070  
FNUS56 KPDT 252113  
FWFPDT  
 
FIRE WEATHER PLANNING FORECAST FOR NE OREGON AND SE WASHINGTON  
NATIONAL WEATHER SERVICE PENDLETON OR  
213 PM PDT MON MAY 25 2026  
 
   
DISCUSSION
 
A COLD FRONT IS PASSING OVER THE AREA TODAY, LEADING  
TO BREEZY WINDS AND THE POTENTIAL FOR ISOLATED THUNDERSTORMS MID-  
AFTERNOON THROUGH THE EVENING. MAIN CONCERNS WILL BE FREQUENT  
LIGHTNING AND BREEZY, ERRATIC OUTFLOW WINDS. STRONGEST WINDS WILL  
OCCUR OVER THE SIMCOE HIGHLANDS AND CENTRAL OREGON AS A WIND  
ADVISORY IS IN EFFECT UNTIL 11 PM. A WETTING RAIN IS LIKELY FOR  
PORTIONS OF OR691/696/699/700. THE SYSTEM STALLS TO OUR SOUTH,  
KEEPING SHOWERS AND ISOLATED THUNDERSTORMS THROUGH THE WEEK.  
 
***THUNDERSTORMS IMPLY STRONG GUSTY WINDS ***  
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES ***  
***CWR: CHANCE OF WETTING RAIN 0.10 OR GREATER ***  
***VENTILATION INDEX IS DERIVED FROM 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. ***  
 
WAZ695-261145-  
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....34-41.  
* MAX HUMIDITY........77-92 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 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....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE (296-480) DECREASING TO LOW  
(115-165) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....51-60...EXCEPT 43-51 RIDGES.  
* MIN HUMIDITY........52-67 PERCENT...EXCEPT 64-79 PERCENT RIDGES.  
* 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....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (149-223) INCREASING TO  
MODERATE (247-411) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....37-44.  
* MAX HUMIDITY........74-89 PERCENT.  
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (158-242) DECREASING TO LOW  
(45-65) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....68-77...EXCEPT 60-69 RIDGES.  
* MIN HUMIDITY........39-51 PERCENT...EXCEPT 47-62 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (59-103) INCREASING TO MODERATE (274-472)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 44 TO 52. HIGHS 66 TO 81. NORTHWEST WINDS  
2 TO 7 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 43 TO 52. HIGHS 52 TO 65.  
WEST WINDS 7 TO 13 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 34 TO 41. HIGHS 50 TO 63. WEST  
WINDS 9 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
33 TO 39. HIGHS 53 TO 65. WEST WINDS 5 TO 11 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 35 TO 41. HIGHS 62 TO 74. EAST WINDS  
3 TO 8 MPH.  
 

 
 
WAZ690-261145-  
KITTITAS VALLEY-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....42-47.  
* MAX HUMIDITY........67-82 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH WITH GUSTS UP TO 30  
MPH SHIFTING TO THE NORTHWEST 4 TO 9 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 20 MPH BECOMING NORTHWEST AROUND  
10 MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO HIGH (477-653) DECREASING TO LOW  
(86-160) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MAX TEMPERATURE.....60-68...EXCEPT 51-60 RIDGES.  
* MIN HUMIDITY........39-54 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH SHIFTING TO THE  
NORTH 5 TO 8 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (160-274) INCREASING TO  
MODERATE TO HIGH (363-537) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........63-78 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (193-283) DECREASING TO LOW  
(47-71) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....76-83...EXCEPT 67-76 RIDGES.  
* MIN HUMIDITY........36-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 16 MPH SHIFTING TO THE  
NORTH 5 TO 10 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (75-131) INCREASING TO MODERATE TO HIGH  
(426-514) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 51 TO 56. HIGHS 79 TO 87. NORTHWEST WINDS  
4 TO 9 MPH.    
FRIDAY
 
NOT AS WARM. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 52 TO 57. HIGHS 67 TO 76. NORTHWEST WINDS  
12 TO 18 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 42 TO  
47. HIGHS 63 TO 72. WEST WINDS 13 TO 19 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 64 TO 73. WEST WINDS  
8 TO 14 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 71 TO 79. NORTHEAST  
WINDS 4 TO 9 MPH.  
 

