234  
FNUS76 KPDT 300807  
FWSPDT  
 
SPOT FORECAST FOR HUTCHINS...WDFW  
NATIONAL WEATHER SERVICE PENDLETON OR  
107 AM PDT THU APR 30 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 30.  
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS ***  
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES ***  
***CWR: CHANCE OF WETTING RAIN 0.10 OR GREATER ***  
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND  
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.  
CATEGORIES ARE A GENERALIZED INDICATOR ONLY:  
LOW (< 200), MODERATE (200-500), HIGH (500-700),  
AND VERY HIGH (> 700). ***  
 
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (541) 276-8134.  
   
DISCUSSION
 
DRY CONDITIONS ARE EXPECTED THROUGH FRIDAY.  
 
WINDS WILL GENERALLY BE 10 MPH OR LESS.  
 
MIN RH VALUES WILL BE AROUND 30 PERCENT WITH GOOD OVERNIGHT  
RECOVERIES.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....62-65.  
MIN HUMIDITY........28-33 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH SHIFTING TO THE EAST  
5 TO 10 MPH EARLY IN THE MORNING.  
RIDGETOP WIND.......SOUTHEAST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......5700 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHEAST 8 TO 13 MPH  
EARLY IN THE MORNING.  
VENTILATION INDEX...LOW (50) INCREASING TO HIGH (580) IN THE  
AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 47 51 54 56 59 60 61 62 62 62 62  
RH..............56 55 49 45 42 39 37 35 34 33 32 32  
20 FT WIND DIR..SW SW E E E E E E E E E SE  
20 FT WIND SPD..5 5 5 5 5 7 7 7 6 6 6 5  
20 FT WIND GUST.6 6 10 10 10 11 11 11 11 11 11 8  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 50.  
MAX HUMIDITY........47-52 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING SOUTHWEST AROUND  
5 MPH EARLY IN THE MORNING.  
RIDGETOP WIND.......SOUTH WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 9 MPH BECOMING LIGHT.  
VENTILATION INDEX...LOW (130) DECREASING TO LOW (30) OVERNIGHT.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.6 PERCENT.  
MAX TEMPERATURE.....65-68.  
MIN HUMIDITY........28-33 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHEAST 5 TO 7  
MPH LATE IN THE MORNING.  
RIDGETOP WIND.......SOUTH TO SOUTHEAST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......5800 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH 7 TO 9 MPH LATE IN  
THE MORNING.  
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (360) IN THE  
AFTERNOON.  
 

 
FORECASTER...NIERENBERG  
REQUESTED BY...FIONA EDWARDS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612034.1/PDT  
.DELDT 04/30/26  
.FORMATTERVERSION 2.0.0  
.EMAIL FIONA.EDWARDS@DFW.WA.GOV  
 
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