746  
FNUS56 KOTX 272044  
FWFOTX  
 
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
144 PM PDT THU AUG 27 2026  
 
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR  
FIRE ZONES 703 AND 706...  
   
DISCUSSION
 
 
CENTRAL WA:  
- ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS  
EVENING DUE TO BREEZY SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY.  
- WINDS SHIFT FROM SOUTHWEST TO NORTHWEST THROUGH THIS AFTERNOON  
AND EVENING.  
- CONDITIONS TREND COOLER WITH HIGHER RHS FRIDAY AND SATURDAY.  
 
EASTERN WA:  
- ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS THROUGH  
THIS EVENING DUE TO BREEZY SOUTH TO SOUTHWEST WINDS.  
- WINDS SHIFT FROM SOUTHWEST TO NORTHWEST DOWN THE OKANOGAN VALLEY  
THIS AFTERNOON AND EVENING.  
- CONDITIONS TREND COOLER WITH HIGHER RHS FRIDAY AND SATURDAY.  
 
NORTH ID:  
- ELEVATED FIRE WEATHER CONDITIONS THROUGH THIS EVENING DUE TO  
BREEZY SOUTHWEST WINDS.  
- FAIR TO GOOD HUMIDITY RECOVERY TONIGHT.  
- CONDITIONS TREND COOLER WITH HIGHER RHS FRIDAY AND SATURDAY.  
 
BREEZY SOUTHWESTERLY WINDS WILL CONTINUE INTO THIS EVENING,  
KEEPING FIRE WEATHER CONDITIONS ELEVATED TO CRITICAL. WINDS WILL  
SHIFT FROM OUT OF THE SOUTHWEST THIS AFTERNOON TO OUT OF THE  
NORTHWEST BY THIS EVENING. THE WEATHER PATTERN TRENDS COOLER WITH  
HIGHER RELATIVE HUMIDITY FRIDAY AND SATURDAY. SHOWERS AND  
ISOLATED THUNDERSTORMS ARE EXPECTED OVER THE CASCADES AND NORTHERN  
MOUNTAINS ON SATURDAY AS OUR NEXT WEATHER SYSTEM ARRIVES.  
 
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND  
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.  
CATEGORIES: LOW (< 200), MODERATE (200-500),  
HIGH (500-800), AND VERY HIGH (> 800).  
***************************************************************  
 
WAZ696-698-281345-  
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-  
EAST WASHINGTON NORTH CASCADES (ZONE 698)-  
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,  
AND LEAVENWORTH  
144 PM PDT THU AUG 27 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE IN THE EVENING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....48-53 VALLEYS AND 41-51 MOUNTAINS.  
* 24 HR TREND........2 DEGREES WARMER.  
* MAX HUMIDITY........65-80 PERCENT.  
* 24 HR TREND........15 PERCENT WETTER VALLEYS, AND 5 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND  
30 MPH.  
* RIDGES/UPR SLOPES....WEST 3 TO 13 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (615) IN THE EVENING DECREASING TO LOW  
(152) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE LATE IN THE  
AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....71-81 VALLEYS AND 59-69 MOUNTAINS.  
* 24 HR TREND........UNCHANGED.  
* MIN HUMIDITY........27-40 PERCENT VALLEYS AND 35-50 PERCENT  
MOUNTAINS.  
* 24 HR TREND........9 PERCENT WETTER VALLEYS, AND 20 PERCENT  
WETTER MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 10 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* RIDGES/UPR SLOPES....WEST 3 TO 10 MPH.  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (289) IN THE MORNING INCREASING TO  
HIGH (601) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF SMOKE. A CHANCE OF  
RAIN SHOWERS OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....47-54 VALLEYS AND 41-51 MOUNTAINS.  
* MAX HUMIDITY........55-70 PERCENT VALLEYS AND 70-80 PERCENT  
MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 11 MPH WITH GUSTS TO AROUND  
25 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 11 MPH.  
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...MODERATE (469) IN THE EVENING DECREASING TO  
LOW (114) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS  
THROUGH THE DAY WITH A CHANCE OF THUNDERSTORMS IN THE LATE  
MORNING AND AFTERNOON.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* MAX TEMPERATURE.....62-72 VALLEYS AND 50-60 MOUNTAINS.  
* MIN HUMIDITY........40-55 PERCENT VALLEYS AND 50-65 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 11 MPH WITH GUSTS TO AROUND 25  
MPH.  
* RIDGES/UPR SLOPES....WEST 3 TO 11 MPH.  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....30 PERCENT.  
* VENTILATION INDEX...MODERATE (491) IN THE MORNING INCREASING TO  
HIGH (703) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY...PARTLY CLOUDY. LOWS 38 TO 48. HIGHS 68 TO 78 VALLEYS
 