 
 
WAZ694-261145-  
YAKAMA ALPINE DISTRICT-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.....35-41.  
* MAX HUMIDITY........78-93 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 9 TO 15 MPH WITH GUSTS UP TO 45  
MPH DECREASING TO 2 TO 7 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH DECREASING TO 4 TO 9  
MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO HIGH (340-520) DECREASING TO LOW  
(55-111) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.....57-64...EXCEPT 46-57 RIDGES.  
* MIN HUMIDITY........40-55 PERCENT...EXCEPT 53-68 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (107-155) INCREASING TO MODERATE  
(242-384) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
* MIN TEMPERATURE.....38-45.  
* MAX HUMIDITY........74-89 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 5 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (117-183) DECREASING TO LOW (28-44) AFTER  
MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE.....72-79...EXCEPT 63-74 RIDGES.  
* MIN HUMIDITY........38-53 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO  
6 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (37-61) INCREASING TO MODERATE (317-485)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 52. HIGHS 71 TO 82. NORTHWEST  
WINDS 1 TO 6 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 45 TO 52. HIGHS 56 TO 69.  
WEST WINDS 6 TO 12 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 35 TO 42. HIGHS 55 TO 67. WEST  
WINDS 7 TO 13 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 34 TO 41. HIGHS 57 TO 69. WEST WINDS  
4 TO 9 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 37 TO 44. HIGHS 65 TO 77. EAST WINDS  
2 TO 7 MPH.  
 

 
 
ORZ691-WAZ691-261145-  
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....41-46.  
* MAX HUMIDITY........75-90 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 11 TO 17 MPH WITH GUSTS UP TO 35  
MPH BECOMING SOUTHWEST 5 TO 11 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS 13 TO 19 MPH DECREASING TO 6 TO  
12 MPH AFTER MIDNIGHT.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 25 MPH BECOMING SOUTHWEST AROUND  
15 MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO VERY HIGH (455-743) DECREASING TO  
LOW TO MODERATE (62-216) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
MORNING.  
* MAX TEMPERATURE.....59-67...EXCEPT 56-62 RIDGES.  
* MIN HUMIDITY........41-56 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH SHIFTING TO THE NORTH  
4 TO 9 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (135-229) INCREASING TO LOW  
TO MODERATE (176-476) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....44-49.  
* MAX HUMIDITY........76-91 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT...EXCEPT GOOD RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (63-301) DECREASING TO LOW  
(35-101) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....72-82...EXCEPT 70-76 RIDGES.  
* MIN HUMIDITY........38-53 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH SHIFTING TO THE NORTH  
3 TO 8 MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE NORTH IN  
THE AFTERNOON.  
* VENTILATION INDEX...LOW (55-105) INCREASING TO LOW TO MODERATE  
(161-367) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
48 TO 54. HIGHS 78 TO 88. WEST WINDS 2 TO 7 MPH.    
FRIDAY
 
NOT AS WARM. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 65 TO 77. SOUTHWEST WINDS  
9 TO 15 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 42 TO  
47. HIGHS 65 TO 74. WEST WINDS 11 TO 17 MPH.    
SUNDAY
 
