391  
FNUS76 KPDT 010734  
FWSPDT  
 
SPOT FORECAST FOR HUTCHINS...WDFW  
NATIONAL WEATHER SERVICE PENDLETON OR  
1234 AM PDT FRI MAY 1 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON MAY 01.  
***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  
MAINLY DRY WEATHER IS EXPECTED THROUGH SATURDAY.  
HOWEVER, THERE IS A VERY LOW CHANCE (<10%) OF A SHOWER OR THUNDERSTORM.  
 
WINDS WILL MAINLY BE 10 MPH OR LESS. MIN RH VALUES WILL BE IN THE 25  
TO 30 PERCENT RANGE, WITH MODERATE OVERNIGHT RECOVERIES.  
   
TODAY  
 
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 SHIFTING TO THE  
SOUTHEAST EARLY IN THE MORNING.  
RIDGETOP WIND.......SOUTHEAST WINDS AROUND 10 MPH.  
MIXING HEIGHT.......6100 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 12 MPH.  
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (460) 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 10  
TEMP............47 49 53 56 59 61 63 64 65 65 65 65  
RH..............46 47 43 40 36 34 33 33 32 32 32 33  
20 FT WIND DIR..SW SW SE SE SE E E E SE SE SE SE  
20 FT WIND SPD..5 5 5 5 5 6 6 6 6 6 6 5  
20 FT WIND GUST.6 6 7 7 7 10 10 10 11 11 11 10  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.6 PERCENT.  
MIN TEMPERATURE.....52-55.  
MAX HUMIDITY........51-56 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH SHIFTING TO THE WEST  
EARLY IN THE EVENING.  
RIDGETOP WIND.......SOUTHEAST WINDS AROUND 10 MPH BECOMING EAST BY DAYBREAK.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING NORTHWEST 6 TO 7  
MPH LATE IN THE EVENING.  
VENTILATION INDEX...LOW (60) DECREASING TO LOW (30) OVERNIGHT.  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.6 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........26-31 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH SHIFTING TO THE EAST  
LATE IN THE MORNING.  
RIDGETOP WIND.......EAST WINDS AROUND 10 MPH BECOMING NORTHEAST IN THE  
MORNING THEN SHIFTING BACK TO THE EAST IN THE AFTERNOON.  
MIXING HEIGHT.......6900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH SHIFTING TO THE EAST 6  
TO 10 MPH EARLY IN THE MORNING, THEN INCREASING  
TO 6 TO 12 MPH LATE IN THE AFTERNOON.  
VENTILATION INDEX...LOW (30) INCREASING TO HIGH (500) IN THE  
AFTERNOON.  
 
 
FORECASTER...NIERENBERG  
REQUESTED BY...FIONA EDWARDS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612034.2/PDT  
.DELDT 05/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL FIONA.EDWARDS@DFW.WA.GOV  
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