884  
FNUS56 KOTX 181017  
FWFOTX  
 
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
317 AM PDT THU APR 18 2024  
 
   
DISCUSSION
 
 
...DRY AND BREEZY CONDITIONS INCREASE GRASS FIRE RISK IN THE  
COLUMBIA BASIN FRIDAY AND SATURDAY AFTERNOON...  
 
COOL TEMPERATURES CONTINUE TODAY WHICH SHOULD LIMIT MIXING THIS  
AFTERNOON. ANTICIPATE THE THREAT OF SPOTTY SHOWERS TO BE OVER THE  
NORTHEAST WASHINGTON AND PANHANDLE DISTRICTS THROUGH THIS AFTERNOON.  
THERE IS A SLIM CHANCE (15%) OF AN ISOLATED LIGHTNING STRIKE IN  
NORTHEAST WASHINGTON AND THE PANHANDLE LATE THIS MORNING THROUGH  
THIS EVENING. DRY AND BREEZY NORTHEAST WINDS IN THE COLUMBIA  
BASIN WILL INCREASE GRASS FIRE DANGER FRIDAY AND SATURDAY.  
ANOTHER ROUND OF SHOWERS ARRIVES LATE SATURDAY INTO SUNDAY,  
FOLLOWED BY MILD AND DRY CONDITIONS FOR EARLY NEXT WEEK.  
 
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***************************************************************  
 
WAZ696>698-704-190200-  
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-  
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL  
RECREATION AREA (ZONE 697)-  
EAST WASHINGTON NORTH CASCADES (ZONE 698)-  
METHOW VALLEY (ZONE 704)-  
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,  
LEAVENWORTH, STEHEKIN, MAZAMA, WINTHROP, AND TWISP  
317 AM PDT THU APR 18 2024  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....51-61 VALLEYS AND 38-48 MOUNTAINS.  
* 24 HR TREND........4 DEGREES WARMER.  
* MIN HUMIDITY........16-26 PERCENT VALLEYS AND 25-35 PERCENT  
MOUNTAINS.  
* 24 HR TREND........2 PERCENT DRIER VALLEYS, AND 15 PERCENT DRIER  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 10 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* LAL.................1.  
* MIN TEMPERATURE.....31-40 VALLEYS AND 22-32 MOUNTAINS.  
* 24 HR TREND........1 DEGREE COOLER VALLEYS, AND 10 DEGREES WARMER  
MOUNTAINS.  
* MAX HUMIDITY........50-65 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 5 TO 15 MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....52-62 VALLEYS AND 39-49 MOUNTAINS.  
* MIN HUMIDITY........19-29 PERCENT VALLEYS AND 26-40 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...EAST 3 TO 14 MPH WITH GUSTS TO AROUND 25  
MPH.  
* RIDGES/UPR SLOPES....EAST 9 TO 20 MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......6000 FT AGL.  
* TRANSPORT WINDS.....EAST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. RAIN OR SNOW SHOWERS LIKELY. LOWS  
30 TO 39 VALLEYS...22 TO 32 MOUNTAINS. HIGHS 55 TO 65 VALLEYS...  
42 TO 52 MOUNTAINS. SOUTHEAST WIND 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF VALLEY RAIN AND MOUNTAIN  
SNOW SHOWERS. LOWS 34 TO 43 VALLEYS...26 TO 36 MOUNTAINS. HIGHS  
51 TO 61 VALLEYS...39 TO 49 MOUNTAINS. WEST WIND 10 TO 20 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 32 TO 41 VALLEYS
 
24 TO  
34 MOUNTAINS. HIGHS 56 TO 66 VALLEYS...45 TO 55 MOUNTAINS. WEST  
WIND 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN SNOW  
SHOWERS. LOWS 37 TO 46 VALLEYS...28 TO 38 MOUNTAINS. HIGHS 59 TO  
69 VALLEYS...48 TO 58 MOUNTAINS.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN  
SNOW SHOWERS. LOWS 40 TO 49 VALLEYS...32 TO 42 MOUNTAINS. HIGHS  
57 TO 67 VALLEYS...46 TO 56 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 24 - MAY 1 2024  
 