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
41 TO 46. HIGHS 67 TO 74. WEST WINDS 5 TO 11 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS 74 TO 81. NORTHEAST  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ692-WAZ692-261145-  
NORTHERN BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS OF WASHINGTON-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS  
LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....36-43.  
* MAX HUMIDITY........91-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH WITH GUSTS UP TO  
30 MPH BECOMING WEST 2 TO 7 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 11 TO 17 MPH BECOMING WEST 5  
TO 11 MPH AFTER MIDNIGHT.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...MODERATE TO HIGH (320-552) DECREASING TO LOW  
TO MODERATE (151-215) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........CLOUDY. RAIN AND SNOW SHOWERS IN THE MORNING,  
THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....48-57...EXCEPT 42-47 RIDGES.  
* MIN HUMIDITY........65-80 PERCENT...EXCEPT 76-91 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 1 TO 5 MPH IN THE MORNING  
BECOMING UPSLOPE LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 6 MPH IN THE MORNING  
BECOMING LIGHT LESS THAN 5 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (93-135) INCREASING TO LOW (94-172) IN  
THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....39-46.  
* MAX HUMIDITY........84-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 5 MPH IN THE EVENING  
BECOMING LIGHT WINDS LESS THAN 5 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
* VENTILATION INDEX...LOW (66-118) DECREASING TO LOW (46-98) AFTER  
MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....63-71...EXCEPT 58-63 RIDGES.  
* MIN HUMIDITY........56-71 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....LIGHT LESS THAN 5 MPH BECOMING NORTH 2 TO 6  
MPH IN THE AFTERNOON.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (57-97) INCREASING TO LOW TO MODERATE  
(171-275) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 44 TO 52. HIGHS 68 TO 78. NORTH  
WINDS UP TO 5 MPH.    
FRIDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS  
47 TO 54. HIGHS 59 TO 68. SOUTHWEST WINDS 3 TO 8 MPH.    
SATURDAY
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS 40 TO 46.  
HIGHS 57 TO 66. WEST WINDS 4 TO 9 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
38 TO 44. HIGHS 58 TO 67. WEST WINDS 1 TO 6 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 39 TO 45. HIGHS 66 TO 76. NORTH  
WINDS 1 TO 6 MPH.  
 

 
 
ORZ693-WAZ693-261145-  
CANYON GRASSLANDS OF WALLOWA COUNTY-  
SOUTHEAST WASHINGTON GRANDE RONDE VALLEY-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....38-47.  
* MAX HUMIDITY........81-96 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (252-444) DECREASING TO LOW TO  
MODERATE (142-206) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY IN THE MORNING,  
THEN A CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....49-59...EXCEPT 46-52 RIDGES.  
* MIN HUMIDITY........59-74 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (93-151) INCREASING TO LOW TO MODERATE  
(111-219) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. SHOWERS LIKELY.  
* MIN TEMPERATURE.....39-47.  
* MAX HUMIDITY........79-94 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.................40 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (86-192) DECREASING TO LOW (48-134) AFTER  
MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....64-72...EXCEPT 58-64 RIDGES.  
* MIN HUMIDITY........49-59 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 2 TO  
7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (58-124) INCREASING TO MODERATE (222-272)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 43 TO 51. HIGHS 70 TO 79. NORTH WINDS 1 TO  
6 MPH.    
FRIDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS  
45 TO 54. HIGHS 63 TO 72. SOUTHWEST WINDS 1 TO 6 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 40 TO 48. HIGHS 60 TO 69. WEST  
WINDS 1 TO 6 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 38 TO 45. HIGHS 62 TO 70. NORTHWEST WINDS UP  
TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 38 TO 46. HIGHS 70 TO 78. NORTHEAST  
WINDS 1 TO 6 MPH.  
 

 
 
ORZ701-261145-  
EASTERN COLUMBIA RIVER GORGE OF OREGON-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS IN THE EVENING.  
* MIN TEMPERATURE.....39-44.  
* MAX HUMIDITY........78-92 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH WITH GUSTS UP TO 30  
MPH DECREASING TO 2 TO 7 MPH AFTER MIDNIGHT. IN THE EASTERN  
COLUMBIA RIVER GORGE, WEST WINDS 6 TO 12 MPH, GUSTS TO 30 MPH  
IN THE EVENING.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH DECREASING TO 1 TO 6  
MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE (290-412) DECREASING TO LOW (25-76)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....60-66.  
* MIN HUMIDITY........41-53 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH...EXCEPT  
NORTHWEST 5 TO 11 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (134-216) INCREASING TO  
MODERATE TO HIGH (398-612) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
* MIN TEMPERATURE.....42-48.  
* MAX HUMIDITY........76-90 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WINDS WEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (244-350) DECREASING TO LOW (42-64)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....73-78.  
* MIN HUMIDITY........40-48 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH...EXCEPT WEST 2  
TO 7 MPH IN THE EASTERN COLUMBIA RIVER GORGE.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (55-103) INCREASING TO MODERATE (231-347)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
47 TO 53. HIGHS 77 TO 82. WEST WINDS 2 TO 7 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 48 TO 53. HIGHS 62 TO 68.  
WEST WINDS 10 TO 16 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 39 TO 45. HIGHS 63 TO 68. WEST  
WINDS 10 TO 16 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 39 TO 44. HIGHS 67 TO 72. WEST WINDS  
5 TO 11 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 75 TO 81. EAST WINDS  
1 TO 6 MPH.  
 