 
55 TO 65 MOUNTAINS. WEST WIND UP TO 10 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 49 TO 59 VALLEYS
 
41 TO  
51 MOUNTAINS. HIGHS 72 TO 82 VALLEYS...60 TO 70 MOUNTAINS.  
SOUTHWEST WIND UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO  
61 VALLEYS...44 TO 54 MOUNTAINS. HIGHS 70 TO 80 VALLEYS...58 TO  
68 MOUNTAINS. WEST WIND UP TO 10 MPH.    
WEDNESDAY THROUGH THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
SHOWERS. LOWS 49 TO 59 VALLEYS...41 TO 51 MOUNTAINS. HIGHS 63 TO  
73 VALLEYS...52 TO 62 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ697-281345-  
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL  
RECREATION AREA (ZONE 697)-  
INCLUDING THE CITY OF STEHEKIN  
144 PM PDT THU AUG 27 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A  
CHANCE OF RAIN SHOWERS EARLY IN THE EVENING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....43-53.  
* 24 HR TREND........7 DEGREES COOLER VALLEYS, AND 2 DEGREES COOLER  
MOUNTAINS.  
* MAX HUMIDITY........55-70 PERCENT VALLEYS AND 65-80 PERCENT  
MOUNTAINS.  
* 24 HR TREND........10 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 12 MPH.  
* RIDGES/UPR SLOPES....WEST 3 TO 12 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...HIGH (521) IN THE EVENING DECREASING TO LOW  
(157) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE LATE IN THE  
AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....69-79 VALLEYS AND 58-68 MOUNTAINS.  
* 24 HR TREND........11 DEGREES COOLER.  
* MIN HUMIDITY........40-55 PERCENT.  
* 24 HR TREND........15 PERCENT WETTER VALLEYS, AND 10 PERCENT  
WETTER MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 9 MPH.  
* RIDGES/UPR SLOPES....WEST 3 TO 9 MPH.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (278) IN THE MORNING INCREASING TO  
MODERATE (487) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN  
THE LATE EVENING AND OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....41-51.  
* MAX HUMIDITY........65-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 11 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 12 MPH WITH GUSTS TO AROUND  
25 MPH.  
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (372) IN THE EVENING DECREASING TO  
LOW (96) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH  
MOUNTAIN SNOW SHOWERS IN THE MORNING. RAIN SHOWERS LIKELY WITH A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* MAX TEMPERATURE.....60-70 VALLEYS AND 48-58 MOUNTAINS.  
* MIN HUMIDITY........55-70 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 5 TO 11 MPH WITH GUSTS TO AROUND 20  
MPH.  
* RIDGES/UPR SLOPES....WEST 5 TO 11 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....40 PERCENT.  
* VENTILATION INDEX...MODERATE (379).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY...PARTLY CLOUDY. LOWS 38 TO 48. HIGHS 67 TO 77 VALLEYS
 
