770  
FNUS56 KOTX 202205  
FWFOTX  
 
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
305 PM PDT WED SEP 20 2017  
 
   
DISCUSSION
 
 
THE UPPER TROUGH IS PIVOTING ACROSS EASTERN WA THIS AFTERNOON.  
THIS TROUGH WILL SLOWLY EXIT THURSDAY AND FRIDAY. ANOTHER DAY OF  
SHOWERS IS EXPECTED THURSDAY BEFORE DRIER CONDITIONS ARE EXPECTED  
FRIDAY. FRIDAY ONLY MOUNTAIN SHOWERS IN THE ID PANHANDLE IS  
EXPECTED. HIGH PRESSURE WILL BUILD OVER THE REGION THIS WEEKEND  
BRINGING A GRADUAL WARMING AND DRYING TREND INTO EARLY NEXT WEEK.  
 
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***************************************************************  
 
WAZ676-677-211400-  
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-  
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-  
INCLUDING THE CITIES OF KITTITAS VALLEY, NACHES RIVER VALLEY,  
LAKE CHELAN AREA, AND WENATCHEE RIVER VALLEY AREA  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SLIGHT  
CHANCE OF RAIN SHOWERS EARLY IN THE EVENING. SLIGHT CHANCE OF  
RAIN SHOWERS OVERNIGHT.  
* LAL....1.  
* MIN TEMPERATURE...39-45.  
24 HR TREND......1 DEGREE WARMER.  
* MAX HUMIDITY...65-80 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 7 TO 11 MPH WITH GUSTS TO AROUND 30  
MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE DAY.  
* LAL....1.  
* MAX TEMPERATURE...52-62.  
24 HR TREND......1 DEGREE WARMER.  
* MIN HUMIDITY...40-55 PERCENT.  
24 HR TREND......UNCHANGED.  
* 20-FOOT WINDS.......NORTHWEST 5 TO 6 MPH. GUSTS UP TO 15 MPH IN  
THE MORNING.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5000 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 8 TO 12 MPH IN THE MORNING SHIFTING  
TO THE NORTH IN THE AFTERNOON.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
EVENING.  
* LAL....1.  
* MIN TEMPERATURE...39-45.  
* MAX HUMIDITY...75-90 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 4 TO 8 MPH. GUSTS UP TO 15 MPH IN  
THE EVENING.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...57-65.  
* MIN HUMIDITY...30-40 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 7 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...6000 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 3 TO 7 MPH IN THE MORNING SHIFTING TO  
THE NORTHEAST IN THE AFTERNOON.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 41 TO 50. HIGHS  
62 TO 72. WEST WIND 3 TO 7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 67 TO 75.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 69 TO 76.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ680-682-211400-  
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)-  
EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)-  
INCLUDING THE CITIES OF CHINOOK PASS, WHITE PASS, STEVENS PASS,  
LAKE WENATCHEE AREA, AND CLE ELUM  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN AND HIGH MOUNTAIN  
SNOW SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AND  
HIGH MOUNTAIN SNOW SHOWERS IN THE LATE EVENING AND OVERNIGHT.  
SNOW LEVEL 4500 FEET.  
* LAL....1.  
* MIN TEMPERATURE...37-42 VALLEYS AND 30-37 MOUNTAINS.  
24 HR TREND......2 DEGREES WARMER.  
* MAX HUMIDITY...80-90 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 5 TO 8 MPH WITH GUSTS TO AROUND 25  
MPH.  
* RIDGES/UPR SLOPES....NORTHWEST 7 TO 11 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 8 TO 12 MPH.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN AND HIGH MOUNTAIN  
SNOW SHOWERS. SNOW LEVEL 5000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...52-58 VALLEYS AND 42-52 MOUNTAINS.  
24 HR TREND......1 DEGREE WARMER.  
* MIN HUMIDITY...50-65 PERCENT VALLEYS AND 61-80 PERCENT MOUNTAINS.  
24 HR TREND......10 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 5 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST 4 TO 8 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...3500 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...30 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND HIGH  
MOUNTAIN SNOW SHOWERS IN THE EVENING. SNOW LEVEL 5500 FEET.  
* LAL....1.  
* MIN TEMPERATURE...35-40 VALLEYS AND 32-39 MOUNTAINS.  
* MAX HUMIDITY...81-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 5 TO 9 MPH WITH GUSTS TO AROUND 20  
MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....NORTHWEST 5 TO 6 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. SNOW LEVEL 6000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...58-63 VALLEYS AND 47-57 MOUNTAINS.  
* MIN HUMIDITY...35-45 PERCENT VALLEYS AND 45-60 PERCENT MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH IN THE MORNING BECOMING  
WEST 3 TO 7 MPH IN THE AFTERNOON.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...4500 FT AGL.  
* TRANSPORT WINDS...NORTH 3 TO 7 MPH IN THE MORNING SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY THROUGH SUNDAY
 