 
 
ORZ702-261145-  
EAST SLOPES OF THE MT. HOOD NATIONAL FOREST-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. A SLIGHT CHANCE OF SNOW SHOWERS. A SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....32-40.  
* MAX HUMIDITY........79-94 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE (323-413) DECREASING TO LOW (78-178)  
AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.....54-62...EXCEPT 47-57 RIDGES.  
* MIN HUMIDITY........42-55 PERCENT...EXCEPT 53-68 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (132-184) INCREASING TO MODERATE  
(274-400) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS.  
* MIN TEMPERATURE.....37-44.  
* MAX HUMIDITY........78-93 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (213-287) DECREASING TO LOW (44-76)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE.....69-76...EXCEPT 62-71 RIDGES.  
* MIN HUMIDITY........44-59 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 1 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 1 TO 6 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (45-83) INCREASING TO MODERATE (262-406)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
43 TO 50. HIGHS 67 TO 80. NORTHWEST WINDS UP TO 5 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 41 TO 50. HIGHS 50 TO 64.  
WEST WINDS 6 TO 12 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 33 TO 40. HIGHS 52 TO 65. WEST  
WINDS 6 TO 12 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 32 TO 39. HIGHS 57 TO 68. NORTHWEST  
WINDS 2 TO 7 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 37 TO 43. HIGHS 67 TO 76. EAST WINDS  
UP TO 5 MPH.  
 

 
 
ORZ695-261145-  
EAGLE CAP WILDERNESS-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS.  
* MIN TEMPERATURE.....36-46...EXCEPT 32-41 RIDGES.  
* MAX HUMIDITY........84-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 8 TO 14 MPH WITH GUSTS UP TO 25  
MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 8 TO 14 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (107-385) DECREASING TO LOW  
TO MODERATE (83-207) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE  
MORNING. A CHANCE OF SHOWERS. A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....45-60...EXCEPT 38-50 RIDGES.  
* MIN HUMIDITY........62-77 PERCENT...EXCEPT 76-91 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (88-176) INCREASING TO LOW TO MODERATE  
(114-214) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SNOW SHOWERS IN  
THE EVENING. SHOWERS LIKELY. SNOW SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....39-45...EXCEPT 34-41 RIDGES.  
* MAX HUMIDITY........84-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 7 TO 13 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 9 TO 15 MPH.  
* CWR.................60 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (102-244) DECREASING TO LOW  
TO MODERATE (66-204) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....62-74...EXCEPT 53-63 RIDGES.  
* MIN HUMIDITY........51-66 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 10 TO 16 MPH DECREASING TO 4 TO  
9 MPH IN THE AFTERNOON.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (64-186) INCREASING TO LOW TO MODERATE  
(177-305) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS 40 TO 48. HIGHS 62 TO 76. NORTH WINDS 2 TO  
7 MPH.    
FRIDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS 42 TO 50.  
HIGHS 54 TO 67. WEST WINDS 2 TO 7 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 36 TO 44. HIGHS 52 TO 66. NORTHWEST  
WINDS 2 TO 7 MPH.    
SUNDAY
 
