204  
FNUS56 KOTX 151203  
FWFOTX  
 
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
503 AM PDT SUN SEP 15 2019  
 
   
DISCUSSION
 
 
STEADY RAINS WILL IMPACT THE CASCADES AND PORTIONS OF CENTRAL WA  
TODAY BRINGING A GOOD CHANCE FOR WETTING RAINS. RAIN AMOUNTS WILL  
DECREASE AS THE FRONT LIMPS ACROSS THE COLUMBIA BASIN INTO THE  
IDAHO PANHANDLE OVERNIGHT AND MONDAY. ANOTHER WET STORM SYSTEM  
ARRIVES TUESDAY AND WEDNESDAY WITH A GOOD SHOT OF WETTING RAIN.  
THERE REMAINS SOME MODEL UNCERTAINTY FOR THE END OF THE WEEK AND  
NEXT WEEKEND, BUT THERE IS EVIDENCE OF MOUNTAIN SHOWERS LATE IN  
THE WEEK GIVING WAY TO A DRYING TREND OVER THE WEEKEND.  
 
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***************************************************************  
 
WAZ676-677-160145-  
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  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN.  
* LAL.................1.  
* MAX TEMPERATURE.....58-68.  
* 24 HR TREND........10 DEGREES COOLER.  
* MIN HUMIDITY........55-70 PERCENT.  
* 24 HR TREND........25 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST 4 TO 10 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....70 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.  
* LAL.................1.  
* MIN TEMPERATURE.....46-55.  
* 24 HR TREND........3 DEGREES COOLER.  
* MAX HUMIDITY........75-90 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......WEST 4 TO 9 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......1500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF AFTERNOON SHOWERS.  
* LAL.................1.  
* MAX TEMPERATURE.....61-71.  
* MIN HUMIDITY........35-50 PERCENT.  
* 20-FOOT WINDS.......WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
RAIN SHOWERS. LOWS 43 TO 52. HIGHS 56 TO 66. SOUTH  
WIND 5 TO 15 MPH.    
WEDNESDAY
 
RAIN SHOWERS LIKELY. LOWS 45 TO 54. HIGHS 59 TO 69.  
NORTH WIND UP TO 5 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
44 TO 53. HIGHS 64 TO 74. NORTHWEST WIND UP TO 10 MPH.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
RAIN SHOWERS. LOWS 46 TO 56. HIGHS 67 TO 77.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ680-682-160145-  
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  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN.  
* LAL.................1.  
* MAX TEMPERATURE.....52-62 VALLEYS AND 45-55 MOUNTAINS.  
* 24 HR TREND........9 DEGREES COOLER VALLEYS AND 8 DEGREES COOLER  
MOUNTAINS.  
* MIN HUMIDITY........65-80 PERCENT VALLEYS AND 71-90 PERCENT  
MOUNTAINS.  
* 24 HR TREND........15 PERCENT WETTER VALLEYS, AND 35 PERCENT  
WETTER MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST 8 TO 14 MPH WITH GUSTS TO AROUND 25  
MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....90 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.  
* LAL.................1.  
* MIN TEMPERATURE.....40-50.  
* 24 HR TREND........5 DEGREES COOLER.  
* MAX HUMIDITY........80-90 PERCENT VALLEYS AND 81-100 PERCENT  
MOUNTAINS.  
* 24 HR TREND........UNCHANGED.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST 5 TO 11 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......900 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....30 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.  
* LAL.................1.  
* MAX TEMPERATURE.....57-67 VALLEYS AND 48-58 MOUNTAINS.  
* MIN HUMIDITY........45-60 PERCENT VALLEYS AND 55-70 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....WEST 4 TO 10 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY...RAIN SHOWERS. LOWS 38 TO 48. HIGHS 51 TO 61 VALLEYS
 
 
43 TO 53 MOUNTAINS. SOUTH WIND 5 TO 15 MPH.    
WEDNESDAY
 
RAIN SHOWERS. LOWS 40 TO 50. HIGHS 55 TO  
65 VALLEYS...46 TO 56 MOUNTAINS. NORTHEAST WIND UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
39 TO 48. HIGHS 59 TO 69 VALLEYS...51 TO 61 MOUNTAINS. NORTHWEST  
WIND UP TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
41 TO 50. HIGHS 60 TO 70 VALLEYS...52 TO 62 MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 42 TO 52.  
HIGHS 63 TO 73 VALLEYS...54 TO 64 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ684-160145-  
EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)-  
INCLUDING THE CITIES OF METHOW RIVER VALLEY, OKANOGAN VALLEY,  
AND NESPELEM  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN.  
* LAL.................1.  
* MAX TEMPERATURE.....59-68.  
* 24 HR TREND........6 DEGREES COOLER.  
* MIN HUMIDITY........65-80 PERCENT.  
* 24 HR TREND........40 PERCENT WETTER.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 7 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......1200 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
* CWR (> 0.10 IN).....80 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.  
* LAL.................1.  
* MIN TEMPERATURE.....49-55.  
* 24 HR TREND........4 DEGREES COOLER.  
* MAX HUMIDITY........75-90 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......WEST 3 TO 6 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......1500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 0 TO 5 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING.  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
* LAL.................1.  
* MAX TEMPERATURE.....61-71.  
* MIN HUMIDITY........35-45 PERCENT.  
* 20-FOOT WINDS.......WEST 3 TO 6 MPH IN THE MORNING SHIFTING TO  
THE SOUTHWEST 3 TO 7 MPH IN THE AFTERNOON.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....15 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
RAIN SHOWERS LIKELY. LOWS 44 TO 51. HIGHS 57 TO 67.  
SOUTH WIND 5 TO 15 MPH.    
WEDNESDAY
 
