545  
FNUS76 KPDT 112247  
FWSPDT  
 
SPOT FORECAST FOR YAKIMA COUNTY VACCINATION CENTER...WESTERN WASHINGTON IMT  
NATIONAL WEATHER SERVICE PENDLETON OR  
347 PM PDT SUN APR 11 2021  
 
FORECAST IS BASED ON FORECAST START TIME OF 2000 PDT ON APRIL 11.  
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***  
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES***  
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***  
 
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (541) 276-8134.  
   
DISCUSSION
 
 
GENERALLY PLEASANT WEATHER CONDITIONS TO PERSIST THE NEXT COUPLE  
OF DAYS WITH LIGHT WINDS OF 10 MPH OR LESS. A CHILLY START IS  
EXPECTED MONDAY MORNING AS LOWS FALL INTO THE UPPER 20S NEAR 30  
DEGREES. AFTER THAT A STEADY WARMUP IS EXPECTED WITH HIGHS RISING  
INTO THE 60S THROUGH MIDWEEK. WINDS TO INCREASE MARKEDLY TUESDAY  
AS A COLD FRONT MOVES FROM NORTH TO SOUTH ACROSS THE REGION. THIS  
WILL BRING BREEZY NORTHEAST WINDS WITH GUSTS 30 TO 40 MPH. THE  
UNUSUAL WIND DIRECTION COULD RESULT IN SOME DAMAGE TO TREES AND  
POWER LINES AS WELL AS BLOWING DUST TUESDAY.  
 
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....28-34.  
MAX HUMIDITY........52-57 PERCENT.  
SURFACE WINDS (MPH).NORTHWEST WINDS UP TO 8 MPH.  
MIXING HEIGHT.......NEAR SURFACE.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....62-67.  
MIN HUMIDITY........13-18 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS UP TO 10 MPH INCREASING TO NORTHEAST  
11 TO 19 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......NEAR SURFACE THEN 10000 FT AGL EARLY IN THE  
MORNING.  
TRANSPORT WINDS.....NORTHEAST AROUND 12 MPH.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....37-42.  
MAX HUMIDITY........35-40 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS 10 TO 15 MPH...INCREASING TO  
15 TO 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......10000 FT AGL EARLY IN THE EVENING THEN NEAR  
SURFACE.  
TRANSPORT WINDS.....NORTHEAST AROUND 19 MPH.  
   
TUESDAY
 
 
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....63-68.  
MIN HUMIDITY........10-15 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS 15 TO 25 MPH INCREASING TO 20  
TO 30 MPH WITH GUSTS UP TO 40 MPH IN THE  
AFTERNOON. BLOWING DUST IN THE AFTERNOON.  
MIXING HEIGHT.......NEAR SURFACE THEN 8800 FT AGL EARLY IN THE  
MORNING.  
TRANSPORT WINDS.....NORTHEAST 25 TO 35 MPH.  
   
FORECAST DAYS 3 THROUGH 5
 
   
WEDNESDAY
 
 
MOSTLY CLEAR. HAZY AND PATCHY BLOWING DUST. LOWS 36 TO 41. HIGHS  
65 TO 70. NORTHEAST WINDS 10 TO 16 MPH.    
THURSDAY
 
 
MOSTLY CLEAR. LOWS 39 TO 44. HIGHS 67 TO 72. NORTHEAST WINDS 6 TO  
12 MPH.    
FRIDAY
 
 
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 72 TO 77. NORTHEAST WINDS 6 TO  
11 MPH.  
 

 
FORECASTER...AUSTIN  
REQUESTED BY...GARY DURANCEAU  
TYPE OF REQUEST...OTHER  
.TAG 2108237.9/PDT  
.DELDT 04/11/21  
.FORMATTERVERSION 1.0.26  
.EMAIL GARYD@MOUNTVERNONWA.GOV  
 
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