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. PARTLY CLOUDY. LOWS 35 TO 43. HIGHS 54 TO 68.  
NORTHWEST WINDS 1 TO 6 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 36 TO 44. HIGHS 62 TO 76. NORTH  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ694-261145-  
GRANDE RONDE VALLEY OF OREGON-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....36-41.  
* MAX HUMIDITY........93-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 13 TO 19 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 13 TO 19 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.  
* VENTILATION INDEX...MODERATE TO HIGH (381-609) DECREASING TO  
MODERATE (237-373) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS IN THE MORNING, THEN A  
CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....52-57.  
* MIN HUMIDITY........63-71 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH.  
* CWR.................30 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (150-282) INCREASING TO LOW  
TO MODERATE (193-321) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. SHOWERS IN THE EVENING, THEN SHOWERS  
LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....38-43.  
* MAX HUMIDITY........92-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 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.................50 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (159-287) DECREASING TO LOW  
TO MODERATE (123-259) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....69-74.  
* MIN HUMIDITY........49-55 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 10 TO 16 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 11 TO 17 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (160-276) INCREASING TO  
MODERATE (328-410) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
A CHANCE OF SHOWERS AND THUNDERSTORMS. MOSTLY CLOUDY.  
LOWS 43 TO 48. HIGHS 75 TO 80. NORTHWEST WINDS 4 TO 10 MPH.    
FRIDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS  
45 TO 50. HIGHS 66 TO 71. SOUTHWEST WINDS 2 TO 7 MPH.    
SATURDAY
 
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. MOSTLY CLOUDY. LOWS 39 TO 44. HIGHS 65 TO 70.  
NORTHWEST WINDS 4 TO 9 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
37 TO 42. HIGHS 66 TO 71. NORTHWEST WINDS 2 TO 7 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 75 TO 80. NORTH  
WINDS 2 TO 7 MPH.  
 

 
 
ORZ699-261145-  
WESTERN FORESTED BLUE MOUNTAINS-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN SHOWERS AND A CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....36-41...EXCEPT 31-37 RIDGES.  
* MAX HUMIDITY........88-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................40 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND  
10 MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO HIGH (342-550) DECREASING TO LOW  
TO MODERATE (147-225) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE  
MORNING. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF SNOW SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.....47-53...EXCEPT 41-48 RIDGES.  
* MIN HUMIDITY........61-76 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................30 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (130-186) INCREASING TO LOW TO MODERATE  
(189-333) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE EVENING. A  
SLIGHT CHANCE OF SNOW SHOWERS. SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....35-41.  
* MAX HUMIDITY........87-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................50 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (138-280) DECREASING TO LOW  
(98-156) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....62-70...EXCEPT 57-64 RIDGES.  
* MIN HUMIDITY........50-65 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
* VENTILATION INDEX...LOW (106-162) INCREASING TO MODERATE  
(224-316) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 41 TO 46. HIGHS 66 TO 75. NORTH WINDS 1 TO 6 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 43 TO 49. HIGHS 57 TO 65. WEST WINDS 1 TO  
6 MPH.    
SATURDAY
 
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. MOSTLY CLOUDY. LOWS 37 TO 42. HIGHS 57 TO 66. WEST  
WINDS 2 TO 7 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
36 TO 41. HIGHS 58 TO 67. NORTHWEST WINDS UP TO 5 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 67 TO 76. NORTHEAST  
WINDS UP TO 5 MPH.  
 

 
 
