337  
WWUS76 KOTX 171152  
NPWOTX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SPOKANE WA  
452 AM PDT WED AUG 17 2022  
 
WAZ034-035-041-043-044-047-182300-  
/O.CON.KOTX.EH.W.0003.220817T1900Z-220820T0600Z/  
MOSES LAKE AREA-UPPER COLUMBIA BASIN-WENATCHEE AREA-OKANOGAN  
VALLEY-WATERVILLE PLATEAU-CENTRAL CHELAN COUNTY-  
INCLUDING THE CITIES OF QUINCY, WINCHESTER, BREWSTER, WATERVILLE,  
HARRINGTON, NESPELEM, EPHRATA, ODESSA, RALSTON, TELMA, OTHELLO,  
PLAIN, LAMONA, MANSFIELD, WENATCHEE, MOSES LAKE, COULEE CITY,  
WILBUR, BRIDGEPORT, LEAVENWORTH, ELECTRIC CITY, OMAK, DRYDEN,  
OKANOGAN, MALOTT, CASHMERE, PESHASTIN, ENTIAT, GRAND COULEE,  
WINTON, NIGHTHAWK, CRESTON, MONSE, STRATFORD, PALISADES,  
OROVILLE, CHELAN, RITZVILLE, AND COULEE DAM  
452 AM PDT WED AUG 17 2022  
 
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 11 PM  
PDT FRIDAY...  
 
* WHAT...AFTERNOON TEMPERATURES WILL REACH THE UPPER 90S TO NEAR 105  
DEGREES. LIMITED OVERNIGHT RELIEF WITH LOW TEMPERATURES IN THE MID  
60S TO MID 70S.  
 
* WHERE...QUINCY, BREWSTER, WATERVILLE, NESPELEM, EPHRATA, ODESSA,  
OTHELLO, WENATCHEE, MOSES LAKE, COULEE CITY, WILBUR, BRIDGEPORT,  
LEAVENWORTH, OMAK, GRAND COULEE, OROVILLE, CHELAN, AND RITZVILLE.  
 
* WHEN...FROM NOON TODAY TO 11 PM PDT FRIDAY.  
 
* IMPACTS...EXCESSIVE HEAT WILL SIGNIFICANTLY INCREASE THE POTENTIAL  
FOR HEAT RELATED ILLNESSES, PARTICULARLY FOR THOSE WORKING OR  
PARTICIPATING IN OUTDOOR ACTIVITIES. RESIDENTS WITHOUT AIR  
CONDITIONERS WILL EXPERIENCE A BUILDUP OF HEAT WITHIN THEIR HOMES.  
 
* ADDITIONAL DETAILS...THURSDAY IS EXPECTED TO BE THE HOTTEST DAY OF  
THIS HEATWAVE. MOST OF CENTRAL WASHINGTON WILL EXPERIENCE TRIPLE  
DIGIT HEAT WITH NEAR RECORD HIGH TEMPERATURES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
IDZ001>003-WAZ033-036>038-182300-  
/O.CON.KOTX.HT.Y.0004.220817T1900Z-220820T0600Z/  
NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE-WASHINGTON  
PALOUSE-SPOKANE AREA-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-  
INCLUDING THE CITIES OF PORTHILL, COLFAX, CHEWELAH, ELK, WORLEY,  
CHENEY, HAYDEN, RATHDRUM, REPUBLIC, DANVILLE, NAPLES, COOLIN,  
EASTPORT, MOSCOW, ARDEN, NEWMAN LAKE, BONNERS FERRY, CLAYTON,  
TEKOA, UNIONTOWN, OAKESDALE, KETTLE FALLS, ROCKFORD, ROSALIA,  
SPOKANE, SANDPOINT, WAUCONDA, COEUR D'ALENE, MOLSON, LA CROSSE,  
MALO, POST FALLS, NEWPORT, DAVENPORT, PRIEST RIVER, POTLATCH,  
PLUMMER, CURLEW, GENESEE, ORIN, CHESAW, DEER PARK, PULLMAN,  
COLVILLE, AND INCHELIUM  
452 AM PDT WED AUG 17 2022  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM PDT  
FRIDAY...  
 
* WHAT...AFTERNOON TEMPERATURES IN THE MID 90S TO AROUND 100, WITH  
OVERNIGHT LOWS IN THE 60S.  
 
* WHERE...COLFAX, CHEWELAH, CHENEY, HAYDEN, RATHDRUM, REPUBLIC,  
MOSCOW, BONNERS FERRY, KETTLE FALLS, SPOKANE, SANDPOINT, COEUR  
D'ALENE, DAVENPORT, DEER PARK, PULLMAN, COLVILLE, AND INCHELIUM.  
 
* WHEN...FROM NOON TODAY TO 11 PM PDT FRIDAY.  
 
* IMPACTS...HOT TEMPERATURES WILL SIGNIFICANTLY INCREASE THE  
POTENTIAL FOR HEAT RELATED ILLNESSES, PARTICULARLY FOR THOSE  
SENSITIVE TO HEAT. RESIDENTS WITHOUT AIR CONDITIONERS WILL  
EXPERIENCE A BUILDUP OF HEAT WITHIN THEIR HOMES DURING THE  
AFTERNOON AND EVENING HOURS.  
 