 
55 TO 65 MOUNTAINS. WEST WIND 5 TO 10 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 49 TO 59 VALLEYS
 
41 TO  
51 MOUNTAINS. HIGHS 72 TO 82 VALLEYS...60 TO 70 MOUNTAINS.  
SOUTHWEST WIND UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 52 TO  
62 VALLEYS...43 TO 53 MOUNTAINS. HIGHS 69 TO 79 VALLEYS...57 TO  
67 MOUNTAINS. WEST WIND UP TO 10 MPH.    
WEDNESDAY...RAIN SHOWERS LIKELY. LOWS 50 TO 59 VALLEYS
 
41 TO  
51 MOUNTAINS. HIGHS 63 TO 73 VALLEYS...50 TO 60 MOUNTAINS.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 49 TO  
58 VALLEYS...40 TO 50 MOUNTAINS. HIGHS 62 TO 72 VALLEYS...51 TO  
61 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ704-281345-  
METHOW VALLEY (ZONE 704)-  
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY. AREAS  
OF SMOKE EARLY IN THE EVENING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....48-57.  
* 24 HR TREND........7 DEGREES COOLER.  
* MAX HUMIDITY........61-80 PERCENT.  
* 24 HR TREND........20 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (739) IN THE EVENING DECREASING TO LOW  
(61) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. HAZE LATE IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....75-84.  
* 24 HR TREND........1 DEGREE COOLER.  
* MIN HUMIDITY........22-27 PERCENT.  
* 24 HR TREND........7 PERCENT WETTER.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 5 MPH IN THE MORNING SHIFTING  
TO THE SOUTHWEST 3 TO 7 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (299) IN THE MORNING INCREASING TO  
HIGH (701) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. HAZE AND AREAS OF SMOKE EARLY  
IN THE EVENING. A CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....49-58.  
* MAX HUMIDITY........60-75 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 8 MPH.  
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...HIGH (572) IN THE EVENING DECREASING TO LOW  
(47) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH THE DAY.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* MAX TEMPERATURE.....66-76.  
* MIN HUMIDITY........30-40 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 7 MPH.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....30 PERCENT.  
* VENTILATION INDEX...MODERATE (441) IN THE MORNING INCREASING TO  
HIGH (793) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 46 TO 56. HIGHS  
72 TO 82. SOUTH WIND UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO  
60. HIGHS 74 TO 83. WEST WIND UP TO 10 MPH.    
WEDNESDAY THROUGH THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
SHOWERS. LOWS 47 TO 57. HIGHS 66 TO 76.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ703-281345-  
OKANOGAN VALLEY (ZONE 703)-  
INCLUDING THE CITIES OF CONCONULLY AND OMAK  
144 PM PDT THU AUG 27 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING
 