ORZ696-261145-  
JOHN DAY VALLEY-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS. A CHANCE OF SNOW  
SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....36-42.  
* MAX HUMIDITY........79-93 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH WITH GUSTS UP TO  
30 MPH DECREASING TO 3 TO 8 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.  
* CWR.................70 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND  
10 MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO HIGH (450-688) DECREASING TO LOW  
TO MODERATE (167-227) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN  
THE MORNING. A CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....50-58...EXCEPT 45-50 RIDGES.  
* MIN HUMIDITY........47-60 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (157-199) INCREASING TO MODERATE  
(334-462) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....38-43.  
* MAX HUMIDITY........82-96 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................50 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (300-410) DECREASING TO LOW  
(106-162) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....63-71...EXCEPT 58-63 RIDGES.  
* MIN HUMIDITY........50-60 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (111-179) INCREASING TO MODERATE  
(269-369) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.  
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 70 TO 78. NORTHWEST WINDS  
2 TO 7 MPH.    
FRIDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS  
45 TO 50. HIGHS 61 TO 69. SOUTHWEST WINDS 3 TO 8 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 38 TO  
43. HIGHS 62 TO 70. WEST WINDS 3 TO 8 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
38 TO 43. HIGHS 63 TO 72. NORTHWEST WINDS 1 TO 6 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 39 TO 44. HIGHS 73 TO 81. NORTHEAST  
WINDS UP TO 5 MPH.  
 

 
 
ORZ700-261145-  
CENTRAL MOUNTAINS OF OREGON-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS IN THE EVENING, THEN A  
CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....32-38.  
* MAX HUMIDITY........75-89 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH. GUSTS TO 30 MPH IN  
THE EVENING.  
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...MODERATE TO VERY HIGH (468-726) DECREASING TO  
LOW TO MODERATE (151-293) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE MORNING. A SLIGHT CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....52-59...EXCEPT 44-49 RIDGES.  
* MIN HUMIDITY........39-49 PERCENT...EXCEPT 48-63 PERCENT RIDGES.  
* 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....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (154-260) INCREASING TO  
MODERATE TO HIGH (454-658) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....33-40.  
* MAX HUMIDITY........82-97 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...MODERATE TO HIGH (426-634) DECREASING TO LOW  
TO MODERATE (120-258) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....63-71...EXCEPT 56-61 RIDGES.  
* MIN HUMIDITY........44-55 PERCENT...EXCEPT 55-68 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH. GUSTS TO 25 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH WINDS 6 TO 12 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (116-262) INCREASING TO  
MODERATE TO HIGH (365-541) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY  
CLOUDY. LOWS 37 TO 45. HIGHS 69 TO 78. NORTH WINDS 4 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 40 TO 47. HIGHS 61 TO 67. NORTHWEST WINDS  
4 TO 9 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 33 TO 39. HIGHS 63 TO 68. WEST  
WINDS 4 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
33 TO 38. HIGHS 64 TO 70. NORTHWEST WINDS 1 TO 6 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 35 TO 41. HIGHS 74 TO 79. NORTHEAST  
WINDS 1 TO 6 MPH.  
 

 
 
ORZ703-261145-  
WARM SPRINGS RESERVATION-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. A  
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....35-40.  
* MAX HUMIDITY........71-81 PERCENT...EXCEPT 80-95 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH WITH GUSTS UP TO 35  
MPH DECREASING TO 2 TO 7 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS 11 TO 17 MPH DECREASING TO 4 TO 9  
MPH AFTER MIDNIGHT.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO HIGH (417-511) DECREASING TO LOW  
(69-163) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....55-64...EXCEPT 43-53 RIDGES.  
* MIN HUMIDITY........38-53 PERCENT...EXCEPT 58-73 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW (131-197) INCREASING TO MODERATE TO HIGH  
(334-540) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS.  
* MIN TEMPERATURE.....41-46...EXCEPT 36-41 RIDGES.  
* MAX HUMIDITY........74-83 PERCENT...EXCEPT 80-95 PERCENT RIDGES.  
* HUMIDITY RECOVERY...GOOD...EXCEPT EXCELLENT RIDGES.  
* 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....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (275-417) DECREASING TO LOW  
(108-152) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....69-77...EXCEPT 56-67 RIDGES.  
* MIN HUMIDITY........36-48 PERCENT...EXCEPT 55-70 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....0 PERCENT.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (70-114) INCREASING TO MODERATE TO HIGH  
(339-509) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 43 TO  
48. HIGHS 71 TO 82. NORTHWEST WINDS 4 TO 9 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 44 TO 49. HIGHS 55 TO 69.  
WEST WINDS 8 TO 14 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 36 TO 41. HIGHS 57 TO 70. WEST  
WINDS 8 TO 14 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
35 TO 40. HIGHS 61 TO 72. NORTHWEST WINDS 4 TO 9 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 70 TO 81. NORTHEAST  
WINDS 1 TO 6 MPH.  
 

