934  
FNUS56 KOTX 211200  
FWFOTX  
 
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
500 AM PDT SAT APR 21 2018  
 
   
DISCUSSION
 
 
RAIN HAS ENDED BEHIND A MORNING COLD FRONT. SATURDAY A FEW  
SCATTERED SHOWERS ARE POSSIBLE OVER THE MOUNTAINS WITH DRY  
CONDITONS ELSEWHERE. WINDS WILL BE GUSTY FROM THE SOUTHWEST UP TO  
35 MPH IN THE COLUMBIA BASIN. WINDS CALM SATURDAY NIGHT AND THE  
NEXT SEVERAL DAYS WILL BE DRY WITH A WARMING TREND INTO THE 70S BY  
MID WEEK.  
 
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***************************************************************  
 
WAZ676-677-220130-  
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  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...MOSTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...48-58.  
24 HR TREND......11 DEGREES COOLER.  
* MIN HUMIDITY...25-40 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
* 20-FOOT WINDS.......NORTHWEST 11 TO 15 MPH WITH GUSTS TO AROUND  
35 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...6000 FT AGL.  
* TRANSPORT WINDS...WEST 18 TO 22 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...33-39.  
24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY...65-80 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHWEST 6 TO 10 MPH. GUSTS UP TO 30 MPH IN  
THE EVENING.  
* HAINES INDEX...4 LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...MOSTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...51-61.  
* MIN HUMIDITY...25-35 PERCENT.  
* 20-FOOT WINDS.......NORTH 3 TO 7 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...6500 FT AGL.  
* TRANSPORT WINDS...NORTH 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 33 TO 40. HIGHS 58 TO 68. NORTHEAST  
WIND 3 TO 7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 37 TO 44. HIGHS 62 TO 72.  
NORTHEAST WIND 3 TO 7 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 66 TO 76. NORTH  
WIND 3 TO 7 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 43 TO 51. HIGHS  
68 TO 78.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ680-682-220130-  
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  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...PARTLY SUNNY. CHANCE OF VALLEY RAIN SHOWERS IN THE  
MORNING. CHANCE OF MOUNTAIN SNOW SHOWERS THROUGH THE DAY. SNOW  
LEVEL 3000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...45-52 VALLEYS AND 34-44 MOUNTAINS.  
24 HR TREND......15 DEGREES COOLER.  
* MIN HUMIDITY...40-55 PERCENT VALLEYS AND 50-65 PERCENT MOUNTAINS.  
24 HR TREND......21 PERCENT WETTER VALLEYS AND 30 PERCENT WETTER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 9 TO 13 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* RIDGES/UPR SLOPES....WEST 10 TO 14 MPH WITH GUSTS TO 30 MPH.  
 
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...4500 FT AGL.  
* TRANSPORT WINDS...WEST 15 TO 20 MPH.  
* CWR (> 0.10 IN)...30 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF MOUNTAIN SNOW  
SHOWERS IN THE EVENING.  
* LAL....1.  
* MIN TEMPERATURE...30-35 VALLEYS AND 26-32 MOUNTAINS.  
24 HR TREND......4 DEGREES COOLER.  
* MAX HUMIDITY...75-90 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 6 TO 9 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
* RIDGES/UPR SLOPES....NORTHWEST 6 TO 10 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...MOSTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...52-57 VALLEYS AND 42-52 MOUNTAINS.  
* MIN HUMIDITY...30-45 PERCENT VALLEYS AND 40-55 PERCENT MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...6000 FT AGL.  
* TRANSPORT WINDS...NORTHWEST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLEAR. LOWS 27 TO 33. HIGHS 59 TO 64 VALLEYS
 
 
49 TO 58 MOUNTAINS. EAST WIND 3 TO 7 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 33 TO 39. HIGHS 63 TO 68 VALLEYS
 
 
53 TO 63 MOUNTAINS. EAST WIND 3 TO 7 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 66 TO  
71 VALLEYS...56 TO 66 MOUNTAINS. NORTHEAST WIND 3 TO 7 MPH.    
THURSDAY...MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 67 TO 72 VALLEYS
 