 
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE THROUGH THE NIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....51-57.  
* 24 HR TREND........9 DEGREES COOLER.  
* MAX HUMIDITY........55-65 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......NORTHWEST 5 TO 16 MPH. GUSTS UP TO 30 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (829) IN THE EVENING DECREASING TO  
LOW (44) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....76-85.  
* 24 HR TREND........1 DEGREE WARMER.  
* MIN HUMIDITY........21-29 PERCENT.  
* 24 HR TREND........4 PERCENT WETTER.  
* 20-FOOT WINDS.......NORTH 3 TO 5 MPH IN THE MORNING SHIFTING TO  
THE SOUTH 3 TO 9 MPH WITH GUSTS TO AROUND 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (196) IN THE MORNING INCREASING TO HIGH  
(764) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF SMOKE THROUGH THE  
NIGHT. A CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....52-58.  
* MAX HUMIDITY........50-65 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...HIGH (630) IN THE EVENING DECREASING TO LOW  
(42) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS  
THROUGH THE DAY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* MAX TEMPERATURE.....68-77.  
* MIN HUMIDITY........30-45 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 7 MPH IN THE MORNING SHIFTING  
TO THE WEST 4 TO 8 MPH WITH GUSTS TO AROUND 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
* VENTILATION INDEX...HIGH (512) IN THE MORNING INCREASING TO VERY  
HIGH (953) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS  
72 TO 82. SOUTHWEST WIND UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 54 TO  
60. HIGHS 75 TO 84. SOUTHWEST WIND UP TO 10 MPH.    
WEDNESDAY THROUGH THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
SHOWERS. LOWS 49 TO 57. HIGHS 68 TO 77.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ702-281345-  
COLVILLE RESERVATION (ZONE 702)-  
INCLUDING THE CITIES OF NESPELEM AND KELLER  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE THROUGH THE NIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....50-56.  
* 24 HR TREND........8 DEGREES COOLER.  
* MAX HUMIDITY........50-65 PERCENT.  
* 24 HR TREND........5 PERCENT WETTER VALLEYS, AND 10 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 14 MPH. GUSTS UP TO 30 MPH IN THE  
EVENING.  
* RIDGES/UPR SLOPES....WEST 3 TO 14 MPH. GUSTS UP TO 25 MPH IN THE  
EVENING.  
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (1332) IN THE EVENING DECREASING TO  
LOW (38) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....74-84 VALLEYS AND 66-76 MOUNTAINS.  
* 24 HR TREND........4 DEGREES COOLER.  
* MIN HUMIDITY........23-30 PERCENT.  
* 24 HR TREND........5 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST UP TO 7 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 7 MPH.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (278) IN THE MORNING INCREASING TO  
HIGH (656) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....50-55.  
* MAX HUMIDITY........50-65 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH 3 TO 6 MPH IN THE EVENING SHIFTING TO  
THE NORTHEAST UP TO 4 MPH OVERNIGHT.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING  
TO THE NORTH 3 TO 4 MPH OVERNIGHT.  
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (529) IN THE EVENING DECREASING TO LOW  
(34) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* MAX TEMPERATURE.....67-77 VALLEYS AND 59-69 MOUNTAINS.  
* MIN HUMIDITY........28-40 PERCENT VALLEYS AND 35-50 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHEAST UP TO 6 MPH IN THE MORNING  
SHIFTING TO THE SOUTHWEST 5 TO 9 MPH WITH GUSTS TO AROUND 20  
MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING  
TO THE SOUTHWEST 5 TO 7 MPH WITH GUSTS TO AROUND 20 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
* VENTILATION INDEX...HIGH (605) IN THE MORNING INCREASING TO VERY  
HIGH (984) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY...PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 68 TO 78 VALLEYS
 
 
61 TO 70 MOUNTAINS. SOUTHWEST WIND UP TO 5 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 48 TO 54. HIGHS 73 TO 83 VALLEYS
 