 
 
ORZ704-261145-  
NORTHERN DESCHUTES NATIONAL FOREST-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS.  
* MIN TEMPERATURE.....30-36.  
* MAX HUMIDITY........79-94 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 7 TO 13 MPH WITH GUSTS UP TO 40  
MPH DECREASING TO 1 TO 6 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 16 MPH DECREASING TO 4 TO  
10 MPH AFTER MIDNIGHT.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 25 MPH DECREASING TO AROUND 15  
MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...MODERATE TO HIGH (413-531) DECREASING TO LOW  
TO MODERATE (105-201) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND  
SNOW SHOWERS IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....54-59...EXCEPT 40-50 RIDGES.  
* MIN HUMIDITY........46-56 PERCENT...EXCEPT 64-79 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 2 TO 7 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (150-200) INCREASING TO  
MODERATE (271-401) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS.  
* MIN TEMPERATURE.....33-38.  
* MAX HUMIDITY........82-97 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 2 TO 6 MPH IN THE EVENING  
BECOMING DRAINAGE WINDS LESS THAN 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (223-309) DECREASING TO LOW (97-121)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE MORNING.  
* MAX TEMPERATURE.....66-72...EXCEPT 52-63 RIDGES.  
* MIN HUMIDITY........44-53 PERCENT...EXCEPT 61-76 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTH 4 TO  
9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................0 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
* VENTILATION INDEX...LOW (96-134) INCREASING TO MODERATE (315-455)  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 38 TO 44. HIGHS 64 TO 78. NORTHWEST WINDS 3 TO  
8 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH SHOWERS LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 39 TO 45. HIGHS 51 TO 64. WEST  
WINDS 4 TO 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 33 TO 38. HIGHS 54 TO 66. WEST  
WINDS 4 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS  
31 TO 36. HIGHS 57 TO 69. NORTHWEST WINDS 2 TO 7 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 66 TO 78. NORTHEAST  
WINDS UP TO 5 MPH.  
 

 
 
ORZ705-261145-  
SOUTHERN DESCHUTES NATIONAL FOREST-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. A CHANCE OF SNOW SHOWERS. A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
* MIN TEMPERATURE.....29-34.  
* MAX HUMIDITY........80-95 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
* VENTILATION INDEX...MODERATE TO VERY HIGH (452-718) DECREASING TO  
MODERATE (210-324) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND  
SNOW SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS, SNOW  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....48-54...EXCEPT 39-47 RIDGES.  
* MIN HUMIDITY........44-59 PERCENT...EXCEPT 59-74 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 2  
TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 2 TO 7 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (174-264) INCREASING TO  
MODERATE TO HIGH (356-568) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....30-35.  
* MAX HUMIDITY........88-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 3 TO 8 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
* VENTILATION INDEX...MODERATE (232-486) DECREASING TO LOW (93-191)  
AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.....59-65...EXCEPT 50-57 RIDGES.  
* MIN HUMIDITY........54-61 PERCENT...EXCEPT 62-77 PERCENT RIDGES.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (141-227) INCREASING TO  
MODERATE (313-479) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS 35 TO 41. HIGHS 64 TO 73. NORTH WINDS 3 TO  
8 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS 38 TO 43. HIGHS 53 TO 63. NORTHWEST WINDS  
2 TO 7 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 57 TO 67. WEST  
WINDS 1 TO 6 MPH.    
SUNDAY
 
A SLIGHT CHANCE OF SHOWERS. PARTLY CLOUDY. LOWS 30 TO  
35. HIGHS 60 TO 69. NORTHWEST WINDS 1 TO 6 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 70 TO 78. TERRAIN  
DRIVEN WINDS LESS THAN 5 MPH.  
 