PARTLY CLOUDY. LOWS 35 TO 42. HIGHS  
62 TO 70 VALLEYS...53 TO 63 MOUNTAINS. WEST WIND 3 TO 7 MPH.    
MONDAY...MOSTLY CLOUDY. LOWS 40 TO 45. HIGHS 65 TO 70 VALLEYS
 
 
55 TO 65 MOUNTAINS. WEST WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 42 TO 49. HIGHS  
67 TO 73 VALLEYS...58 TO 68 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ684-211400-  
EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)-  
INCLUDING THE CITIES OF METHOW RIVER VALLEY, OKANOGAN VALLEY,  
AND NESPELEM  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS EARLY IN THE  
EVENING. SLIGHT CHANCE OF RAIN SHOWERS OVERNIGHT.  
* LAL....1.  
* MIN TEMPERATURE...40-46.  
24 HR TREND......4 DEGREES WARMER.  
* MAX HUMIDITY...65-80 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......SOUTHWEST 4 TO 8 MPH. GUSTS TO AROUND 20  
MPH IN THE EARLY EVENING. WINDS SHIFTING TO THE NORTHWEST 3 TO 7 MPH  
OVERNIGHT.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE DAY.  
* LAL....1.  
* MAX TEMPERATURE...55-63.  
24 HR TREND......1 DEGREE COOLER.  
* MIN HUMIDITY...35-45 PERCENT.  
24 HR TREND......UNCHANGED.  
* 20-FOOT WINDS.......VARIABLE 3 TO 6 MPH IN THE MORNING BECOMING  
NORTH 5 TO 9 MPH WITH GUSTS 20-25 MPH IN THE AFTERNOON.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5500 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...38-44.  
* MAX HUMIDITY...65-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTH 5 TO 9 MPH WITH GUSTS TO AROUND 20 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...58-66.  
* MIN HUMIDITY...25-35 PERCENT.  
* 20-FOOT WINDS.......NORTH 4 TO 8 MPH WITH GUSTS TO AROUND 20 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...6000 FT AGL.  
* TRANSPORT WINDS...NORTH 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 39 TO 49. HIGHS  
63 TO 73. SOUTH WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS  
69 TO 75.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ685-211400-  
EAST WASHINGTON NORTH CASCADES (ZONE 685)-  
INCLUDING THE CITIES OF MAZAMA, CONCONULLY,  
NORTH CASCADES HIGHWAY, AND PASAYTEN WILDERNESS  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. HIGH MOUNTAIN SNOW SHOWERS LIKELY IN  
THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. CHANCE OF  
HIGH MOUNTAIN SNOW SHOWERS OVERNIGHT. SNOW LEVEL 5000 FEET.  
* LAL....1.  
* MIN TEMPERATURE...40-45 VALLEYS AND 30-40 MOUNTAINS.  
24 HR TREND......3 DEGREES WARMER.  
* MAX HUMIDITY...70-80 PERCENT VALLEYS AND 75-90 PERCENT MOUNTAINS.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 5 TO 7 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
* RIDGES/UPR SLOPES....WEST 5 TO 9 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...WEST 8 TO 12 MPH.  
* CWR (> 0.10 IN)...20 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN AND HIGH MOUNTAIN  
SNOW SHOWERS. SNOW LEVEL 5000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...55-60 VALLEYS AND 42-52 MOUNTAINS.  
24 HR TREND......1 DEGREE COOLER.  
* MIN HUMIDITY...35-45 PERCENT VALLEYS AND 50-65 PERCENT MOUNTAINS.  
24 HR TREND......5 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 3 TO 6 MPH IN THE MORNING  
BECOMING NORTHEAST 7 TO 11 MPH WITH GUSTS 20-25 MPH IN  
THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 7 MPH IN THE MORNING SHIFTING  
TO THE NORTH 7 TO 11 MPH IN THE AFTERNOON.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...3500 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF HIGH MOUNTAIN SNOW  
SHOWERS IN THE EVENING.  
* LAL....1.  
* MIN TEMPERATURE...37-43 VALLEYS AND 30-40 MOUNTAINS.  
* MAX HUMIDITY...65-80 PERCENT VALLEYS AND 75-90 PERCENT MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 5 TO 8 MPH WITH GUSTS TO AROUND 20  
MPH.  
* RIDGES/UPR SLOPES....NORTH 5 TO 8 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...58-63 VALLEYS AND 45-55 MOUNTAINS.  
* MIN HUMIDITY...30-40 PERCENT VALLEYS AND 45-60 PERCENT MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 5 TO 9 MPH WITH GUSTS TO AROUND 20  
MPH.  
* RIDGES/UPR SLOPES....NORTH 5 TO 7 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...4000 FT AGL.  
* TRANSPORT WINDS...NORTH 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. LOWS 32 TO 42. HIGHS 62 TO  
67 VALLEYS...50 TO 60 MOUNTAINS. NORTHWEST WIND 3 TO 7 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLOUDY. LOWS 35 TO 45. HIGHS  
64 TO 71 VALLEYS...54 TO 64 MOUNTAINS. NORTHWEST WIND 3 TO 7 MPH.   
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 40 TO 49. HIGHS  