 
66 TO 75 MOUNTAINS. SOUTHEAST WIND UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 52 TO  
58. HIGHS 73 TO 83 VALLEYS...66 TO 76 MOUNTAINS. SOUTH WIND UP TO  
10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS  
50 TO 55. HIGHS 67 TO 77 VALLEYS...59 TO 69 MOUNTAINS.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 47 TO  
53. HIGHS 66 TO 76 VALLEYS...58 TO 68 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ699-281345-  
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-  
INCLUDING THE CITIES OF REPUBLIC AND CURLEW  
144 PM PDT THU AUG 27 2026  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE THROUGH THE NIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....46-54.  
* 24 HR TREND........10 DEGREES COOLER.  
* MAX HUMIDITY........61-80 PERCENT VALLEYS AND 55-70 PERCENT  
MOUNTAINS.  
* 24 HR TREND........20 PERCENT WETTER VALLEYS, AND 25 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 11 MPH WITH GUSTS TO AROUND  
25 MPH IN THE EVENING SHIFTING TO THE NORTHWEST UP TO 5 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....WEST 3 TO 10 MPH. GUSTS UP TO 25 MPH IN THE  
EVENING.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (1327) IN THE EVENING DECREASING TO  
LOW (42) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....74-83 VALLEYS AND 67-76 MOUNTAINS.  
* 24 HR TREND........5 DEGREES COOLER.  
* MIN HUMIDITY........22-30 PERCENT.  
* 24 HR TREND........1 PERCENT WETTER VALLEYS, AND 6 PERCENT WETTER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST UP TO 4 MPH IN THE MORNING SHIFTING TO  
THE SOUTHWEST 3 TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST UP TO 4 MPH IN THE MORNING  
SHIFTING TO THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (247) IN THE MORNING INCREASING TO  
HIGH (676) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF SMOKE THROUGH THE  
NIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....46-53.  
* MAX HUMIDITY........61-80 PERCENT VALLEYS AND 55-70 PERCENT  
MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH 3 TO 6 MPH IN THE EVENING SHIFTING TO  
THE NORTH UP TO 4 MPH OVERNIGHT.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING  
TO THE NORTHWEST 3 TO 5 MPH OVERNIGHT.  
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (506) IN THE EVENING DECREASING TO LOW  
(39) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY THROUGH  
THE DAY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* MAX TEMPERATURE.....67-77 VALLEYS AND 58-67 MOUNTAINS.  
* MIN HUMIDITY........35-45 PERCENT VALLEYS AND 40-55 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST UP TO 5 MPH IN THE MORNING  
SHIFTING TO THE SOUTH 3 TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH 3 TO 5 MPH IN THE MORNING SHIFTING TO  
THE SOUTHWEST 4 TO 6 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....30 PERCENT.  
* VENTILATION INDEX...HIGH (590) IN THE MORNING INCREASING TO HIGH  
(784) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 41 TO 48.  
HIGHS 68 TO 77 VALLEYS...61 TO 70 MOUNTAINS. SOUTHWEST WIND UP TO  
5 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 44 TO 53. HIGHS 73 TO 83 VALLEYS
 
 
66 TO 75 MOUNTAINS. SOUTH WIND UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 47 TO  
56. HIGHS 73 TO 83 VALLEYS...66 TO 75 MOUNTAINS. SOUTHWEST WIND  
UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS  
46 TO 54. HIGHS 66 TO 76 VALLEYS...58 TO 68 MOUNTAINS.    
THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS  
43 TO 51. HIGHS 64 TO 74 VALLEYS...57 TO 67 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ700-701-281345-  
SELKIRK MOUNTAINS OF NORTHEAST WASHINGTON (ZONE 700)-  
FOOTHILLS OF NORTHEAST WASHINGTON (ZONE 701)-  
INCLUDING THE CITIES OF METALINE FALLS, IONE, COLVILLE,  
DEER PARK, AND NEWPORT  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....46-55.  
* 24 HR TREND........10 DEGREES COOLER.  
* MAX HUMIDITY........60-75 PERCENT VALLEYS AND 50-65 PERCENT  
MOUNTAINS.  
* 24 HR TREND........25 PERCENT WETTER VALLEYS, AND 15 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST UP TO 11 MPH. GUSTS UP TO 25 MPH  
IN THE EVENING.  
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 11 MPH. GUSTS UP TO 25 MPH  
IN THE EVENING.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (1365) IN THE EVENING DECREASING TO  
LOW (33) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....75-82 VALLEYS AND 65-74 MOUNTAINS.  
* 24 HR TREND........6 DEGREES COOLER.  
* MIN HUMIDITY........23-30 PERCENT VALLEYS AND 27-40 PERCENT  
MOUNTAINS.  
* 24 HR TREND........4 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST UP TO 7 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 7 MPH.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (438) IN THE MORNING INCREASING TO  
VERY HIGH (810) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....45-54.  
* MAX HUMIDITY........61-80 PERCENT VALLEYS AND 55-70 PERCENT  
MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING  
TO THE SOUTHEAST UP TO 4 MPH OVERNIGHT.  
* RIDGES/UPR SLOPES....SOUTH 3 TO 7 MPH IN THE EVENING SHIFTING TO  
THE EAST 3 TO 6 MPH OVERNIGHT.  
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (536) IN THE EVENING DECREASING TO LOW  
(33) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE  
LATE MORNING AND AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....68-75 VALLEYS AND 58-68 MOUNTAINS.  
* MIN HUMIDITY........28-40 PERCENT VALLEYS AND 40-55 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH 3 TO 9 MPH. GUSTS UP TO 25 MPH IN THE  
AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTH 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
* VENTILATION INDEX...HIGH (508) IN THE MORNING INCREASING TO VERY  
HIGH (1071) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 40 TO 50.  
HIGHS 68 TO 75 VALLEYS...58 TO 68 MOUNTAINS. SOUTHWEST WIND UP TO  
5 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 42 TO 52. HIGHS 75 TO 82 VALLEYS
 
