371  
FPUS56 KOTX 180706  
ZFPOTX  
 
ZONE FORECAST PRODUCT FOR EASTERN WASHINGTON AND NORTH IDAHO  
NATIONAL WEATHER SERVICE SPOKANE WA  
1205 AM PDT MON MAY 18 2026  
 
IDZ001-WAZ037-181100-  
NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-  
INCLUDING THE CITIES OF SANDPOINT, RATHDRUM, BONNERS FERRY,  
PRIEST RIVER, CLARK FORK, EASTPORT, COLVILLE, DEER PARK,  
CHEWELAH, NEWPORT, KETTLE FALLS, IONE, METALINE FALLS, METALINE,  
TIGER, AND FRUITLAND  
1205 AM PDT MON MAY 18 2026  
   
..FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING  
 
   
REST OF TONIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. AREAS OF FOG AND FROST. SNOW LEVEL 5500 FEET. LOWS IN  
THE MID 30S TO LOWER 40S.    
MONDAY  
AREAS OF FOG AND FROST IN THE MORNING. PARTLY CLOUDY IN  
THE MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 60S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 30S TO LOWER 40S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS IN THE MID 60S TO LOWER 70S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE 40S.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S  
TO UPPER 70S. LOWS IN THE 40S.  
 
 
 
IDZ002-WAZ036-181100-  
COEUR D'ALENE AREA-SPOKANE AREA-  
INCLUDING THE CITIES OF COEUR D'ALENE, POST FALLS, HAYDEN,  
WORLEY, SPOKANE, CHENEY, DAVENPORT, AND ROCKFORD  
1205 AM PDT MON MAY 18 2026  
   
..FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING  
 
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE MID TO  
UPPER 30S. LIGHT WIND.    
MONDAY  
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 60S.  
LIGHT WIND, BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO LOWER  
40S. SOUTHWEST WIND 5 TO 10 MPH IN THE EVENING, BECOMING LIGHT  
AND VARIABLE.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S TO LOWER 70S.  
SOUTHWEST WIND 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S.  
SOUTHWEST WIND 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO LOWER 70S.    
WEDNESDAY NIGHT THROUGH SUNDAY  
PARTLY CLOUDY. LOWS IN THE  
LOWER 40S TO LOWER 50S. HIGHS IN THE 70S.  
 
 
 
IDZ003-WAZ033-181100-  
IDAHO PALOUSE-WASHINGTON PALOUSE-  
INCLUDING THE CITIES OF MOSCOW, PLUMMER, POTLATCH, GENESEE,  
PULLMAN, COLFAX, ROSALIA, LA CROSSE, OAKESDALE, TEKOA,  
AND UNIONTOWN  
1205 AM PDT MON MAY 18 2026  
   
..FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING  
 
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. PATCHY FOG. LOWS IN THE MID 30S TO LOWER 40S. LIGHT  
WIND.    
MONDAY  
PARTLY CLOUDY. HIGHS IN THE 60S. SOUTHWEST WIND 5 TO  
10 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO LOWER  
40S. SOUTH WIND 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S TO LOWER 70S.  
SOUTHWEST WIND 5 TO 15 MPH WITH GUSTS UP TO 20 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S. SOUTH WIND 5 TO  
10 MPH.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S  
TO UPPER 70S. LOWS IN THE LOWER 40S TO LOWER 50S.  
 
 
 
IDZ004-181100-  
CENTRAL PANHANDLE MOUNTAINS-  
INCLUDING THE CITIES OF KELLOGG, ST MARIES, PINEHURST, OSBURN,  
WALLACE, MULLAN, LOOKOUT PASS, AND FERNWOOD  
1205 AM PDT MON MAY 18 2026  
   
..FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING  
 
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. WIDESPREAD FROST AND PATCHY FOG. SNOW LEVEL 5000 FEET.  
LOWS IN THE MID TO UPPER 30S.    
MONDAY  
AREAS OF FROST IN THE MORNING. PARTLY CLOUDY IN THE  
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S TO MID  
60S. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
EVENING. AREAS OF FROST OVERNIGHT. LOWS IN THE UPPER 30S TO LOWER  
40S. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S  
TO MID 70S. LOWS IN THE 40S.  
 