69 TO 74 VALLEYS...58 TO 68 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ687-211400-  
EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)-  
INCLUDING THE CITIES OF KELLER, REPUBLIC, AND CURLEW  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS EARLY IN THE  
EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND  
OVERNIGHT. SLIGHT CHANCE OF HIGH MOUNTAIN SNOW SHOWERS OVERNIGHT.  
* LAL....1.  
* MIN TEMPERATURE...35-40.  
24 HR TREND......1 DEGREE WARMER.  
* MAX HUMIDITY...81-100 PERCENT.  
24 HR TREND......UNCHANGED VALLEYS AND 10 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 8 MPH WITH GUSTS TO AROUND 20  
MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....WEST 5 TO 7 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...20 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND HIGH  
MOUNTAIN SNOW SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS  
IN THE AFTERNOON.  
* LAL....1.  
* MAX TEMPERATURE...55-60 VALLEYS AND 48-54 MOUNTAINS.  
24 HR TREND......3 DEGREES COOLER.  
* MIN HUMIDITY...45-60 PERCENT.  
24 HR TREND......UNCHANGED.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH IN THE MORNING BECOMING  
NORTH 4 TO 8 MPH IN THE AFTERNOON.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...4000 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...33-40.  
* MAX HUMIDITY...80-90 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 7 MPH WITH GUSTS TO AROUND 20 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....NORTH 4 TO 8 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTH 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...58-63 VALLEYS AND 51-58 MOUNTAINS.  
* MIN HUMIDITY...35-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTH 4 TO 8 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5000 FT AGL.  
* TRANSPORT WINDS...NORTH 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. LOWS 34 TO 41. HIGHS 62 TO  
67 VALLEYS...55 TO 62 MOUNTAINS. WEST WIND 3 TO 7 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLOUDY. LOWS 36 TO 45. HIGHS  
66 TO 72 VALLEYS...58 TO 66 MOUNTAINS. SOUTH WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 41 TO 48. HIGHS  
69 TO 75 VALLEYS...62 TO 69 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
IDZ101-WAZ686-211400-  
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-  
EAST WASHINGTON NORTHEAST (ZONE 686)-  
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,  
SILVER VALLEY, BONNERS FERRY, PRIEST LAKE, DEER PARK, COLVILLE,  
AND NEWPORT  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS EARLY IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING  
AND OVERNIGHT. CHANCE OF HIGH MOUNTAIN SNOW SHOWERS OVERNIGHT.  
SNOW LEVEL 5000 FEET.  
* LAL....1.  
* MIN TEMPERATURE...35-40 VALLEYS AND 32-37 MOUNTAINS.  
24 HR TREND......2 DEGREES COOLER.  
* MAX HUMIDITY...90-100 PERCENT.  
24 HR TREND......UNCHANGED.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 7 MPH IN THE EVENING BECOMING  
VARIABLE 2 TO 5 MPH OVERNIGHT.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...40 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. HIGH MOUNTAIN SNOW SHOWERS LIKELY IN  
THE MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SNOW LEVEL  
5000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...51-57 VALLEYS AND 41-51 MOUNTAINS.  
24 HR TREND......1 DEGREE COOLER.  
* MIN HUMIDITY...55-65 PERCENT VALLEYS AND 65-80 PERCENT MOUNTAINS.  
24 HR TREND......UNCHANGED VALLEYS AND 5 PERCENT DRIER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH IN THE MORNING  
BECOMING SOUTH 3 TO 7 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...4000 FT AGL.  
* TRANSPORT WINDS...SOUTH 3 TO 7 MPH IN THE MORNING SHIFTING TO THE  
WEST IN THE AFTERNOON.  
* CWR (> 0.10 IN)...40 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
EVENING. SNOW LEVEL 5000 FEET.  
* LAL....1.  
* MIN TEMPERATURE...33-39 VALLEYS AND 30-36 MOUNTAINS.  
* MAX HUMIDITY...90-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTH 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. SNOW LEVEL 5500 FEET.  
* LAL....1.  
* MAX TEMPERATURE...55-61 VALLEYS AND 45-55 MOUNTAINS.  
* MIN HUMIDITY...35-45 PERCENT VALLEYS AND 45-55 PERCENT MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 5 TO 6 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5000 FT AGL.  
* TRANSPORT WINDS...NORTHEAST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY THROUGH MONDAY
 