 
65 TO 75 MOUNTAINS. SOUTHEAST WIND UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO  
56. HIGHS 75 TO 82 VALLEYS...65 TO 74 MOUNTAINS. SOUTH WIND UP TO  
10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS  
44 TO 54. HIGHS 67 TO 75 VALLEYS...57 TO 67 MOUNTAINS.    
THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS  
41 TO 51. HIGHS 66 TO 73 VALLEYS...56 TO 66 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
IDZ101-281345-  
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-  
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,  
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....48-57.  
* 24 HR TREND........9 DEGREES COOLER.  
* MAX HUMIDITY........55-70 PERCENT VALLEYS AND 45-60 PERCENT  
MOUNTAINS.  
* 24 HR TREND........15 PERCENT WETTER.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH 3 TO 11 MPH. GUSTS UP TO 25 MPH IN THE  
EVENING.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 11 MPH WITH GUSTS TO AROUND  
25 MPH.  
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (1062) IN THE EVENING DECREASING TO  
LOW (47) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....75-82 VALLEYS AND 66-76 MOUNTAINS.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........23-30 PERCENT VALLEYS AND 25-40 PERCENT  
MOUNTAINS.  
* 24 HR TREND........3 PERCENT DRIER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 9 MPH WITH GUSTS TO AROUND 20  
MPH.  
* MIXING HEIGHT.......6500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (543) IN THE MORNING INCREASING TO VERY  
HIGH (1016) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A  
CHANCE OF RAIN SHOWERS OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....47-56.  
* MAX HUMIDITY........61-80 PERCENT VALLEYS AND 50-65 PERCENT  
MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 6 MPH WITH GUSTS TO AROUND 20  
MPH IN THE EVENING SHIFTING TO THE SOUTHEAST UP TO 5 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...HIGH (548) IN THE EVENING DECREASING TO LOW  
(39) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS LATE  
IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....68-75 VALLEYS AND 59-69 MOUNTAINS.  
* MIN HUMIDITY........29-40 PERCENT VALLEYS AND 40-55 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 10 MPH WITH GUSTS TO AROUND  
25 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 11 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...HIGH (507) IN THE MORNING INCREASING TO VERY  
HIGH (940) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 42 TO 51.  
HIGHS 66 TO 73 VALLEYS...56 TO 66 MOUNTAINS. SOUTHWEST WIND UP TO  
10 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS 42 TO 51. HIGHS 76 TO  
83 VALLEYS...67 TO 77 MOUNTAINS. SOUTH WIND UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 47 TO  
56. HIGHS 76 TO 82 VALLEYS...67 TO 77 MOUNTAINS. SOUTHWEST WIND  
UP TO 10 MPH.    
WEDNESDAY THROUGH THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
SHOWERS. LOWS 45 TO 55. HIGHS 65 TO 74 VALLEYS...58 TO  
68 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ707-281345-  
WESTERN COLUMBIA BASIN (ZONE 707)-  
INCLUDING THE CITIES OF MOSES LAKE AND EPHRATA  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....50-59.  
* 24 HR TREND........9 DEGREES COOLER.  
* MAX HUMIDITY........70-80 PERCENT.  
* 24 HR TREND........30 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......WEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN THE  
EVENING.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (1200) IN THE EVENING DECREASING TO  
LOW (61) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. HAZE UNTIL LATE AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....80-85.  
* 24 HR TREND........3 DEGREES COOLER.  
* MIN HUMIDITY........24-30 PERCENT.  
* 24 HR TREND........9 PERCENT WETTER.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (316) IN THE MORNING INCREASING TO  
HIGH (755) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....49-59.  
* MAX HUMIDITY........61-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......WEST 4 TO 11 MPH.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (678) IN THE EVENING DECREASING TO LOW  
(62) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....73-78.  
* MIN HUMIDITY........26-40 PERCENT.  
* 20-FOOT WINDS.......SOUTHWEST 5 TO 12 MPH WITH GUSTS TO AROUND 30  
MPH.  
* MIXING HEIGHT.......10000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (724) IN THE MORNING INCREASING TO VERY  
HIGH (1416) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS 74 TO 80. SOUTHWEST  
WIND UP TO 10 MPH.    
MONDAY THROUGH TUESDAY
 