RAIN SHOWERS LIKELY. LOWS 47 TO 54. HIGHS 58 TO 68.  
EAST WIND UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
45 TO 52. HIGHS 65 TO 74. NORTHWEST WIND UP TO 10 MPH.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
RAIN SHOWERS. LOWS 47 TO 55. HIGHS 67 TO 77.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ685-160145-  
EAST WASHINGTON NORTH CASCADES (ZONE 685)-  
INCLUDING THE CITIES OF MAZAMA, CONCONULLY,  
NORTH CASCADES HIGHWAY, AND PASAYTEN WILDERNESS  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........CLOUDY. RAIN.  
* LAL.................1.  
* MAX TEMPERATURE.....54-64 VALLEYS AND 43-53 MOUNTAINS.  
* 24 HR TREND........8 DEGREES COOLER VALLEYS AND 5 DEGREES COOLER  
MOUNTAINS.  
* MIN HUMIDITY........65-80 PERCENT VALLEYS AND 75-90 PERCENT  
MOUNTAINS.  
* 24 HR TREND........35 PERCENT WETTER VALLEYS, AND 30 PERCENT  
WETTER MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......1000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....100 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN THROUGH THE  
NIGHT.  
* LAL.................1.  
* MIN TEMPERATURE.....45-52 VALLEYS AND 36-46 MOUNTAINS.  
* 24 HR TREND........4 DEGREES COOLER VALLEYS AND 3 DEGREES COOLER  
MOUNTAINS.  
* MAX HUMIDITY........75-90 PERCENT VALLEYS AND 81-100 PERCENT  
MOUNTAINS.  
* 24 HR TREND........UNCHANGED VALLEYS, AND 10 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST 5 TO 12 MPH WITH GUSTS TO AROUND 25  
MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....WEST 0 TO 5 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF HIGH MOUNTAIN  
SNOW IN THE MORNING. CHANCE OF RAIN THROUGH THE DAY.  
* LAL.................1.  
* MAX TEMPERATURE.....58-68 VALLEYS AND 45-55 MOUNTAINS.  
* MIN HUMIDITY........40-50 PERCENT VALLEYS AND 50-65 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH IN THE MORNING SHIFTING  
TO THE SOUTHWEST 3 TO 8 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST 4 TO 9 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
RAIN AND HIGH MOUNTAIN SNOW SHOWERS. LOWS 42 TO  
48 VALLEYS...34 TO 44 MOUNTAINS. HIGHS 53 TO 63 VALLEYS...40 TO  
50 MOUNTAINS. SOUTH WIND 5 TO 15 MPH.    
WEDNESDAY...RAIN SHOWERS. LOWS 45 TO 51 VALLEYS
 
37 TO  
46 MOUNTAINS. HIGHS 55 TO 65 VALLEYS...42 TO 52 MOUNTAINS. EAST  
WIND UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
44 TO 50 VALLEYS...36 TO 45 MOUNTAINS. HIGHS 61 TO 71 VALLEYS...  
49 TO 59 MOUNTAINS. NORTHWEST WIND 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
45 TO 51 VALLEYS...38 TO 47 MOUNTAINS. HIGHS 63 TO 73 VALLEYS...  
50 TO 60 MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 47 TO  
52 VALLEYS...39 TO 48 MOUNTAINS. HIGHS 64 TO 74 VALLEYS...53 TO  
63 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ686-687-160145-  
EAST WASHINGTON NORTHEAST (ZONE 686)-  
EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)-  
INCLUDING THE CITIES OF DEER PARK, COLVILLE, NEWPORT, KELLER,  
REPUBLIC, AND CURLEW  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN MAINLY IN THE  
OKANOGAN HIGHLANDS.  
* LAL.................1.  
* MAX TEMPERATURE.....63-73 VALLEYS AND 52-62 MOUNTAINS.  
* 24 HR TREND........4 DEGREES WARMER VALLEYS AND 4 DEGREES COOLER  
MOUNTAINS.  
* MIN HUMIDITY........55-70 PERCENT VALLEYS AND 65-80 PERCENT  
MOUNTAINS.  
* 24 HR TREND........25 PERCENT WETTER VALLEYS, AND 20 PERCENT  
WETTER MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHEAST 3 TO 7 MPH IN THE MORNING SHIFTING  
TO THE SOUTHWEST 4 TO 10 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTH 6 TO 12 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2000 TO 3000 FT AGL.  
* TRANSPORT WINDS.....SOUTH 8 TO 15 MPH.  
* CWR (> 0.10 IN).....40 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.  
* LAL.................1.  
* MIN TEMPERATURE.....45-53.  
* 24 HR TREND........1 DEGREE COOLER.  
* MAX HUMIDITY........81-100 PERCENT.  
* 24 HR TREND........20 PERCENT WETTER VALLEYS, AND UNCHANGED  
MOUNTAINS.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 6 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN.  
* LAL.................1.  
* MAX TEMPERATURE.....57-67 VALLEYS AND 47-57 MOUNTAINS.  
* MIN HUMIDITY........55-70 PERCENT VALLEYS AND 65-80 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTH 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 8 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY. LOWS 41 TO 47.  
HIGHS 55 TO 65 VALLEYS...45 TO 54 MOUNTAINS. SOUTH WIND 5 TO  
15 MPH.    
WEDNESDAY
 