MOSTLY CLOUDY. LOWS 33 TO 43. HIGHS  
60 TO 70 VALLEYS...53 TO 63 MOUNTAINS. SOUTH WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 39 TO 47. HIGHS  
67 TO 73 VALLEYS...58 TO 68 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ673-211400-  
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-  
INCLUDING THE CITIES OF WATERVILLE, WILBUR, RITZVILLE,  
AND MOSES LAKE  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS EARLY  
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS OVERNIGHT.  
* LAL....1.  
* MIN TEMPERATURE...38-44.  
24 HR TREND......1 DEGREE COOLER.  
* MAX HUMIDITY...75-90 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......SOUTHWEST 5 TO 7 MPH WITH GUSTS TO AROUND 20  
MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE  
MORNING.  
* LAL....1.  
* MAX TEMPERATURE...57-62.  
24 HR TREND......UNCHANGED.  
* MIN HUMIDITY...40-50 PERCENT.  
24 HR TREND......UNCHANGED.  
* 20-FOOT WINDS.......WEST 5 TO 6 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5000 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...41-46.  
* MAX HUMIDITY...70-80 PERCENT.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 3 TO 7 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTH 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...60-65.  
* MIN HUMIDITY...30-40 PERCENT.  
* 20-FOOT WINDS.......NORTHEAST 5 TO 6 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...6000 FT AGL.  
* TRANSPORT WINDS...NORTH 8 TO 12 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 41 TO 50. HIGHS  
64 TO 73. SOUTH WIND 3 TO 7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 70 TO 75.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 71 TO 76.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ674-211400-  
EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)-  
INCLUDING THE CITIES OF SPOKANE, CHENEY, DAVENPORT, AND PULLMAN  
305 PM PDT WED SEP 20 2017  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. RAIN LIKELY EARLY THIS EVENING THEN  
CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT.  
* LAL....1.  
* MIN TEMPERATURE...36-41.  
24 HR TREND......4 DEGREES COOLER.  
* MAX HUMIDITY...90-100 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......SOUTHWEST 4 TO 8 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
* LAL....1.  
* MAX TEMPERATURE...52-58.  
24 HR TREND......UNCHANGED.  
* MIN HUMIDITY...50-60 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
* 20-FOOT WINDS.......SOUTHWEST 5 TO 9 MPH WITH GUSTS TO AROUND 20  
MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...4500 FT AGL.  
* TRANSPORT WINDS...SOUTHWEST 8 TO 12 MPH.  
* CWR (> 0.10 IN)...20 PERCENT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...37-42.  
* MAX HUMIDITY...90-100 PERCENT.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......VARIABLE 2 TO 5 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTH 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...57-62.  
* MIN HUMIDITY...35-45 PERCENT.  
* 20-FOOT WINDS.......VARIABLE 2 TO 5 MPH IN THE MORNING BECOMING  
NORTHEAST 4 TO 8 MPH IN THE AFTERNOON.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5500 FT AGL.  
* TRANSPORT WINDS...NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS 37 TO 47. HIGHS  
61 TO 71. SOUTH WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS  
68 TO 75.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2017  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
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