036
FNUS76 KPDT 030919
FWSPDT
SPOT FORECAST FOR HEJ 13...USDA
NATIONAL WEATHER SERVICE PENDLETON OR
219 AM PDT SAT OCT 3 2026
FORECAST IS BASED ON IGNITION TIME OF 0500 PDT ON OCTOBER 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
THE WIND WILL BE LIGHT AND TERRAIN DRIVEN EARLY, THEN BECOMING LIGHT
(6 TO 8 MPH OR SO) OUT OF THE SOUTH THROUGH ABOUT 1700. LIGHT TERRAIN
DRIVEN WINDS REDEVELOP AFTER ABOUT 1700 (UNDER 5 MPH) AS AFTERNOON
MIN RELATIVE HUMIDITY NEAR 20% BEGINS A RECOVERY THAT SHOULD REACH
ABOUT 50% OVERNIGHT. THERE IS NO RISK FOR DRY THUNDER.
REST OF TONIGHT
SKY/WEATHER.........CLEAR (0-5 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........59-64 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH.
VENTILATION INDEX...LOW (40).
TIME (PDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............49 49 48 48 53 62 66 70 73 75 76 77
RH..............61 61 63 64 55 42 34 29 25 23 21 20
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE S S
20 FT WIND SPD..3 4 4 4 4 5 7 7 7 6 5 4
20 FT WIND GUST.5 6 6 6 7 10 12 13 13 12 11 10
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........LIGHT WINDS EARLY IN THE MORNING BECOMING
SOUTHEAST 5 TO 8 MPH, THEN SHIFTING TO THE
SOUTH AROUND 5 MPH LATE IN THE AFTERNOON
BECOMING LIGHT.
RIDGETOP WIND.......LIGHT WINDS EARLY IN THE MORNING BECOMING
SOUTHEAST 6 TO 9 MPH, THEN SHIFTING TO THE
SOUTH AROUND 7 MPH LATE IN THE AFTERNOON
BECOMING LIGHT.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 12 MPH BECOMING LIGHT.
VENTILATION INDEX...LOW (40) INCREASING TO MODERATE (380-390) IN
THE AFTERNOON.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....50-53.
MAX HUMIDITY........47-52 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......LIGHT WINDS.
MIXING HEIGHT.......2300 FT AGL EARLY IN THE EVENING.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST 6 TO 7 MPH EARLY IN
THE EVENING, THEN SHIFTING TO THE SOUTH AROUND
7 MPH OVERNIGHT.
VENTILATION INDEX...LOW (50) DECREASING TO LOW (30) OVERNIGHT.
SUNDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
SUNNY (60-70 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....77-81.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........LIGHT WINDS IN THE MORNING BECOMING SOUTH 5 TO
7 MPH, THEN SHIFTING TO THE WEST LATE IN THE
AFTERNOON BECOMING LIGHT.
RIDGETOP WIND.......LIGHT WINDS IN THE MORNING BECOMING SOUTH 6 TO
9 MPH, THEN SHIFTING TO THE WEST LATE IN THE
AFTERNOON BECOMING LIGHT.
MIXING HEIGHT.......5400 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTH 7 TO 9 MPH SHIFTING TO THE SOUTHWEST
AROUND 9 MPH LATE IN THE AFTERNOON, THEN
SHIFTING TO THE NORTHWEST AROUND 6 MPH LATE IN
THE AFTERNOON.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (330) IN THE
AFTERNOON.
FORECASTER...RUSSELL
REQUESTED BY...PEPE DELGADO
TYPE OF REQUEST...PRESCRIBED
.TAG 2622895.1/PDT
.DELDT 10/03/26
.FORMATTERVERSION 2.0.0
.EMAIL PEPE.DELGADORODRIGUEZ@USDA.GOV
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