (25-28) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....52-59...EXCEPT 45-51 RIDGES.  
* MIN HUMIDITY........31-39 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (26-40) INCREASING TO LOW (100-178) IN  
THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 30 TO 39. HIGHS 52 TO 61. SOUTHEAST  
WINDS 2 TO 7 MPH.    
MONDAY  
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 33 TO 41.  
HIGHS 47 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY  
SHOWERS LIKELY. LOWS 32 TO 38. HIGHS 41 TO 52. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 29 TO  
36. HIGHS 44 TO 53. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 28 TO 35. HIGHS 44 TO 52. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ693-WAZ693-232315-  
CANYON GRASSLANDS OF WALLOWA COUNTY-  
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....44-54...EXCEPT 40-49 RIDGES.  
* MIN HUMIDITY........43-57 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (145-249) INCREASING TO  
MODERATE TO HIGH (415-523) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....23-32.  
* MAX HUMIDITY........66-81 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (50-72) DECREASING TO LOW (25-26) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....51-59...EXCEPT 46-52 RIDGES.  
* MIN HUMIDITY........31-40 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING SOUTH 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (25-28) INCREASING TO LOW (99-199) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 28 TO 37. HIGHS 55 TO 64. SOUTH  
WINDS 4 TO 9 MPH.    
MONDAY  
A CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 31 TO 40.  
HIGHS 51 TO 59. SOUTH WINDS 2 TO 7 MPH.    
TUESDAY  
SHOWERS LIKELY. LOWS 29 TO 39. HIGHS 44 TO 53. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 27 TO 36.  
HIGHS 46 TO 55. SOUTH WINDS UP TO 5 MPH.    
THURSDAY  
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. PARTLY  
CLOUDY. LOWS 26 TO 35. HIGHS 47 TO 55. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ701-232315-  
EASTERN COLUMBIA RIVER GORGE OF OREGON-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....57-62...EXCEPT 52-57 RIDGES.  
* MIN HUMIDITY........34-47 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH, GUSTS TO 25 MPH IN  
THE MORNING. IN THE EASTERN COLUMBIA RIVER GORGE, WEST WINDS  
13 TO 19 MPH DECREASING TO 6 TO 12 MPH IN THE AFTERNOON,  
GUSTS TO 30 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH DECREASING TO 2 TO 7  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (78-182) INCREASING TO MODERATE (217-359)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT.  
* MIN TEMPERATURE.....30-35.  
* MAX HUMIDITY........81-96 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 6 MPH IN THE EVENING.  
DRAINAGE WINDS LESS THAN 5 MPH. IN THE EASTERN COLUMBIA RIVER  
GORGE, WEST WINDS 2 TO 7 MPH IN THE EVENING.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (44-78) DECREASING TO LOW (25) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.....56-61.  
* MIN HUMIDITY........36-48 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.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-31) INCREASING TO LOW (98-126) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO 38.  
HIGHS 54 TO 59. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 35 TO 40.  
HIGHS 52 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 35 TO 40.  
HIGHS 52 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS  
33 TO 38. HIGHS 52 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO  
37. HIGHS 51 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.  
 
 
 
ORZ702-232315-  
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
PATCHY FROST IN THE MORNING.  
* MAX TEMPERATURE.....49-58...EXCEPT 45-52 RIDGES.  
* MIN HUMIDITY........38-53 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH IN THE MORNING  
BECOMING UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (88-150) INCREASING TO LOW TO MODERATE  
(157-219) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....29-34.  
* MAX HUMIDITY........72-87 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (34-54) DECREASING TO LOW (25) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
* MAX TEMPERATURE.....54-59...EXCEPT 49-54 RIDGES.  
* MIN HUMIDITY........31-39 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......2000 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-33) INCREASING TO LOW (89-127) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 33 TO 38.  
HIGHS 46 TO 56. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 33 TO 39. HIGHS 42 TO 53. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO 38.  
HIGHS 41 TO 53. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 31 TO 36. HIGHS 42 TO 53. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 30 TO 36. HIGHS 41 TO 51. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.  
 