 
57 TO 67 MOUNTAINS.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
40 TO 45. HIGHS 65 TO 73 VALLEYS...57 TO 67 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ684-220130-  
EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)-  
INCLUDING THE CITIES OF METHOW RIVER VALLEY, OKANOGAN VALLEY,  
AND NESPELEM  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...MOSTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...52-61.  
24 HR TREND......7 DEGREES COOLER.  
* MIN HUMIDITY...19-29 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
* 20-FOOT WINDS.......SOUTHWEST 9 TO 13 MPH WITH GUSTS TO AROUND 30  
MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...7000 FT AGL.  
* TRANSPORT WINDS...WEST 15 TO 20 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...34-39.  
24 HR TREND......8 DEGREES COOLER.  
* MAX HUMIDITY...60-70 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......NORTHWEST 5 TO 9 MPH. GUSTS UP TO 30 MPH IN  
THE EVENING.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...54-61.  
* MIN HUMIDITY...18-28 PERCENT.  
* 20-FOOT WINDS.......NORTH 4 TO 8 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...7500 FT AGL.  
* TRANSPORT WINDS...NORTH 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 61 TO 68. NORTHEAST  
WIND 3 TO 7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 38 TO 43. HIGHS 65 TO 72.  
SOUTHEAST WIND 3 TO 7 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 68 TO 76. NORTH  
WIND 3 TO 7 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 42 TO 50. HIGHS  
69 TO 78.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ685-220130-  
EAST WASHINGTON NORTH CASCADES (ZONE 685)-  
INCLUDING THE CITIES OF MAZAMA, CONCONULLY,  
NORTH CASCADES HIGHWAY, AND PASAYTEN WILDERNESS  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...MOSTLY SUNNY. CHANCE OF MOUNTAIN SNOW SHOWERS IN  
THE MORNING. SLIGHT CHANCE OF MOUNTAIN SNOW SHOWERS IN THE  
AFTERNOON.  
* LAL....1.  
* MAX TEMPERATURE...51-56 VALLEYS AND 35-45 MOUNTAINS.  
24 HR TREND......12 DEGREES COOLER.  
* MIN HUMIDITY...25-35 PERCENT VALLEYS AND 40-55 PERCENT MOUNTAINS.  
24 HR TREND......1 PERCENT WETTER VALLEYS AND 15 PERCENT WETTER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH WITH GUSTS TO  
AROUND 20 MPH.  
* RIDGES/UPR SLOPES....WEST 9 TO 13 MPH WITH GUSTS TO AROUND  
25 MPH.  
 
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...5500 FT AGL.  
* TRANSPORT WINDS...WEST 15 TO 20 MPH.  
* CWR (> 0.10 IN)...20 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...32-37 VALLEYS AND 23-33 MOUNTAINS.  
24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY...65-80 PERCENT VALLEYS AND 71-90 PERCENT MOUNTAINS.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHWEST 5 TO 9 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
* RIDGES/UPR SLOPES....NORTHWEST 6 TO 10 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...54-59 VALLEYS AND 41-51 MOUNTAINS.  
* MIN HUMIDITY...20-30 PERCENT VALLEYS AND 30-45 PERCENT MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 5 TO 6 MPH.  
* RIDGES/UPR SLOPES....NORTH 5 TO 6 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...6000 FT AGL.  
* TRANSPORT WINDS...NORTH 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLEAR. LOWS 33 TO 38 VALLEYS
 
24 TO  
33 MOUNTAINS. HIGHS 61 TO 66 VALLEYS...50 TO 59 MOUNTAINS.  
NORTHEAST WIND 3 TO 7 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 30 TO 39. HIGHS 65 TO 70 VALLEYS
 
 
53 TO 63 MOUNTAINS. SOUTHEAST WIND 3 TO 7 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 34 TO 42. HIGHS 68 TO  
73 VALLEYS...56 TO 66 MOUNTAINS. NORTH WIND 3 TO 7 MPH.    
THURSDAY THROUGH FRIDAY...MOSTLY CLEAR. LOWS 41 TO 49 VALLEYS
 
 
35 TO 45 MOUNTAINS. HIGHS 69 TO 75 VALLEYS...59 TO 69 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ687-220130-  
EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)-  
INCLUDING THE CITIES OF KELLER, REPUBLIC, AND CURLEW  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...MOSTLY SUNNY. SLIGHT CHANCE OF VALLEY RAIN AND  
MOUNTAIN SNOW SHOWERS IN THE MORNING. SNOW LEVEL 4000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...54-59 VALLEYS AND 45-53 MOUNTAINS.  
24 HR TREND......9 DEGREES COOLER.  
* MIN HUMIDITY...25-35 PERCENT.  
24 HR TREND......1 PERCENT DRIER VALLEYS AND 5 PERCENT WETTER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 12 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 9 TO 13 MPH WITH GUSTS TO  
AROUND 30 MPH.  
 