* ADDITIONAL DETAILS...THURSDAY IS EXPECTED TO BE THE HOTTEST DAY OF  
THIS HEATWAVE. UPPER 90S AND TRIPLE DIGITS WILL BE COMMON AS  
TEMPERATURES CLIMB NEAR RECORD HIGHS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
IDZ026-027-WAZ031-032-182300-  
/O.CON.KOTX.HT.Y.0004.220817T1900Z-220820T0600Z/  
LEWISTON AREA-LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST  
BLUE MOUNTAINS-LOWER GARFIELD AND ASOTIN COUNTIES-  
INCLUDING THE CITIES OF CLARKSTON HEIGHTS, PECK, CLARKSTON,  
POMEROY, WINCHESTER, MOHLER, NEZPERCE, WAHA, CRAIGMONT, GIFFORD,  
KAMIAH, PEOLA, LAPWAI, ANATONE, CULDESAC, AND LEWISTON  
452 AM PDT WED AUG 17 2022  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM PDT  
FRIDAY...  
 
* WHAT...AFTERNOON TEMPERATURES IN THE 90S FOR THE CAMAS PRAIRIE AND  
BLUE MOUNTAINS AND 100 TO 105 FOR THE SNAKE RIVER AND CLEARWATER  
VALLEYS INCLUDING THE LEWISTON AND CLARKSTON AREAS. OVERNIGHT LOWS  
MAINLY IN THE 60S.  
 
* WHERE...CLARKSTON, POMEROY, WINCHESTER, NEZPERCE, CRAIGMONT,  
KAMIAH, LAPWAI, ANATONE, AND LEWISTON.  
 
* WHEN...FROM NOON TODAY TO 11 PM PDT FRIDAY.  
 
* IMPACTS...HOT TEMPERATURES WILL SIGNIFICANTLY INCREASE THE  
POTENTIAL FOR HEAT RELATED ILLNESSES, PARTICULARLY FOR THOSE  
SENSITIVE TO HEAT. RESIDENTS WITHOUT AIR CONDITIONERS WILL  
EXPERIENCE A BUILDUP OF HEAT WITHIN THEIR HOMES DURING THE  
AFTERNOON AND EVENING HOURS.  
 
* ADDITIONAL DETAILS...TEMPERATURES WILL REMAIN QUITE HOT INTO THE  
WEEKEND WITH WIDESPREAD 90S LIKELY ON SATURDAY AND SUNDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
WAZ048-182300-  
/O.CON.KOTX.HT.Y.0004.220817T1900Z-220820T0600Z/  
WESTERN CHELAN COUNTY-  
INCLUDING THE CITIES OF HOLDEN VILLAGE, LUCERNE, AND STEHEKIN  
452 AM PDT WED AUG 17 2022  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM PDT  
FRIDAY...  
 
* WHAT...AFTERNOON TEMPERATURES IN THE MID 90S TO AROUND 102, WITH  
OVERNIGHT LOWS IN THE 60S, IN THE LOWER ELEVATIONS.  
 
* WHERE...HOLDEN VILLAGE, LUCERNE, AND STEHEKIN.  
 
* WHEN...FROM NOON TODAY TO 11 PM PDT FRIDAY.  
 
* IMPACTS...HOT TEMPERATURES WILL SIGNIFICANTLY INCREASE THE  
POTENTIAL FOR HEAT RELATED ILLNESSES, PARTICULARLY FOR THOSE  
SENSITIVE TO HEAT. RESIDENTS WITHOUT AIR CONDITIONERS WILL  
EXPERIENCE A BUILDUP OF HEAT WITHIN THEIR HOMES DURING THE  
AFTERNOON AND EVENING HOURS.  
 
 
* ADDITIONAL DETAILS...TEMPERATURES WILL REMAIN QUITE HOT INTO THE  
WEEKEND WITH LOW TO MID 90S LIKELY ON SATURDAY AND SUNDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
WAZ049-182300-  
/O.CON.KOTX.HT.Y.0004.220817T1900Z-220820T0600Z/  
WESTERN OKANOGAN COUNTY-  
INCLUDING THE CITIES OF LOOMIS, WINTHROP, METHOW, CARLTON, TWISP,  
MAZAMA, AND CONCONULLY  
452 AM PDT WED AUG 17 2022  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM PDT  
FRIDAY...  
 
* WHAT...AFTERNOON TEMPERATURES IN THE UPPER 90S TO AS HOT AS 104,  
WITH OVERNIGHT LOWS IN THE 60S.  
 
* WHERE...LOOMIS, WINTHROP, METHOW, CARLTON, TWISP, MAZAMA, AND  
CONCONULLY.  
 
* WHEN...FROM NOON TODAY TO 11 PM PDT FRIDAY.  
 
* IMPACTS...HOT TEMPERATURES WILL SIGNIFICANTLY INCREASE THE  
POTENTIAL FOR HEAT RELATED ILLNESSES, PARTICULARLY FOR THOSE  
SENSITIVE TO HEAT. RESIDENTS WITHOUT AIR CONDITIONERS WILL  
EXPERIENCE A BUILDUP OF HEAT WITHIN THEIR HOMES DURING THE  
AFTERNOON AND EVENING HOURS.  
 
* ADDITIONAL DETAILS...THURSDAY IS EXPECTED TO BE THE HOTTEST DAY OF  
THIS HEATWAVE. ELEVATIONS BELOW 3000 FEET WILL EXPERIENCE TRIPLE  
DIGIT HEAT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
GKOCH  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WA Page
The Nexlab ID Page Main Text Page