 
 
ORZ695-232315-  
EAGLE CAP WILDERNESS-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
CHANCE OF RAIN AND SNOW SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....40-52...EXCEPT 33-43 RIDGES.  
* MIN HUMIDITY........43-55 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (142-256) INCREASING TO  
MODERATE (355-497) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....22-29.  
* MAX HUMIDITY........56-71 PERCENT.  
* HUMIDITY RECOVERY...MODERATE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 2 TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (52-108) DECREASING TO LOW (25-29) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....48-57...EXCEPT 39-47 RIDGES.  
* MIN HUMIDITY........31-40 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING SOUTH 2 TO  
7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (25-36) INCREASING TO LOW TO MODERATE  
(135-233) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 27 TO 35. HIGHS 45 TO 59. SOUTH  
WINDS 6 TO 12 MPH.    
MONDAY  
A CHANCE OF RAIN AND SNOW SHOWERS. PARTLY CLOUDY. LOWS  
31 TO 38. HIGHS 42 TO 56. SOUTH WINDS 4 TO 9 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH RAIN AND SNOW SHOWERS LIKELY. LOWS  
28 TO 35. HIGHS 36 TO 50. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY  
CLOUDY. LOWS 25 TO 32. HIGHS 38 TO 52. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.    
THURSDAY  
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. PARTLY  
CLOUDY. LOWS 26 TO 33. HIGHS 40 TO 53. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ694-232315-  
GRANDE RONDE VALLEY OF OREGON-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....48-53.  
* MIN HUMIDITY........44-51 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 10 TO 16 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 16 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
* VENTILATION INDEX...MODERATE (212-318) INCREASING TO HIGH  
(509-665) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....20-26.  
* MAX HUMIDITY........74-89 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (49-103) DECREASING TO LOW (25) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....55-60.  
* MIN HUMIDITY........32-37 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING SOUTH 4 TO  
9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING SOUTH 7 TO 12  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH INCREASING TO SOUTH  
AROUND 15 MPH IN THE AFTERNOON.  
* VENTILATION INDEX...LOW (25-35) INCREASING TO MODERATE (244-308)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 26 TO 33. HIGHS 58 TO 63. SOUTH  
WINDS 8 TO 14 MPH.    
MONDAY  
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 29 TO 35.  
HIGHS 55 TO 60. SOUTH WINDS 4 TO 9 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS 27 TO 33.  
HIGHS 50 TO 55. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 25 TO 30.  
HIGHS 52 TO 57. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 24 TO  
30. HIGHS 53 TO 58. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.  
 
 
 
ORZ699-232315-  
WESTERN FORESTED BLUE MOUNTAINS-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
AREAS OF FROST IN THE MORNING.  
* MAX TEMPERATURE.....44-49...EXCEPT 38-44 RIDGES.  
* MIN HUMIDITY........42-57 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (131-257) INCREASING TO  
MODERATE TO HIGH (348-506) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....23-29.  
* MAX HUMIDITY........60-75 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE EAST  
AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (39-81) DECREASING TO LOW (25-26) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....52-58...EXCEPT 47-53 RIDGES.  
* MIN HUMIDITY........23-33 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (25-34) INCREASING TO LOW TO MODERATE  
(150-214) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 27 TO 35. HIGHS 52 TO 60. SOUTHEAST  
WINDS 3 TO 8 MPH.    
MONDAY  
A CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY CLOUDY. LOWS  
31 TO 38. HIGHS 47 TO 55. SOUTHEAST WINDS 1 TO 6 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 29 TO 35. HIGHS 41 TO 49. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 26 TO 32. HIGHS 44 TO 52. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 26 TO 32. HIGHS 44 TO 52. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ696-232315-  
JOHN DAY VALLEY-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....46-54...EXCEPT 42-47 RIDGES.  
* MIN HUMIDITY........42-54 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.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (102-202) INCREASING TO  
MODERATE (281-443) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....25-30.  
* MAX HUMIDITY........62-74 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING  
SOUTHEAST 1 TO 5 MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (31-59) DECREASING TO LOW (25) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....54-61...EXCEPT 49-54 RIDGES.  
* MIN HUMIDITY........26-34 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 6 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (26-34) INCREASING TO LOW TO MODERATE  
(137-233) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS 56 TO 65. SOUTHEAST  
WINDS 3 TO 8 MPH.    
MONDAY  
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 34 TO 39.  
HIGHS 50 TO 59. SOUTHEAST WINDS 1 TO 6 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 31 TO 36.  
HIGHS 46 TO 54. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 48 TO 56.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY  
CLOUDY. LOWS 29 TO 34. HIGHS 47 TO 56. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ700-232315-  
CENTRAL MOUNTAINS OF OREGON-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
WIDESPREAD FROST IN THE MORNING.  
* MAX TEMPERATURE.....47-53...EXCEPT 41-46 RIDGES.  
* MIN HUMIDITY........33-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (63-153) INCREASING TO MODERATE (224-388)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....18-29.  
* MAX HUMIDITY........68-83 PERCENT...EXCEPT 63-71 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (33-67) DECREASING TO LOW (25-26) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....54-60...EXCEPT 48-53 RIDGES.  
* MIN HUMIDITY........28-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (27-45) INCREASING TO LOW TO MODERATE  
(138-262) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 22 TO 35. HIGHS 57 TO 63. SOUTHEAST  
WINDS 3 TO 8 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 26 TO 36. HIGHS 49 TO 55. SOUTH WINDS 2 TO 7 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 22 TO 33.  
HIGHS 46 TO 52. SOUTHWEST WINDS UP TO 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 20 TO 31. HIGHS 48 TO 53.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. MOSTLY  
CLOUDY. LOWS 22 TO 31. HIGHS 47 TO 53. SOUTHWEST WINDS UP TO  
5 MPH.  
 