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ709-190200-  
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-  
INCLUDING THE CITY OF POMEROY  
317 AM PDT THU APR 18 2024  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. WIDESPREAD FROST EARLY IN THE  
MORNING.  
* LAL.................1.  
* MAX TEMPERATURE.....54-64.  
* 24 HR TREND........3 DEGREES WARMER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND........3 PERCENT DRIER.  
* 20-FOOT WINDS.......NORTHEAST UP TO 8 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF FROST OVERNIGHT.  
WIDESPREAD FROST EARLY IN THE MORNING.  
* LAL.................1.  
* MIN TEMPERATURE.....31-35.  
* 24 HR TREND........2 DEGREES WARMER.  
* MAX HUMIDITY........65-80 PERCENT.  
* 24 HR TREND........5 PERCENT WETTER.  
* HUMIDITY RECOVERY...GOOD.  
* 20-FOOT WINDS.......NORTHEAST UP TO 8 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY. WIDESPREAD FROST EARLY IN THE MORNING.  
* LAL.................1.  
* MAX TEMPERATURE.....57-67.  
* MIN HUMIDITY........21-30 PERCENT.  
* 20-FOOT WINDS.......EAST 3 TO 14 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....EAST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
MID TO UPPER 30S. HIGHS 63 TO 73. EAST WIND UP TO 10 MPH.    
SUNDAY
 
BREEZY. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS  
39 TO 44. HIGHS 54 TO 64. SOUTHWEST WIND 15 TO 25 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 30S. HIGHS  
61 TO 71. EAST WIND 5 TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S. HIGHS  
66 TO 76.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
MID TO UPPER 40S. HIGHS 62 TO 71.  
 
.8 TO 14 DAY OUTLOOK FOR APR 25 - MAY 1 2024  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ705>707-190200-  
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-  
WATERVILLE PLATEAU (ZONE 706)-WESTERN COLUMBIA BASIN (ZONE 707)-  
INCLUDING THE CITIES OF CHELAN, WENATCHEE, WATERVILLE,  
GRAND COULEE, MOSES LAKE, AND EPHRATA  
317 AM PDT THU APR 18 2024  
 
...DRY AND BREEZY CONDITIONS INCREASE GRASS FIRE RISK IN THE  
COLUMBIA BASIN FRIDAY AND SATURDAY AFTERNOON...  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....56-65.  
* 24 HR TREND........3 DEGREES WARMER.  
* MIN HUMIDITY........16-24 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* 20-FOOT WINDS.......NORTHEAST 3 TO 12 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* LAL.................1.  
* MIN TEMPERATURE.....34-39.  
* 24 HR TREND........5 DEGREES WARMER.  
* MAX HUMIDITY........50-60 PERCENT.  
* 24 HR TREND........UNCHANGED.  
* HUMIDITY RECOVERY...POOR.  
* 20-FOOT WINDS.......NORTHEAST 6 TO 17 MPH WITH GUSTS TO AROUND 30  
MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....57-66.  
* MIN HUMIDITY........15-22 PERCENT.  
* 20-FOOT WINDS.......NORTHEAST 10 TO 21 MPH WITH GUSTS UP TO 40  
MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....EAST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 35 TO  
40. HIGHS 60 TO 70. NORTHEAST WIND 10 TO 20 MPH.    
SUNDAY
 
MOSTLY CLEAR. A CHANCE OF RAIN SHOWERS. LOWS 38 TO 44.  
HIGHS 59 TO 66. WEST WIND 10 TO 20 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 62 TO 69. NORTHEAST  
WIND 5 TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S. HIGHS  
66 TO 74.    
WEDNESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.  
HIGHS 64 TO 72.  
 
