791  
FNUS76 KPDT 170852  
FWSPDT  
 
SPOT FORECAST FOR JORDAN CREEK...USFS  
NATIONAL WEATHER SERVICE PENDLETON OR  
152 AM PDT FRI JUL 17 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON JULY 17.  
***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 SATURDAY.  
 
MIN RH VALUES WILL BE 25 TO 30 PERCENT TODAY AND 20 TO 25 PERCENT  
ON SATURDAY, WITH MODERATE OVERNIGHT RECOVERIES.  
 
WINDS WILL GENERALLY BE OUT OF THE WEST.  
   
TODAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....73-76.  
MIN HUMIDITY........25-30 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH.  
RIDGETOP WIND.......SOUTHWEST TO WEST WIND 5 TO 10 MPH BECOMING WEST  
IN THE AFTERNOON AND INCREASING TO 10 TO 15 MPH LATE.  
MIXING HEIGHT.......3800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 16 MPH.  
VENTILATION INDEX...LOW (60) INCREASING TO MODERATE (350) 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............43 46 52 56 63 66 68 71 72 73 73 72  
RH..............67 63 53 45 40 37 36 33 31 30 29 30  
20 FT WIND DIR..W W W NW NW NW NW W W W W W  
20 FT WIND SPD..4 4 3 3 3 3 3 4 4 4 4 5  
20 FT WIND GUST.6 6 6 5 5 6 6 6 6 6 7 10  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....45-50.  
MAX HUMIDITY........64-69 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH IN THE EVENING BECOMING  
LIGHT.  
RIDGETOP WIND.......WEST WINDS 10 TO 15 MPH EARLY, BECOMING SOUTHWEST AND  
DECREASING TO 5 TO 10 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 16 MPH.  
VENTILATION INDEX...LOW (170) DECREASING TO LOW (40) OVERNIGHT.  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....75-78.  
MIN HUMIDITY........20-25 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH LATE IN  
THE AFTERNOON.  
RIDGETOP WIND.......WEST WINDS 10 TO 15 MPH.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 15 MPH.  
VENTILATION INDEX...LOW (80) INCREASING TO MODERATE (430) IN THE  
AFTERNOON.  
 
 
FORECASTER...NIERENBERG  
REQUESTED BY...IC GEOVAN CARRANZA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617514.1/PDT  
.DELDT 07/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL WACCC@FIRENET.GOV,GEOVANNI.CARRANZA@USDA.GOV  
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