 
 
ORZ697-261145-  
CENTRAL BLUE MOUNTAINS-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS AND A CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE.....32-37.  
* MAX HUMIDITY........84-98 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH. GUSTS TO 30 MPH  
IN THE EVENING.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.  
* CWR.................30 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
* VENTILATION INDEX...HIGH TO VERY HIGH (595-787) DECREASING TO LOW  
TO MODERATE (183-243) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.....47-52...EXCEPT 42-48 RIDGES.  
* MIN HUMIDITY........55-67 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (185-239) INCREASING TO  
MODERATE (311-455) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE EVENING. A  
SLIGHT CHANCE OF SNOW SHOWERS. SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....32-38.  
* MAX HUMIDITY........87-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.  
* CWR.................50 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...MODERATE (249-417) DECREASING TO LOW TO  
MODERATE (144-214) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS. A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....60-67.  
* MIN HUMIDITY........47-62 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....20 PERCENT (SLIGHT CHANCE).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (126-218) INCREASING TO  
MODERATE TO HIGH (238-582) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. MOSTLY  
CLOUDY. LOWS 37 TO 44. HIGHS 65 TO 71. NORTH WINDS 3 TO 8 MPH.    
FRIDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS 40 TO 46.  
HIGHS 57 TO 63. NORTHWEST WINDS 1 TO 6 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 34 TO 40. HIGHS 59 TO 65. NORTHWEST WINDS 3 TO  
8 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 35 TO 40. HIGHS 60 TO 66. NORTHWEST  
WINDS 1 TO 6 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 68 TO 75. EAST WINDS  
UP TO 5 MPH.  
 

 
 
ORZ698-261145-  
SOUTHERN BLUE MOUNTAINS-  
213 PM PDT MON MAY 25 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.  
* MIN TEMPERATURE.....32-39.  
* MAX HUMIDITY........81-94 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH. GUSTS TO 30 MPH  
IN THE EVENING.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 25 MPH BECOMING NORTHWEST AROUND  
15 MPH AFTER MIDNIGHT.  
* VENTILATION INDEX...VERY HIGH (736-942) DECREASING TO MODERATE  
(248-332) AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE MORNING.  
* MAX TEMPERATURE.....48-53...EXCEPT 43-48 RIDGES.  
* MIN HUMIDITY........45-55 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.  
* CWR.................10 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
* VENTILATION INDEX...MODERATE (253-331) INCREASING TO MODERATE TO  
HIGH (448-580) IN THE AFTERNOON.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE.....32-38.  
* MAX HUMIDITY........85-99 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 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.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......1500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
* VENTILATION INDEX...MODERATE TO HIGH (409-585) DECREASING TO LOW  
TO MODERATE (198-284) AFTER MIDNIGHT.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
* MAX TEMPERATURE.....62-70.  
* MIN HUMIDITY........40-55 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTH WINDS 8 TO 14 MPH DECREASING TO 5 TO 8  
MPH IN THE AFTERNOON.  
* CWR.................20 PERCENT.  
* CHC OF LIGHTNING....10 PERCENT (VERY LOW CHANCE).  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.  
* VENTILATION INDEX...LOW TO MODERATE (176-278) INCREASING TO  
MODERATE TO VERY HIGH (481-835) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 37 TO 43. HIGHS 68 TO 73. NORTH WINDS 4 TO  
9 MPH.    
FRIDAY
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS 40 TO 45. HIGHS 60 TO 66. NORTHWEST WINDS 3 TO 8 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PARTLY  
CLOUDY. LOWS 34 TO 40. HIGHS 62 TO 68. WEST WINDS 3 TO 8 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 35 TO 41. HIGHS 64 TO 69. WEST WINDS 1 TO  
5 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 72 TO 77. EAST WINDS  
UP TO 5 MPH.  
 

 
 
   
8-14 DAY OUTLOOK FOR TUESDAY JUNE 2 THROUGH MONDAY JUNE 8
 
 
A GREATER CHANCE OF ABOVE NORMAL TEMPERATURES AND NEAR NORMAL  
PRECIPITATION.  
 

 
 
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