.8 TO 14 DAY OUTLOOK FOR APR 25 - MAY 1 2024  
 
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ699-702-703-190200-  
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-  
COLVILLE RESERVATION (ZONE 702)-OKANOGAN VALLEY (ZONE 703)-  
INCLUDING THE CITIES OF REPUBLIC, CURLEW, NESPELEM, KELLER,  
CONCONULLY, AND OMAK  
317 AM PDT THU APR 18 2024  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF MOUNTAIN SNOW  
SHOWERS AND VALLEY RAIN SHOWERS.  
* LAL.................1.  
* MAX TEMPERATURE.....51-61 VALLEYS AND 43-51 MOUNTAINS.  
* 24 HR TREND........1 DEGREE WARMER.  
* MIN HUMIDITY........18-28 PERCENT.  
* 24 HR TREND........1 PERCENT DRIER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTH 3 TO 13 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 4 TO 10 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......5000 FT AGL.  
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* LAL.................1.  
* MIN TEMPERATURE.....27-37.  
* 24 HR TREND........2 DEGREES WARMER.  
* MAX HUMIDITY........50-65 PERCENT.  
* 24 HR TREND........10 PERCENT WETTER VALLEYS, AND 5 PERCENT  
WETTER MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 4 TO 13 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 5 TO 13 MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....53-63 VALLEYS AND 45-53 MOUNTAINS.  
* MIN HUMIDITY........16-24 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 4 TO 14 MPH WITH GUSTS UP TO 25  
MPH.  
* RIDGES/UPR SLOPES....EAST 5 TO 15 MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......8000 FT AGL.  
* TRANSPORT WINDS.....EAST 5 TO 15 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 28 TO  
37. HIGHS 57 TO 67 VALLEYS...50 TO 58 MOUNTAINS. EAST WIND 5 TO  
15 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF VALLEY RAIN AND MOUNTAIN  
SNOW SHOWERS. LOWS 33 TO 42. HIGHS 55 TO 65 VALLEYS...47 TO  
55 MOUNTAINS. WEST WIND 5 TO 15 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 32 TO 39. HIGHS 58 TO 68 VALLEYS
 
 
52 TO 60 MOUNTAINS. NORTHWEST WIND 5 TO 10 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 36 TO 44. HIGHS 63 TO 73 VALLEYS
 
 
56 TO 64 MOUNTAINS.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 40 TO  
48. HIGHS 61 TO 71 VALLEYS...55 TO 63 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 25 - MAY 1 2024  
 
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
IDZ101-190200-  
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-  
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,  
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE  
317 AM PDT THU APR 18 2024  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF MOUNTAIN SNOW  
SHOWERS THROUGH THE DAY. A CHANCE OF VALLEY RAIN SHOWERS. A  
CHANCE OF THUNDERSTORMS (15%) IN THE AFTERNOON.  
* LAL.................2.  
* MAX TEMPERATURE.....48-54 VALLEYS AND 38-48 MOUNTAINS.  
* 24 HR TREND........UNCHANGED.  
* MIN HUMIDITY........26-40 PERCENT VALLEYS AND 35-50 PERCENT  
MOUNTAINS.  
* 24 HR TREND........10 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 8 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 9 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......4000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....30 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS  
EARLY IN THE EVENING. A CHANCE OF SNOW SHOWERS THROUGH THE  
NIGHT.  
* LAL.................2.  
* MIN TEMPERATURE.....28-34 VALLEYS AND 21-29 MOUNTAINS.  
* 24 HR TREND........UNCHANGED.  
* MAX HUMIDITY........55-70 PERCENT.  
* 24 HR TREND........20 PERCENT DRIER VALLEYS, AND 15 PERCENT DRIER  
MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 4 TO 15 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 9 TO 20 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....50-56 VALLEYS AND 40-50 MOUNTAINS.  
* MIN HUMIDITY........25-35 PERCENT VALLEYS AND 30-45 PERCENT  
MOUNTAINS.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 6 TO 15 MPH.  
* RIDGES/UPR SLOPES....EAST 9 TO 20 MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......7000 FT AGL.  
* TRANSPORT WINDS.....EAST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
MOSTLY CLEAR. A CHANCE OF RAIN SHOWERS. LOWS 25 TO  
35. HIGHS 59 TO 65 VALLEYS...49 TO 59 MOUNTAINS. EAST WIND 5 TO  
15 MPH.    
SUNDAY
 
