685  
FNUS56 KOTX 171134  
FWFOTX  
 
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
434 AM PDT SAT OCT 17 2026  
 
   
DISCUSSION
 
 
A SYSTEM COMING THROUGH TODAY WILL BRING BREEZY SOUTHWEST WINDS  
GUSTING AROUND 20-35 MPH, BRINGING A SMALL WINDOW OF ELEVATED FIRE  
WEATHER CONDITIONS TO THE COLUMBIA BASIN IN THE MID AFTERNOON.  
TEMPERATURES RETURN TO NORMAL BUT FAIRLY DRY CONDITIONS CONTINUE  
INTO NEXT WEEK.  
 
***************************************************************  
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).  
***************************************************************  
 
WAZ696-698-180115-  
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-  
EAST WASHINGTON NORTH CASCADES (ZONE 698)-  
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,  
AND LEAVENWORTH  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. RAIN SHOWERS IN THE MORNING.  
SNOW SHOWERS LATE IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....54-64 VALLEYS AND 45-55 MOUNTAINS.  
* 24 HR TREND........7 DEGREES COOLER VALLEYS, AND 12 DEGREES  
COOLER MOUNTAINS.  
* MIN HUMIDITY........30-45 PERCENT VALLEYS AND 45-60 PERCENT  
MOUNTAINS.  
* 24 HR TREND........UNCHANGED.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 6 TO 17 MPH WITH GUSTS TO AROUND 30  
MPH.  
* RIDGES/UPR SLOPES....WEST 6 TO 17 MPH WITH GUSTS TO AROUND 35  
MPH.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
* VENTILATION INDEX...VERY HIGH (805) IN THE MORNING INCREASING TO  
VERY HIGH (837) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST IN THE LATE  
EVENING AND OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....28-37.  
* 24 HR TREND........7 DEGREES COOLER VALLEYS, AND 12 DEGREES  
COOLER MOUNTAINS.  
* MAX HUMIDITY........60-75 PERCENT.  
* 24 HR TREND........10 PERCENT DRIER VALLEYS, AND 35 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 10 MPH.  
* MIXING HEIGHT.......1500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (302) IN THE EVENING DECREASING TO  
LOW (59) OVERNIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....53-63 VALLEYS AND 42-52 MOUNTAINS.  
* MIN HUMIDITY........25-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH IN THE MORNING SHIFTING  
TO THE SOUTHEAST 3 TO 4 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO  
THE SOUTHEAST 3 TO 5 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (259).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLOUDY. LOWS 35 TO 44 VALLEYS
 
30 TO  
39 MOUNTAINS. HIGHS 52 TO 62 VALLEYS...41 TO 51 MOUNTAINS. WEST  
WIND UP TO 5 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 36 TO 46 VALLEYS
 
29 TO  
39 MOUNTAINS. HIGHS 55 TO 64 VALLEYS...44 TO 54 MOUNTAINS. NORTH  
WIND UP TO 10 MPH.    
WEDNESDAY...MOSTLY CLEAR. LOWS 36 TO 46 VALLEYS
 
29 TO  
38 MOUNTAINS. HIGHS 57 TO 67 VALLEYS...47 TO 57 MOUNTAINS.  
SOUTHWEST WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN  
SNOW SHOWERS. LOWS 38 TO 48 VALLEYS...32 TO 40 MOUNTAINS. HIGHS  
54 TO 63 VALLEYS...42 TO 52 MOUNTAINS.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF MOUNTAIN SNOW SHOWERS. LOWS  
36 TO 46 VALLEYS...28 TO 38 MOUNTAINS. HIGHS 48 TO 58 VALLEYS...  
37 TO 47 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ697-180115-  
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL  
RECREATION AREA (ZONE 697)-  
INCLUDING THE CITY OF STEHEKIN  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF HIGH MOUNTAIN SNOW  
SHOWERS EARLY IN THE MORNING. RAIN SHOWERS IN THE MORNING. SNOW  
SHOWERS LATE IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....54-64 VALLEYS AND 44-54 MOUNTAINS.  
* 24 HR TREND........14 DEGREES COOLER.  
* MIN HUMIDITY........50-65 PERCENT.  
* 24 HR TREND........30 PERCENT WETTER VALLEYS, AND 25 PERCENT  
WETTER MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 8 TO 19 MPH WITH GUSTS TO AROUND 30  
MPH.  
* RIDGES/UPR SLOPES....WEST 8 TO 19 MPH. GUSTS UP TO 40 MPH IN THE  
MORNING DECREASING TO 30 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
* VENTILATION INDEX...HIGH (643) IN THE MORNING INCREASING TO HIGH  
(681) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....28-32.  
* 24 HR TREND........19 DEGREES COOLER VALLEYS, AND 12 DEGREES  
COOLER MOUNTAINS.  
* MAX HUMIDITY........65-80 PERCENT.  
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 15 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 8 MPH.  
* MIXING HEIGHT.......2000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (244).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....56-66 VALLEYS AND 44-54 MOUNTAINS.  
* MIN HUMIDITY........24-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 4 MPH IN THE MORNING SHIFTING TO  
THE SOUTHEAST IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING  
TO THE SOUTHEAST 3 TO 4 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (254).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLOUDY. LOWS 31 TO 41. HIGHS 54 TO 64 VALLEYS
 