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...8000 FT AGL.  
* TRANSPORT WINDS...WEST 18 TO 22 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...33-38 VALLEYS AND 29-35 MOUNTAINS.  
24 HR TREND......8 DEGREES COOLER.  
* MAX HUMIDITY...65-80 PERCENT.  
24 HR TREND......25 PERCENT DRIER VALLEYS AND 15 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 5 TO 9 MPH WITH GUSTS TO AROUND 25 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....NORTHWEST 5 TO 9 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...NORTHWEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...56-61 VALLEYS AND 47-55 MOUNTAINS.  
* MIN HUMIDITY...20-30 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 7 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 2 TO 5 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTH 4 TO 8 MPH.  
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...8000 FT AGL.  
* TRANSPORT WINDS...NORTH 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLEAR. LOWS 29 TO 36. HIGHS 63 TO 68 VALLEYS
 
 
56 TO 63 MOUNTAINS. NORTHEAST WIND 3 TO 7 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 34 TO 40. HIGHS 67 TO 72 VALLEYS
 
 
60 TO 67 MOUNTAINS. SOUTHEAST WIND 3 TO 7 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 70 TO  
75 VALLEYS...62 TO 70 MOUNTAINS. NORTHWEST WIND 3 TO 7 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 37 TO 46. HIGHS  
71 TO 78 VALLEYS...64 TO 72 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ686-220130-  
EAST WASHINGTON NORTHEAST (ZONE 686)-  
INCLUDING THE CITIES OF DEER PARK, COLVILLE, AND NEWPORT  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...PARTLY SUNNY. CHANCE OF VALLEY RAIN SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF VALLEY RAIN SHOWERS IN THE AFTERNOON.  
SNOW LEVEL 4000 FEET.  
* LAL....1.  
* MAX TEMPERATURE...54-59 VALLEYS AND 46-54 MOUNTAINS.  
24 HR TREND......9 DEGREES COOLER.  
* MIN HUMIDITY...20-30 PERCENT VALLEYS AND 30-45 PERCENT MOUNTAINS.  
24 HR TREND......1 PERCENT DRIER VALLEYS AND 10 PERCENT WETTER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 10 TO 14 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 9 TO 13 MPH WITH GUSTS TO  
AROUND 30 MPH.  
 
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...8000 FT AGL.  
* TRANSPORT WINDS...SOUTHWEST 15 TO 20 MPH.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...33-38 VALLEYS AND 29-34 MOUNTAINS.  
24 HR TREND......8 DEGREES COOLER.  
* MAX HUMIDITY...65-80 PERCENT VALLEYS AND 71-90 PERCENT MOUNTAINS.  
24 HR TREND......15 PERCENT DRIER VALLEYS AND 20 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST 4 TO 8 MPH WITH GUSTS TO AROUND 25 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....WEST 5 TO 9 MPH IN THE EVENING BECOMING  
VARIABLE 3 TO 6 MPH OVERNIGHT.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...WEST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...56-61 VALLEYS AND 48-55 MOUNTAINS.  
* MIN HUMIDITY...20-30 PERCENT VALLEYS AND 27-40 PERCENT MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...7500 FT AGL.  
* TRANSPORT WINDS...NORTH 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLEAR. LOWS 29 TO 35. HIGHS 63 TO 68 VALLEYS
 