 
 
IDZ026-WAZ032-181100-  
LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-  
INCLUDING THE CITIES OF LEWISTON, LAPWAI, PECK, CULDESAC,  
GIFFORD, CLARKSTON, AND POMEROY  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 30S TO LOWER 40S.    
MONDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY. WARMER. HIGHS IN THE MID 60S TO LOWER  
70S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S  
TO UPPER 70S. LOWS IN THE LOWER 40S TO LOWER 50S.  
 
 
 
IDZ027-181100-  
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-  
INCLUDING THE CITIES OF KAMIAH, CRAIGMONT, NEZPERCE,  
AND WINCHESTER  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. AREAS OF FROST AND PATCHY FOG. LOWS IN THE LOWER 30S TO  
LOWER 40S.    
MONDAY  
PARTLY CLOUDY. AREAS OF FROST IN THE MORNING. A CHANCE  
OF RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 50S TO MID  
60S. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
WEDNESDAY THROUGH FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
60S TO MID 70S. LOWS IN THE LOWER 40S TO LOWER 50S.    
SATURDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S  
TO UPPER 70S. LOWS IN THE MID 40S TO LOWER 50S.  
 
 
 
WAZ031-181100-  
NORTHEAST BLUE MOUNTAINS-  
INCLUDING THE CITIES OF ANATONE AND PEOLA  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 30S TO LOWER 40S.    
MONDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S TO  
MID 60S. CHANCE OF PRECIPITATION 40 PERCENT.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
TUESDAY  
PARTLY CLOUDY. WARMER. HIGHS IN THE UPPER 50S TO UPPER  
60S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
WEDNESDAY THROUGH FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE  
LOWER 60S TO LOWER 70S. LOWS IN THE MID 40S TO LOWER 50S.    
SATURDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S  
TO MID 70S. LOWS IN THE UPPER 40S TO LOWER 50S.  
 
 
 
WAZ034-035-181100-  
MOSES LAKE AREA-UPPER COLUMBIA BASIN-  
INCLUDING THE CITIES OF MOSES LAKE, EPHRATA, OTHELLO, QUINCY,  
RITZVILLE, GRAND COULEE, ODESSA, WILBUR, AND COULEE CITY  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID  
40S. NORTHEAST WIND 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.    
MONDAY  
PARTLY CLOUDY IN THE MORNING, BECOMING SUNNY. HIGHS IN  
THE UPPER 60S TO LOWER 70S. EAST WIND 5 TO 10 MPH SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S. WEST  
WIND 5 TO 10 MPH WITH GUSTS UP TO 25 MPH.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER TO MID 70S.  
SOUTHWEST WIND 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 40S.  
WEST WIND 5 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
TO UPPER 70S. LOWS IN THE MID 40S TO LOWER 50S.    
THURSDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 70S TO  
LOWER 80S. LOWS IN THE UPPER 40S TO LOWER 50S.  
 
 
 
WAZ038-181100-  
OKANOGAN HIGHLANDS-  
INCLUDING THE CITIES OF REPUBLIC, INCHELIUM, AND WAUCONDA  
1205 AM PDT MON MAY 18 2026  
   
..FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING  
 
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER  
40S.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S TO LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 30S TO MID 40S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S TO LOWER 70S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE 40S.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE 70S. LOWS  
IN THE MID 40S TO MID 50S.  
 
 
 
WAZ041-044-181100-  
WENATCHEE AREA-WATERVILLE PLATEAU-  
INCLUDING THE CITIES OF WENATCHEE, CHELAN, ENTIAT, CASHMERE,  
WATERVILLE, AND MANSFIELD  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S.    
MONDAY  
MOSTLY CLOUDY IN THE MORNING, BECOMING PARTLY CLOUDY.  
HIGHS IN THE MID 60S TO LOWER 70S. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S. WEST  
WIND 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.  
WEST WIND 5 TO 15 MPH WITH GUSTS UP TO 35 MPH.    
WEDNESDAY THROUGH SUNDAY  
WINDY. PARTLY CLOUDY. HIGHS IN THE  
LOWER 70S TO LOWER 80S. LOWS IN THE MID 40S TO LOWER 50S.  
 