 
43 TO 53 MOUNTAINS. WEST WIND UP TO 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS 37 TO  
46 VALLEYS...29 TO 39 MOUNTAINS. HIGHS 59 TO 69 VALLEYS...48 TO  
58 MOUNTAINS. SOUTH WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN  
SNOW SHOWERS. LOWS 40 TO 48 VALLEYS...32 TO 42 MOUNTAINS. HIGHS  
54 TO 64 VALLEYS...43 TO 53 MOUNTAINS.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF VALLEY RAIN AND MOUNTAIN  
SNOW SHOWERS. LOWS 37 TO 44 VALLEYS...28 TO 38 MOUNTAINS. HIGHS  
48 TO 58 VALLEYS...37 TO 47 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ704-180115-  
METHOW VALLEY (ZONE 704)-  
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS EARLY  
IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....59-69.  
* 24 HR TREND........3 DEGREES COOLER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* 20-FOOT WINDS.......NORTHWEST UP TO 8 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (879) IN THE MORNING INCREASING TO  
VERY HIGH (952) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....29-37.  
* 24 HR TREND........13 DEGREES COOLER.  
* MAX HUMIDITY........61-80 PERCENT.  
* 24 HR TREND........15 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 10 MPH.  
* MIXING HEIGHT.......1500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (248) IN THE EVENING DECREASING TO  
LOW (45) OVERNIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....55-62.  
* MIN HUMIDITY........20-24 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 6 MPH IN THE MORNING SHIFTING  
TO THE SOUTHEAST 3 TO 4 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (263).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 34 TO 42. HIGHS 55 TO 62. NORTHWEST  
WIND UP TO 5 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS 32 TO 41. HIGHS  
57 TO 65. SOUTHEAST WIND UP TO 5 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY. LOWS 33 TO 41. HIGHS  
53 TO 63.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ703-180115-  
OKANOGAN VALLEY (ZONE 703)-  
INCLUDING THE CITIES OF CONCONULLY AND OMAK  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....61-70.  
* 24 HR TREND........1 DEGREE COOLER.  
* MIN HUMIDITY........23-30 PERCENT.  
* 24 HR TREND........1 PERCENT DRIER.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 13 MPH IN THE MORNING SHIFTING  
TO THE WEST 4 TO 13 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (825).  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....33-37.  
* 24 HR TREND........10 DEGREES COOLER.  
* MAX HUMIDITY........55-65 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 8 MPH.  
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (122).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....55-64.  
* MIN HUMIDITY........22-28 PERCENT.  
* 20-FOOT WINDS.......NORTH 3 TO 8 MPH IN THE MORNING SHIFTING TO  
THE NORTHEAST 3 TO 5 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (171).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 38 TO 43. HIGHS 54 TO 63. NORTH  
WIND UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS NEAR 40. HIGHS 56 TO 66. NORTH  
WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S.  
HIGHS 57 TO 66. NORTH WIND UP TO 5 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY. LOWS 36 TO 42. HIGHS  
53 TO 63.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ702-180115-  
COLVILLE RESERVATION (ZONE 702)-  
INCLUDING THE CITIES OF NESPELEM AND KELLER  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....60-70 VALLEYS AND 53-62 MOUNTAINS.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........26-35 PERCENT.  
* 24 HR TREND........UNCHANGED VALLEYS, AND 5 PERCENT DRIER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND  
30 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND  
25 MPH.  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (560) IN THE MORNING INCREASING TO VERY  
HIGH (943) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....33-38.  
* 24 HR TREND........7 DEGREES COOLER.  
* MAX HUMIDITY........50-65 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTH 3 TO 8 MPH.  
* MIXING HEIGHT.......1500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (155).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....55-65 VALLEYS AND 49-57 MOUNTAINS.  
* MIN HUMIDITY........22-30 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO  
THE SOUTHEAST 3 TO 4 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO  
THE SOUTHEAST AROUND 3 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (222).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLOUDY. LOWS 37 TO 42. HIGHS 53 TO 63 VALLEYS
 