 
56 TO 62 MOUNTAINS. NORTHEAST WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS 34 TO 42. HIGHS  
67 TO 75 VALLEYS...60 TO 69 MOUNTAINS. NORTHWEST WIND 3 TO 7 MPH.   
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 38 TO 46. HIGHS  
71 TO 78 VALLEYS...64 TO 72 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
IDZ101-220130-  
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-  
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,  
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...PARTLY SUNNY. CHANCE OF VALLEY RAIN SHOWERS IN THE  
MORNING. CHANCE OF MOUNTAIN SNOW SHOWERS THROUGH THE DAY. SLIGHT  
CHANCE OF VALLEY RAIN SHOWERS IN THE AFTERNOON. SNOW LEVEL 4500  
FEET.  
* LAL....1.  
* MAX TEMPERATURE...51-56 VALLEYS AND 42-52 MOUNTAINS.  
24 HR TREND......10 DEGREES COOLER.  
* MIN HUMIDITY...30-40 PERCENT VALLEYS AND 40-55 PERCENT MOUNTAINS.  
24 HR TREND......UNCHANGED VALLEYS AND 15 PERCENT WETTER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 13 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST 9 TO 13 MPH WITH GUSTS TO  
AROUND 35 MPH.  
 
* HAINES INDEX...2 VERY LOW.  
* MIXING HEIGHT...7000 FT AGL.  
* TRANSPORT WINDS...SOUTHWEST 13 TO 17 MPH IN THE MORNING  
INCREASING TO WEST 23 TO 27 MPH IN THE AFTERNOON.  
* CWR (> 0.10 IN)...10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...31-36 VALLEYS AND 28-33 MOUNTAINS.  
24 HR TREND......7 DEGREES COOLER.  
* MAX HUMIDITY...75-90 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 8 MPH WITH GUSTS TO AROUND 25  
MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH  
OVERNIGHT.  
* RIDGES/UPR SLOPES....WEST 5 TO 9 MPH IN THE EVENING BECOMING  
VARIABLE 3 TO 6 MPH OVERNIGHT.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...SOUTHWEST 8 TO 12 MPH IN THE EVENING DECREASING  
TO 1 TO 2 MPH OVERNIGHT.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...PARTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...53-58 VALLEYS AND 45-54 MOUNTAINS.  
* MIN HUMIDITY...30-45 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...6500 FT AGL.  
* TRANSPORT WINDS...WEST 3 TO 7 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY...MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 59 TO 64 VALLEYS
 
 
50 TO 60 MOUNTAINS. NORTHEAST WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS 33 TO 42. HIGHS  
65 TO 71 VALLEYS...57 TO 67 MOUNTAINS. WEST WIND 3 TO 7 MPH.    
THURSDAY...MOSTLY CLEAR. LOWS 38 TO 43. HIGHS 69 TO 74 VALLEYS
 
 
60 TO 70 MOUNTAINS.    
FRIDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS. LOWS 40 TO  
45. HIGHS 70 TO 75 VALLEYS...63 TO 71 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
WAZ673-674-220130-  
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  
500 AM PDT SAT APR 21 2018  
   
TODAY
 
 
* SKY/WEATHER...MOSTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...54-61.  
24 HR TREND......7 DEGREES COOLER.  
* MIN HUMIDITY...20-30 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
* 20-FOOT WINDS.......SOUTHWEST 13 TO 17 MPH WITH GUSTS TO AROUND  
35 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...7000 FT AGL.  
* TRANSPORT WINDS...WEST 23 TO 27 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY.  
* LAL....1.  
* MIN TEMPERATURE...34-39.  
24 HR TREND......11 DEGREES COOLER.  
* MAX HUMIDITY...65-80 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......WEST 6 TO 9 MPH. GUSTS UP TO 30 MPH IN THE  
EVENING.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...NEAR SURFACE.  
* TRANSPORT WINDS...WEST 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...MOSTLY SUNNY.  
* LAL....1.  
* MAX TEMPERATURE...55-61.  
* MIN HUMIDITY...20-30 PERCENT.  
* 20-FOOT WINDS.......NORTH 5 TO 6 MPH.  
* HAINES INDEX...3 VERY LOW.  
* MIXING HEIGHT...7000 FT AGL.  
* TRANSPORT WINDS...NORTH 5 TO 10 MPH.  
* CWR (> 0.10 IN)...0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS 62 TO 68. NORTHEAST  
WIND 3 TO 7 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS 39 TO 47. HIGHS  
67 TO 76. NORTH WIND 3 TO 7 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 43 TO 51. HIGHS  
72 TO 79.  
 
.8 TO 14 DAY OUTLOOK FOR APR 28 - MAY 04, 2018  
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
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