068  
FNUS76 KPDT 032049  
FWSPDT  
 
SPOT FORECAST FOR FI-210...USFS  
NATIONAL WEATHER SERVICE PENDLETON OR  
149 PM PDT WED JUN 3 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1641 PDT ON JUNE 03.  
***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 PERSIST WITH WINDS BREEZY DURING THE  
DAY AND BECOMING LIGHT AND MORE TERRAIN DRIVEN IN THE OVERNIGHT  
HOURS. RELATIVE HUMIDITIES REMAIN ON THE LOW SIDE WHILE HOVERING  
IN THE 20S TODAY AND DROPPING DOWN INTO THE TEENS TOMORROW.  
OVERNIGHT RECOVERIES REMAIN EXCELLENT, GOING UP INTO THE 80S  
AND 90S.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.1 PERCENT.  
MAX TEMPERATURE.....70-75.  
MIN HUMIDITY........25-30 PERCENT.  
WIND (20 FT)........WEST WINDS 7 TO 12 MPH WITH GUSTS UP TO 20  
MPH.  
RIDGETOP WIND.......WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25  
MPH.  
MIXING HEIGHT.......6700 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
VENTILATION INDEX...  
 
TIME (PDT) 4 PM 6 PM 8 PM 10 PM MIDNGT 2 AM  
CHC OF LTNG (%).0 0 0 0 0 0  
TEMP............67 64 56 48 43 39  
RH..............35 39 48 67 80 87  
20 FT WIND......W 10 W 10 W 10 SW 8 SW 6 SW 5  
20 FT WIND GUST.17 17 14 11 8 6  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....34-39.  
MAX HUMIDITY........85-90 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 15  
MPH SHIFTING TO THE SOUTHWEST 3 TO 8 MPH  
BY 11 PM.  
RIDGETOP WIND.......WEST WINDS 7 TO 12 MPH WITH GUSTS UP TO 17  
MPH SHIFTING TO THE SOUTHWEST 5 TO 10 MPH  
BY 11 PM.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH DECREASING TO 5 TO 10 MPH  
OVERNIGHT.  
VENTILATION INDEX...MODERATE (360) DECREASING TO LOW (40)  
OVERNIGHT.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....73-78.  
MIN HUMIDITY........17-22 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 3 TO 8 MPH BY NOON.  
RIDGETOP WIND.......LIGHT WINDS BECOMING NORTH 5 TO 10 MPH BY NOON.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING WEST 6 TO 11 MPH  
LATE IN THE MORNING.  
VENTILATION INDEX...LOW (50) INCREASING TO MODERATE (300) IN THE  
AFTERNOON.  
 

 
FORECASTER...DAY  
REQUESTED BY...NICK LOEWEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614866.1/PDT  
.DELDT 06/03/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NICHOLAS.LOEWEN@USDA.GOV  
 
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