 
47 TO 56 MOUNTAINS. NORTH WIND UP TO 5 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 36 TO 41. HIGHS 56 TO 66 VALLEYS
 
 
49 TO 58 MOUNTAINS. NORTH WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 30S. HIGHS  
56 TO 66 VALLEYS...50 TO 59 MOUNTAINS. NORTHEAST WIND UP TO  
5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 36 TO  
41. HIGHS 54 TO 64 VALLEYS...48 TO 57 MOUNTAINS.    
FRIDAY...PARTLY CLOUDY. LOWS 34 TO 40. HIGHS 50 TO 60 VALLEYS
 
 
43 TO 51 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ699-180115-  
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-  
INCLUDING THE CITIES OF REPUBLIC AND CURLEW  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....59-69 VALLEYS AND 52-60 MOUNTAINS.  
* 24 HR TREND........3 DEGREES COOLER.  
* MIN HUMIDITY........27-35 PERCENT.  
* 24 HR TREND........UNCHANGED VALLEYS, AND 5 PERCENT WETTER  
MOUNTAINS.  
* 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 8 MPH WITH GUSTS TO AROUND 25  
MPH.  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (954).  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....30-34.  
* 24 HR TREND........8 DEGREES COOLER.  
* MAX HUMIDITY........61-80 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER VALLEYS, AND 20 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST UP TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST UP TO 6 MPH.  
* MIXING HEIGHT.......1500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (186).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....54-63 VALLEYS AND 48-56 MOUNTAINS.  
* MIN HUMIDITY........25-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH UP TO 4 MPH IN THE MORNING SHIFTING TO  
THE EAST AROUND 3 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH 3 TO 5 MPH IN THE MORNING SHIFTING TO  
THE EAST AROUND 3 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 5 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (263).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLOUDY. LOWS 33 TO 41. HIGHS 53 TO 62 VALLEYS
 
 
46 TO 54 MOUNTAINS. NORTHEAST WIND UP TO 5 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 32 TO 41. HIGHS 54 TO 64 VALLEYS
 
 
48 TO 56 MOUNTAINS. NORTH WIND UP TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 30 TO 37. HIGHS 56 TO  
65 VALLEYS...50 TO 58 MOUNTAINS. EAST WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 32 TO  
39. HIGHS 54 TO 62 VALLEYS...47 TO 56 MOUNTAINS.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF VALLEY RAIN SHOWERS. LOWS  
31 TO 38. HIGHS 49 TO 57 VALLEYS...42 TO 50 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ700-701-180115-  
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  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....61-68 VALLEYS AND 51-60 MOUNTAINS.  
* 24 HR TREND........3 DEGREES COOLER.  
* MIN HUMIDITY........29-35 PERCENT VALLEYS AND 30-45 PERCENT  
MOUNTAINS.  
* 24 HR TREND........5 PERCENT WETTER VALLEYS, AND UNCHANGED  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 14 MPH. GUSTS UP TO 30 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 14 MPH WITH GUSTS TO AROUND  
30 MPH.  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (466) IN THE MORNING INCREASING TO  
VERY HIGH (1031) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST OVERNIGHT.  
WIDESPREAD FROST EARLY IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....29-36.  
* 24 HR TREND........8 DEGREES COOLER.  
* MAX HUMIDITY........65-80 PERCENT VALLEYS AND 55-70 PERCENT  
MOUNTAINS.  
* 24 HR TREND........15 PERCENT WETTER VALLEYS, AND 10 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST UP TO 6 MPH IN THE EVENING SHIFTING TO  
THE NORTH UP TO 3 MPH OVERNIGHT.  
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 6 MPH.  
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (133).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....56-63 VALLEYS AND 47-55 MOUNTAINS.  
* MIN HUMIDITY........27-35 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...EAST UP TO 3 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 4 MPH IN THE MORNING SHIFTING  
TO THE SOUTH AROUND 3 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 5 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (249).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLOUDY. LOWS 33 TO 42. HIGHS 55 TO 61 VALLEYS
 
