377  
FXUS66 KOTX 230321  
AFDOTX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE SPOKANE WA  
821 PM PDT SUN APR 22 2018  
   
SYNOPSIS
 
 
DRY WEATHER IS EXPECTED MUCH OF THIS WEEK, WITH OUR WARMEST  
WEATHER OF THE SPRING SEASON THUS FAR. BY THURSDAY AND FRIDAY,  
SOME OF OUR LOWLAND AREAS WILL HAVE A SHOT OF REACHING 80 DEGREES  
OR MORE. CHANGES ARE POSSIBLE BY THE WEEKEND, WITH A THREAT OF  
SHOWERS RETURNING TO THE REGION AS WELL AS COOLER TEMPERATURES.  
 

 
   
DISCUSSION
 
 
EVENING UPDATE: THE LOSS OF DAYTIME HEATING IS RESULTING IN A  
DISSIPATION OF THE FLAT CUMULUS THIS EVENING WITH DRIER AIR ALOFT  
MOVING IN AS WELL. SKIES ARE EXPECTED TO REMAIN GENERALLY CLEAR  
FOR THE REST OF TONIGHT EXCEPT FOR LINGERING PARTLY CLOUDY SKIES  
IN THE IDAHO PANHANDLE. MADE SOME MINOR ADJUSTMENTS TO THE SKY  
COVER FORECAST FOR TONIGHT BASED ON CURRENT SATELLITE TRENDS. THE  
CLEAR SKIES AND LIGHT WINDS COMBINED WITH A DRY ATMOSPHERE WILL  
PROMOTE EFFICIENT RADIATIONAL COOLING TONIGHT WITH LOWS MOSTLY IN  
THE UPPER 20S TO MID 30S. JW  
 

 
   
AVIATION
 
 
00Z TAFS: MID AND HIGH CLOUDS WILL CONTINUE THROUGH 03Z WITH  
WINDS BELOW 10 KTS AND VFR CONDITIONS. HIGH PRESSURE BUILDS IN  
OVERNIGHT BRINGING CLEAR SKIES. ANOTHER ROUND OF HIGH CLOUDS FOR  
THE REGION AROUND 12Z AND CLEARING AROUND 20Z. VFR CONDITIONS ARE  
EXPECTED FOR THE REGION. /JDC  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
SPOKANE 33 61 36 70 45 73 / 0 0 0 0 0 0  
COEUR D'ALENE 33 61 35 70 43 72 / 0 0 0 0 0 0  
PULLMAN 32 61 34 69 43 71 / 0 0 0 0 0 0  
LEWISTON 36 65 38 76 47 78 / 0 0 0 0 0 0  
COLVILLE 31 64 34 72 42 75 / 0 0 0 0 0 0  
SANDPOINT 32 60 33 67 40 69 / 0 0 0 0 0 0  
KELLOGG 32 59 32 69 42 69 / 0 0 0 0 0 0  
MOSES LAKE 33 67 37 74 45 78 / 0 0 0 0 0 0  
WENATCHEE 36 65 38 72 47 76 / 0 0 0 0 0 0  
OMAK 35 65 37 73 45 77 / 0 0 0 0 0 0  
 

 
   
OTX WATCHES/WARNINGS/ADVISORIES
 
 
ID...NONE.  
WA...NONE.  
 

 
 

 
 
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