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS  
80 TO 85. SOUTHWEST WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 49 TO  
58. HIGHS 74 TO 79.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 47 TO  
56. HIGHS 73 TO 78.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ708-281345-  
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-  
INCLUDING THE CITIES OF SPOKANE, PULLMAN, RITZVILLE, WILBUR,  
AND CHENEY  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....48-56.  
* 24 HR TREND........12 DEGREES COOLER.  
* MAX HUMIDITY........61-80 PERCENT.  
* 24 HR TREND........20 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 14 MPH. GUSTS UP TO 30 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (1346) IN THE EVENING DECREASING TO  
LOW (47) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....79-86.  
* 24 HR TREND........4 DEGREES COOLER.  
* MIN HUMIDITY........23-28 PERCENT.  
* 24 HR TREND........4 PERCENT WETTER.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (445) IN THE MORNING INCREASING TO  
HIGH (754) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....47-56.  
* MAX HUMIDITY........60-75 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 7 MPH. GUSTS UP TO 20 MPH  
OVERNIGHT.  
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (577) IN THE EVENING DECREASING TO LOW  
(139) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....71-79.  
* MIN HUMIDITY........24-30 PERCENT.  
* 20-FOOT WINDS.......SOUTHWEST 6 TO 12 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (685) IN THE MORNING INCREASING TO VERY  
HIGH (1432) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS 71 TO 79. SOUTHWEST  
WIND UP TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 43 TO 52. HIGHS 81 TO 88. SOUTHEAST  
WIND UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 49 TO  
56. HIGHS 79 TO 85. SOUTHWEST WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO  
54. HIGHS 72 TO 79.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 44 TO  
51. HIGHS 71 TO 79.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ709-281345-  
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-  
INCLUDING THE CITY OF POMEROY  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....54-58.  
* 24 HR TREND........7 DEGREES COOLER.  
* MAX HUMIDITY........50-65 PERCENT.  
* 24 HR TREND........20 PERCENT WETTER.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 14 MPH. GUSTS UP TO 30 MPH IN  
THE EVENING DECREASING TO 20 MPH OVERNIGHT.  
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (946) IN THE EVENING DECREASING TO  
LOW (66) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY. HAZE EARLY IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....78-88.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........21-30 PERCENT.  
* 24 HR TREND........2 PERCENT DRIER.  
* 20-FOOT WINDS.......WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (356) IN THE MORNING INCREASING TO  
HIGH (682) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS  
OVERNIGHT. HAZE EARLY IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....54-58.  
* MAX HUMIDITY........50-65 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......SOUTHWEST 5 TO 16 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING INCREASING TO 30 MPH OVERNIGHT.  
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...HIGH (543) IN THE EVENING DECREASING TO LOW  
(173) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....71-81.  
* MIN HUMIDITY........25-35 PERCENT.  
* 20-FOOT WINDS.......SOUTHWEST 6 TO 17 MPH WITH GUSTS TO AROUND 30  
MPH.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (808) IN THE MORNING INCREASING TO  
VERY HIGH (1333) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS NEAR 50. HIGHS 71 TO 81. SOUTHWEST  
WIND UP TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 80 TO 90. EAST WIND  
UP TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
MID TO UPPER 50S. HIGHS 78 TO 88. SOUTHWEST WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
LOWER TO MID 50S. HIGHS 71 TO 81.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
LOWER TO MID 50S. HIGHS 70 TO 80.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ706-281345-  
WATERVILLE PLATEAU (ZONE 706)-  
INCLUDING THE CITIES OF WATERVILLE AND GRAND COULEE  
144 PM PDT THU AUG 27 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING
 