 
47 TO 55 MOUNTAINS. NORTHEAST WIND UP TO 5 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 33 TO 41. HIGHS 57 TO 64 VALLEYS
 
 
48 TO 56 MOUNTAINS. NORTH WIND UP TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 31 TO 39. HIGHS 58 TO  
64 VALLEYS...49 TO 57 MOUNTAINS. NORTHEAST WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 31 TO  
40. HIGHS 55 TO 62 VALLEYS...47 TO 55 MOUNTAINS.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 31 TO 39.  
HIGHS 49 TO 58 VALLEYS...40 TO 49 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
IDZ101-180115-  
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-  
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,  
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....60-66 VALLEYS AND 51-61 MOUNTAINS.  
* 24 HR TREND........4 DEGREES COOLER.  
* MIN HUMIDITY........30-40 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER VALLEYS, AND 5 PERCENT DRIER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 5 TO 16 MPH WITH GUSTS TO AROUND  
30 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 6 TO 17 MPH WITH GUSTS TO AROUND  
35 MPH.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (708) IN THE MORNING INCREASING TO VERY  
HIGH (1100) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST OVERNIGHT.  
WIDESPREAD FROST EARLY IN THE MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....31-38.  
* 24 HR TREND........9 DEGREES COOLER.  
* MAX HUMIDITY........71-90 PERCENT VALLEYS AND 65-80 PERCENT  
MOUNTAINS.  
* 24 HR TREND........30 PERCENT WETTER VALLEYS, AND 25 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 6 MPH WITH GUSTS TO AROUND 20  
MPH IN THE EVENING SHIFTING TO THE SOUTH UP TO 4 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......1500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (226).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....57-62 VALLEYS AND 49-59 MOUNTAINS.  
* MIN HUMIDITY........35-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...EAST UP TO 3 MPH IN THE MORNING SHIFTING TO  
THE NORTHEAST IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHEAST 3 TO 5 MPH IN THE MORNING SHIFTING  
TO THE SOUTH AROUND 3 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (291).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 35 TO 44. HIGHS 53 TO 63. NORTHEAST  
WIND UP TO 5 MPH.    
TUESDAY...MOSTLY CLOUDY. LOWS 36 TO 45. HIGHS 57 TO 62 VALLEYS
 
 
48 TO 58 MOUNTAINS. NORTH WIND UP TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS 59 TO  
64 VALLEYS...51 TO 61 MOUNTAINS. EAST WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 34 TO  
43. HIGHS 56 TO 62 VALLEYS...49 TO 59 MOUNTAINS.    
FRIDAY
 