RAIN SHOWERS LIKELY. LOWS 42 TO 51. HIGHS 55 TO  
65 VALLEYS...46 TO 55 MOUNTAINS. EAST WIND UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
41 TO 49. HIGHS 61 TO 71 VALLEYS...52 TO 61 MOUNTAINS. NORTHWEST  
WIND UP TO 5 MPH.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
RAIN SHOWERS. LOWS 41 TO 50. HIGHS 64 TO 74 VALLEYS...54 TO  
64 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
IDZ101-160145-  
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-  
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,  
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....68-78 VALLEYS AND 61-71 MOUNTAINS.  
* 24 HR TREND........3 DEGREES WARMER.  
* MIN HUMIDITY........35-50 PERCENT.  
* 24 HR TREND........15 PERCENT DRIER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHEAST 3 TO 7 MPH IN THE MORNING SHIFTING  
TO THE SOUTHWEST 4 TO 10 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 14 MPH. GUSTS UP TO 30 MPH IN  
THE AFTERNOON.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF RAIN.  
* LAL.................1.  
* MIN TEMPERATURE.....44-52.  
* 24 HR TREND........4 DEGREES COOLER.  
* MAX HUMIDITY........81-100 PERCENT VALLEYS AND 80-90 PERCENT  
MOUNTAINS.  
* 24 HR TREND........30 PERCENT WETTER VALLEYS, AND 20 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
* RIDGES/UPR SLOPES....WEST 3 TO 13 MPH WITH GUSTS TO AROUND 25  
MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......3000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE  
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON.  
* LAL.................1.  
* MAX TEMPERATURE.....55-65.  
* MIN HUMIDITY........61-80 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 7 MPH.  
* RIDGES/UPR SLOPES....WEST 3 TO 10 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2200 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 41 TO 48.  
HIGHS 55 TO 64 VALLEYS...47 TO 57 MOUNTAINS. SOUTH WIND 5 TO  
15 MPH.    
WEDNESDAY
 
RAIN SHOWERS LIKELY. LOWS 42 TO 50. HIGHS 54 TO  
62 VALLEYS...46 TO 55 MOUNTAINS. SOUTH WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS. LOWS 41 TO  
48. HIGHS 58 TO 66 VALLEYS...49 TO 58 MOUNTAINS. NORTHWEST WIND  
UP TO 5 MPH.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 41 TO 48.  
HIGHS 58 TO 68 VALLEYS...50 TO 59 MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 42 TO 49.  
HIGHS 59 TO 68 VALLEYS...51 TO 60 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ673-674-160145-  
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-  
EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)-  
INCLUDING THE CITIES OF WATERVILLE, WILBUR, RITZVILLE,  
MOSES LAKE, SPOKANE, CHENEY, DAVENPORT, AND PULLMAN  
503 AM PDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY EAST TO CLOUDY WEST.  
CHANCE OF RAIN MAINLY WEST OF MOSES LAKE  
AND GRAND COULEE.  
* LAL.................1.  
* MAX TEMPERATURE.....69-79.  
* 24 HR TREND........1 DEGREE WARMER.  
* MIN HUMIDITY........45-60 PERCENT.  
* 24 HR TREND........5 PERCENT DRIER.  
* 20-FOOT WINDS.......SOUTH 3 TO 9 MPH IN THE MORNING SHIFTING TO  
THE SOUTHWEST 6 TO 12 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.  
* LAL.................1.  
* MIN TEMPERATURE.....48-55.  
* 24 HR TREND........3 DEGREES COOLER.  
* MAX HUMIDITY........81-100 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER.  
* HUMIDITY RECOVERY...EXCELLENT.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 10 MPH.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......2500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....15 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN.  
* LAL.................1.  
* MAX TEMPERATURE.....63-71.  
* MIN HUMIDITY........40-55 PERCENT.  
* 20-FOOT WINDS.......SOUTHWEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
* HAINES INDEX........2 VERY LOW.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....20 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY THROUGH WEDNESDAY
 
RAIN SHOWERS LIKELY. LOWS 43 TO 52.  
HIGHS 61 TO 69. SOUTHEAST WIND 4 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 44 TO 51.  
HIGHS 65 TO 73. NORTHWEST WIND UP TO 5 MPH.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
RAIN SHOWERS. LOWS 45 TO 52. HIGHS 67 TO 76.  
 
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28, 2019  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
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