 
 
WAZ043-181100-  
OKANOGAN VALLEY-  
INCLUDING THE CITIES OF OMAK, OKANOGAN, BREWSTER, BRIDGEPORT,  
OROVILLE, NESPELEM, AND TONASKET  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S.    
MONDAY  
MOSTLY CLOUDY IN THE MORNING, BECOMING PARTLY CLOUDY.  
HIGHS IN THE MID 60S TO LOWER 70S. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S. GUSTS UP TO  
20 MPH IN THE EVENING.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S TO LOWER  
50S. NORTHWEST WIND 5 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 70S  
TO LOWER 80S. LOWS IN THE UPPER 40S TO MID 50S.  
 
 
 
WAZ047-181100-  
CENTRAL CHELAN COUNTY-  
INCLUDING THE CITIES OF LEAVENWORTH, PLAIN, AND LAKE WENATCHEE  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO UPPER  
40S.    
MONDAY  
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. SNOW LEVEL 6000 FEET IN  
THE AFTERNOON. HIGHS IN THE LOWER 60S TO LOWER 70S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO UPPER 40S.  
NORTHWEST WIND 5 TO 15 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. IN THE MOUNTAINS, NORTHWEST WIND 15 TO 25 MPH. GUSTS UP  
TO 25 MPH.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 60S TO LOWER 70S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S TO LOWER  
50S. NORTHWEST WIND 5 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
WEDNESDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER  
60S TO UPPER 70S. LOWS IN THE LOWER 40S TO LOWER 50S.    
SATURDAY NIGHT  
BREEZY. PARTLY CLOUDY. LOWS IN THE 40S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S TO MID 70S.  
 
 
 
WAZ048-181100-  
WESTERN CHELAN COUNTY-  
INCLUDING THE CITIES OF STEVENS PASS, HOLDEN VILLAGE,  
AND STEHEKIN  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE  
UPPER 30S TO UPPER 40S.    
MONDAY  
MOSTLY CLOUDY IN THE MORNING, BECOMING PARTLY CLOUDY.  
HIGHS IN THE UPPER 50S TO UPPER 60S.    
MONDAY NIGHT  
PARTLY CLOUDY. AREAS OF FROST OVERNIGHT. LOWS IN  
THE UPPER 30S TO UPPER 40S. GUSTS UP TO 30 MPH DECREASING TO  
20 MPH OVERNIGHT.    
TUESDAY  
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S TO UPPER 60S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 40S TO LOWER  
50S.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S  
TO MID 70S. LOWS IN THE LOWER 40S TO LOWER 50S.  
 
 
 
WAZ049-181100-  
WESTERN OKANOGAN COUNTY-  
INCLUDING THE CITIES OF MAZAMA, WINTHROP, TWISP, METHOW,  
AND CONCONULLY  
1205 AM PDT MON MAY 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE  
UPPER 30S TO MID 40S.    
MONDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN AND MOUNTAIN SNOW  
SHOWERS IN THE AFTERNOON. SNOW LEVEL 6000 FEET. HIGHS IN THE MID  
60S TO LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
EVENING. WIDESPREAD FROST OVERNIGHT. SNOW LEVEL 6000 FEET. LOWS  
IN THE UPPER 30S TO MID 40S. GUSTS UP TO 25 MPH IN THE EVENING.  
CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
MOSTLY CLOUDY. HIGHS IN THE MID 60S TO LOWER 70S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 40S TO LOWER  
50S. NORTHWEST WIND 5 TO 15 MPH WITH GUSTS UP TO 35 MPH.    
WEDNESDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 70S  
TO LOWER 80S. LOWS IN THE LOWER 40S TO LOWER 50S.  
 
 
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