 
 
ORZ703-232315-  
WARM SPRINGS RESERVATION-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
AREAS OF FROST IN THE MORNING.  
* MAX TEMPERATURE.....53-58...EXCEPT 43-50 RIDGES.  
* MIN HUMIDITY........33-41 PERCENT...EXCEPT 43-58 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH BECOMING NORTHWEST 2  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (69-151) INCREASING TO MODERATE (217-299)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST.  
* MIN TEMPERATURE.....27-32.  
* MAX HUMIDITY........72-87 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
* VENTILATION INDEX...LOW (38-60) DECREASING TO LOW (25-26) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....56-61...EXCEPT 50-55 RIDGES.  
* MIN HUMIDITY........28-33 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-29) INCREASING TO LOW (89-147) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 32 TO  
37. HIGHS 53 TO 61. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 33 TO 38. HIGHS 46 TO 55. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 32 TO 37.  
HIGHS 46 TO 54. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
30 TO 35. HIGHS 47 TO 54. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 30 TO 35. HIGHS 45 TO 52. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ704-232315-  
NORTHERN DESCHUTES NATIONAL FOREST-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
AREAS OF FROST IN THE MORNING.  
* MAX TEMPERATURE.....52-57...EXCEPT 41-50 RIDGES.  
* MIN HUMIDITY........31-37 PERCENT...EXCEPT 36-51 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH IN THE MORNING  
BECOMING UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH DECREASING TO 1  
TO 5 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (68-130) INCREASING TO LOW TO MODERATE  
(193-261) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST.  
* MIN TEMPERATURE.....22-30.  
* MAX HUMIDITY........67-82 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (27-39) DECREASING TO LOW (25-27) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....58-63...EXCEPT 51-56 RIDGES.  
* MIN HUMIDITY........22-29 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
* VENTILATION INDEX...LOW (25-29) INCREASING TO LOW (79-125) IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 28 TO  
37. HIGHS 51 TO 61. SOUTHWEST WINDS UP TO 5 MPH.    
MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 28 TO 36. HIGHS 42 TO 52. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 27 TO 34. HIGHS 41 TO 51. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
25 TO 32. HIGHS 43 TO 53. TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 25 TO 31. HIGHS 42 TO 51. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.  
 
