079
FNUS76 KPDT 170035
FWSPDT
SPOT FORECAST FOR JORDAN CREEK...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
535 PM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON JULY 16.
***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
HIGH PRESSURE STRENGTHENS OVER THE FIRE AREA THIS
EVENING, KEEPING SKIES CLEAR, CALMING WINDS, AND ALLOWING AN
INVERSION TO SET UP BETWEEN 2000 AND 2100. THERMAL BELT AROUND
5000 FEET, WITH INVERSION BREAKING AROUND 0800 FRIDAY. LIGHT,
DIURNALLY AND TERRAIN DRIVEN WINDS FRIDAY, WITH ANOTHER INVERSION
SETTING UP AROUND 2100 NEAR 6000 FEET AND BREAKS AROUND 0900
SATURDAY.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....43-46.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 18 MPH BECOMING 4 TO 8 MPH AFTER
2200 AND LIGHT OVERNIGHT.
RIDGETOP WIND.......WEST WINDS 12 TO 18 MPH WITH GUSTS TO
AROUND 20 MPH BECOMING 5 TO 10 MPH AFTER
2200 AND LIGHT OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 20 MPH DECREASING TO AROUND 9 MPH
EARLY IN THE MORNING.
VENTILATION INDEX...LOW (170) DECREASING TO LOW (60) OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............65 63 56 52 50 48 47 46 45 45 44 44
RH..............51 54 55 62 66 69 71 71 71 70 70 68
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..11 12 12 11 8 6 5 5 5 5 4 4
20 FT WIND GUST.18 18 17 14 14 12 11 10 8 7 7 6
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....74-77.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
THE AFTERNOON.
RIDGETOP WIND.......LIGHT WINDS BECOMING WEST 4 TO 8 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH.
VENTILATION INDEX...LOW (70) INCREASING TO MODERATE (350) IN THE
AFTERNOON.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....46-49.
MAX HUMIDITY........62-67 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT AFTER 0200.
RIDGETOP WIND.......WEST WINDS 6 TO 11 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT AFTER 0200.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 15 MPH.
VENTILATION INDEX...MODERATE (200) DECREASING TO LOW (50)
OVERNIGHT.
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....76-79.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH AFTER
1400.
RIDGETOP WIND.......LIGHT WINDS BECOMING 6 TO 12 MPH AFTER 1400.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 15 MPH.
VENTILATION INDEX...LOW (40) INCREASING TO MODERATE (370) IN THE
AFTERNOON.
FORECASTER...CALLIHAN
REQUESTED BY...IC GEOVAN CARRANZA
TYPE OF REQUEST...WILDFIRE
.TAG 2617514.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL WACCC@FIRENET.GOV,GEOVANNI.CARRANZA@USDA.GOV
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