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH  
MOUNTAIN SNOW SHOWERS. LOWS 33 TO 42. HIGHS 46 TO 53 VALLEYS...  
36 TO 46 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ707-180115-  
WESTERN COLUMBIA BASIN (ZONE 707)-  
INCLUDING THE CITIES OF MOSES LAKE AND EPHRATA  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY BLOWING DUST IN THE  
AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....67-71.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND........8 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST 6 TO 17 MPH. GUSTS UP TO 25 MPH IN THE  
MORNING INCREASING TO 35 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (635) IN THE MORNING INCREASING TO VERY  
HIGH (985) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....33-40.  
* 24 HR TREND........7 DEGREES COOLER.  
* MAX HUMIDITY........75-90 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 12 MPH.  
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (156).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....61-64.  
* MIN HUMIDITY........23-27 PERCENT.  
* 20-FOOT WINDS.......NORTH 3 TO 7 MPH.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (183).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 37 TO 43. HIGHS NEAR 60. WEST WIND  
UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 34 TO 41. HIGHS IN THE LOWER TO  
MID 60S. NORTH WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 33 TO 40. HIGHS IN THE LOWER TO  
MID 60S. NORTH WIND UP TO 5 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY. LOWS 33 TO 41. HIGHS  
57 TO 65.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ708-180115-  
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-  
INCLUDING THE CITIES OF SPOKANE, PULLMAN, RITZVILLE, WILBUR,  
AND CHENEY  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY BLOWING DUST IN THE  
AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....64-70.  
* 24 HR TREND........4 DEGREES COOLER.  
* MIN HUMIDITY........28-35 PERCENT.  
* 24 HR TREND........13 PERCENT WETTER.  
* 20-FOOT WINDS.......SOUTHWEST 6 TO 17 MPH. GUSTS UP TO 25 MPH IN  
THE MORNING INCREASING TO 35 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...HIGH (559) IN THE MORNING INCREASING TO VERY  
HIGH (1079) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....32-40.  
* 24 HR TREND........12 DEGREES COOLER.  
* MAX HUMIDITY........65-80 PERCENT.  
* 24 HR TREND........30 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......WEST 3 TO 10 MPH IN THE EVENING SHIFTING TO  
THE NORTH UP TO 6 MPH OVERNIGHT.  
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (128).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....60-66.  
* MIN HUMIDITY........25-35 PERCENT.  
* 20-FOOT WINDS.......NORTHEAST UP TO 6 MPH.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 5 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (183).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 38 TO 43. HIGHS 57 TO 62. SOUTHWEST  
WIND UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 35 TO 41. HIGHS 59 TO 65. NORTH  
WIND UP TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 33 TO 39. HIGHS IN THE LOWER TO  
MID 60S. NORTHEAST WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 34 TO  
40. HIGHS 58 TO 63.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 34 TO 41.  
HIGHS 51 TO 59.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ709-180115-  
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-  
INCLUDING THE CITY OF POMEROY  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....65-74.  
* 24 HR TREND........5 DEGREES COOLER.  
* MIN HUMIDITY........27-35 PERCENT.  
* 24 HR TREND........13 PERCENT WETTER.  
* 20-FOOT WINDS.......SOUTHWEST 5 TO 16 MPH WITH GUSTS TO AROUND 30  
MPH.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (835).  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....39-44.  
* 24 HR TREND........7 DEGREES COOLER.  
* MAX HUMIDITY........75-90 PERCENT.  
* 24 HR TREND........45 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......SOUTHWEST UP TO 9 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (132).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....59-68.  
* MIN HUMIDITY........30-45 PERCENT.  
* 20-FOOT WINDS.......SOUTHEAST UP TO 4 MPH IN THE MORNING SHIFTING  
TO THE NORTHEAST 3 TO 5 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...MODERATE (239).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 40 TO 45. HIGHS 56 TO 65. SOUTHWEST  
WIND UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 37 TO 42. HIGHS 56 TO 66. WEST  
WIND UP TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 58 TO 67.  
SOUTHEAST WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 36 TO  
42. HIGHS 57 TO 66.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS NEAR 40.  
HIGHS 49 TO 59.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
WAZ705-706-180115-  
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-  
WATERVILLE PLATEAU (ZONE 706)-  
INCLUDING THE CITIES OF CHELAN, WENATCHEE, WATERVILLE,  
AND GRAND COULEE  
434 AM PDT SAT OCT 17 2026  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY BLOWING DUST IN THE LATE  
MORNING AND AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....60-70.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* 20-FOOT WINDS.......WEST 9 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...VERY HIGH (898) IN THE MORNING INCREASING TO  
VERY HIGH (962) IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MIN TEMPERATURE.....34-40.  
* 24 HR TREND........8 DEGREES COOLER.  
* MAX HUMIDITY........61-80 PERCENT.  
* 24 HR TREND........15 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (182).  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* MAX TEMPERATURE.....55-64.  
* MIN HUMIDITY........22-27 PERCENT.  
* 20-FOOT WINDS.......NORTH 3 TO 7 MPH IN THE MORNING SHIFTING TO  
THE NORTHEAST 3 TO 6 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
* VENTILATION INDEX...LOW (189).  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLOUDY. LOWS 37 TO 46. HIGHS 55 TO 64. NORTHWEST  
WIND UP TO 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 36 TO 45. HIGHS 57 TO 67.  
NORTHWEST WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 35 TO 44. HIGHS 58 TO 67. NORTH  
WIND UP TO 5 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS  
54 TO 64.  
 
.8 TO 14 DAY OUTLOOK FOR OCT 24 - 30 2026  
 
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
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