COOLER. MOSTLY CLOUDY WITH A CHANCE OF VALLEY RAIN AND  
MOUNTAIN SNOW SHOWERS. LOWS 33 TO 43. HIGHS 49 TO 56 VALLEYS...  
40 TO 50 MOUNTAINS. SOUTHWEST WIND 10 TO 20 MPH.    
MONDAY...PARTLY CLOUDY. LOWS 30 TO 39. HIGHS 57 TO 62 VALLEYS
 
 
48 TO 58 MOUNTAINS. SOUTHWEST WIND 5 TO 10 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 33 TO 41. HIGHS 64 TO 69 VALLEYS
 
 
55 TO 65 MOUNTAINS.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 38 TO  
46. HIGHS 60 TO 67 VALLEYS...52 TO 61 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 25 - MAY 1 2024  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
WAZ700-701-708-190200-  
SELKIRK MOUNTAINS OF NORTHEAST WASHINGTON (ZONE 700)-  
FOOTHILLS OF NORTHEAST WASHINGTON (ZONE 701)-  
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-  
INCLUDING THE CITIES OF METALINE FALLS, IONE, COLVILLE,  
DEER PARK, NEWPORT, SPOKANE, PULLMAN, RITZVILLE, WILBUR,  
AND CHENEY  
317 AM PDT THU APR 18 2024  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN OR SNOW  
SHOWERS IN THE MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON (10%).  
* LAL.................2.  
* MAX TEMPERATURE.....53-62 VALLEYS AND 40-49 MOUNTAINS.  
* 24 HR TREND........2 DEGREES COOLER.  
* MIN HUMIDITY........23-30 PERCENT VALLEYS AND 30-45 PERCENT  
MOUNTAINS.  
* 24 HR TREND........9 PERCENT DRIER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 5 TO 10 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
* CWR (> 0.10 IN).....10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* LAL.................1.  
* MIN TEMPERATURE.....31-35 VALLEYS AND 24-31 MOUNTAINS.  
* 24 HR TREND........1 DEGREE COOLER.  
* MAX HUMIDITY........55-70 PERCENT.  
* 24 HR TREND........15 PERCENT DRIER VALLEYS, AND 10 PERCENT  
DRIER MOUNTAINS.  
* HUMIDITY RECOVERY...FAIR.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 6 TO 17 MPH WITH GUSTS TO AROUND  
30 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST 6 TO 17 MPH.  
* HAINES INDEX........2 OR VERY LOW.  
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 20 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* LAL.................1.  
* MAX TEMPERATURE.....55-64 VALLEYS AND 41-51 MOUNTAINS.  
* MIN HUMIDITY........20-29 PERCENT.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST 10 TO 21 MPH WITH GUSTS UP TO  
30 MPH.  
* RIDGES/UPR SLOPES....EAST 8 TO 18 MPH. GUSTS UP TO 30 MPH.  
* HAINES INDEX........3 OR VERY LOW.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....EAST 15 TO 25 MPH.  
* CWR (> 0.10 IN).....0 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 31 TO  
37 VALLEYS...25 TO 33 MOUNTAINS. HIGHS 61 TO 69 VALLEYS...48 TO  
58 MOUNTAINS. EAST WIND 10 TO 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 38 TO  
43 VALLEYS...32 TO 38 MOUNTAINS. HIGHS 55 TO 62 VALLEYS...43 TO  
53 MOUNTAINS. SOUTHWEST WIND 10 TO 20 MPH.    
MONDAY
 
PARTLY CLOUDY. AREAS OF FROST. LOWS 33 TO 38. HIGHS  
60 TO 67 VALLEYS...49 TO 58 MOUNTAINS. SOUTHEAST WIND UP TO  
5 MPH.    
TUESDAY...PARTLY CLOUDY. LOWS 37 TO 43. HIGHS 66 TO 73 VALLEYS
 
 
55 TO 65 MOUNTAINS.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 42 TO  
48. HIGHS 63 TO 69 VALLEYS...53 TO 62 MOUNTAINS.  
 
.8 TO 14 DAY OUTLOOK FOR APR 25 - MAY 1 2024  
 
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 

 
 
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