 
 
ORZ705-232315-  
SOUTHERN DESCHUTES NATIONAL FOREST-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST IN THE  
MORNING.  
* MAX TEMPERATURE.....46-51...EXCEPT 41-46 RIDGES.  
* MIN HUMIDITY........28-38 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH BECOMING NORTH 2  
TO 6 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (70-140) INCREASING TO MODERATE (218-304)  
IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST.  
* MIN TEMPERATURE.....18-27...EXCEPT 24-30 RIDGES.  
* MAX HUMIDITY........67-82 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 5 MPH BECOMING  
SOUTHEAST 1 TO 6 MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (33-59) DECREASING TO LOW (25-29) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....55-60...EXCEPT 49-56 RIDGES.  
* MIN HUMIDITY........22-27 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH WINDS 1 TO 5 MPH IN THE MORNING  
BECOMING UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS 1 TO 6 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (25-38) INCREASING TO LOW (115-165) IN  
THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 21 TO  
33. HIGHS 53 TO 61. SOUTH WINDS 1 TO 6 MPH.    
MONDAY  
COOLER. MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 22 TO 32. HIGHS 43 TO 51. SOUTHWEST WINDS 1 TO  
6 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 20 TO 30. HIGHS 42 TO 49. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 18 TO 28. HIGHS 45 TO 51.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 18 TO 28. HIGHS 45 TO 52. TERRAIN DRIVEN WINDS LESS  
THAN 5 MPH.  
 
 
 
ORZ697-232315-  
CENTRAL BLUE MOUNTAINS-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....44-49...EXCEPT 38-44 RIDGES.  
* MIN HUMIDITY........44-54 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.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
* VENTILATION INDEX...MODERATE (220-296) INCREASING TO MODERATE  
(382-466) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....19-26.  
* MAX HUMIDITY........60-75 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 5 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.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (69-101) DECREASING TO LOW (25-26) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....50-55...EXCEPT 45-52 RIDGES.  
* MIN HUMIDITY........27-32 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (26-36) INCREASING TO LOW TO MODERATE  
(176-234) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 24 TO 30. HIGHS 50 TO 58. SOUTHEAST  
WINDS 1 TO 6 MPH.    
MONDAY  
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 27 TO 34. HIGHS 47 TO 53. SOUTHEAST WINDS 2 TO 7 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 24 TO 31. HIGHS 42 TO 48. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 22 TO 29. HIGHS 44 TO 51.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS.  
LOWS 23 TO 30. HIGHS 45 TO 51. TERRAIN DRIVEN WINDS LESS THAN  
5 MPH.  
 
 
 
ORZ698-232315-  
SOUTHERN BLUE MOUNTAINS-  
458 AM PDT FRI OCT 23 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....44-49...EXCEPT 39-44 RIDGES.  
* MIN HUMIDITY........39-49 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.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 20 MPH.  
* VENTILATION INDEX...MODERATE (217-329) INCREASING TO MODERATE TO  
HIGH (443-505) IN THE AFTERNOON.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. WIDESPREAD FROST.  
* MIN TEMPERATURE.....16-23...EXCEPT 21-26 RIDGES.  
* MAX HUMIDITY........63-77 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH DECREASING TO AROUND 5  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...LOW (84-106) DECREASING TO LOW (25) AFTER  
MIDNIGHT.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....49-54.  
* MIN HUMIDITY........30-36 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING SOUTHEAST 2  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (25-33) INCREASING TO LOW TO MODERATE  
(153-211) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY  
PARTLY CLOUDY. LOWS 21 TO 28. HIGHS 53 TO 58. SOUTHEAST  
WINDS 1 TO 6 MPH.    
MONDAY  
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS 26 TO 32. HIGHS 50 TO 55. SOUTHEAST WINDS 2 TO 7 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
22 TO 29. HIGHS 46 TO 51. WEST WINDS 1 TO 6 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 20 TO 26. HIGHS 48 TO 53.  
TERRAIN DRIVEN WINDS LESS THAN 5 MPH.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS.  
LOWS 22 TO 28. HIGHS 49 TO 54. SOUTH WINDS 1 TO 6 MPH.  
 
 
 
.8-14 DAY OUTLOOK FOR FRIDAY OCTOBER 30 THROUGH THURSDAY NOVEMBER 5...  
 
A GREATER CHANCE OF NEAR NORMAL TEMPERATURES AND NEAR NORMAL TO  
ABOVE NORMAL PRECIPITATION.  
 
 
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