 
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....51-58.  
* 24 HR TREND........11 DEGREES COOLER.  
* MAX HUMIDITY........60-70 PERCENT.  
* 24 HR TREND........15 PERCENT WETTER.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......WEST 6 TO 17 MPH. GUSTS UP TO 35 MPH IN THE  
EVENING.  
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (869) IN THE EVENING DECREASING TO  
LOW (61) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....77-84.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........23-27 PERCENT.  
* 24 HR TREND........4 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST 3 TO 10 MPH.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (211) IN THE MORNING INCREASING TO  
HIGH (792) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....51-58.  
* MAX HUMIDITY........55-70 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......WEST 5 TO 12 MPH WITH GUSTS TO AROUND 25 MPH.  
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (734) IN THE EVENING DECREASING TO LOW  
(61) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....70-76.  
* MIN HUMIDITY........28-35 PERCENT.  
* 20-FOOT WINDS.......WEST 5 TO 13 MPH WITH GUSTS TO AROUND 25 MPH.  
* MIXING HEIGHT.......9000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...VERY HIGH (808) IN THE MORNING INCREASING TO  
VERY HIGH (1170) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 48 TO 57. HIGHS  
73 TO 83. SOUTH WIND UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. LOWS 54 TO 60. HIGHS 76 TO 83. WEST  
WIND 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO  
57. HIGHS 70 TO 76.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 49 TO  
55. HIGHS 69 TO 76.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ705-281345-  
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-  
INCLUDING THE CITIES OF CHELAN AND WENATCHEE  
144 PM PDT THU AUG 27 2026  
 
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON  
THROUGH THIS EVENING...  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....51-59.  
* 24 HR TREND........7 DEGREES COOLER.  
* MAX HUMIDITY........55-70 PERCENT.  
* 24 HR TREND........20 PERCENT WETTER.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......WEST 4 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.  
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (755) IN THE EVENING DECREASING TO LOW  
(66) OVERNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. AREAS OF  
SMOKE.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....74-84.  
* 24 HR TREND........1 DEGREE COOLER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND........4 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (245) IN THE MORNING INCREASING TO  
HIGH (768) IN THE AFTERNOON.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
AREAS OF SMOKE UNTIL EARLY MORNING. HAZE THROUGH THE NIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....50-59.  
* MAX HUMIDITY........55-70 PERCENT.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......WEST 3 TO 13 MPH WITH GUSTS TO AROUND 25 MPH.  
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (653) IN THE EVENING DECREASING TO LOW  
(69) OVERNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE  
LATE MORNING AND AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....67-77.  
* MIN HUMIDITY........29-40 PERCENT.  
* 20-FOOT WINDS.......WEST 5 TO 16 MPH.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....5 PERCENT.  
* VENTILATION INDEX...VERY HIGH (955) IN THE MORNING INCREASING TO  
VERY HIGH (1201) IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS 46 TO 55. HIGHS 70 TO 80. WEST WIND  
UP TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 51 TO 60. HIGHS 74 TO 84. SOUTHWEST  
WIND UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY. LOWS 54 TO 62. HIGHS 73 TO 83. WEST  
WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO  
60. HIGHS 67 TO 77.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO  
58. HIGHS 66 TO 76.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 04 - 10 2026  
 
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
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