602
FNUS76 KPDT 292232
FWSPDT
SPOT FORECAST FOR ELK 16 C RX...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
332 PM PDT WED APR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0000 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
DRY AND WARM CONDITIONS WILL PERSIST OVER THE
FIRE AREA THROUGH THE PERIOD. RH RECOVERIES INTO FRIDAY
MORNING WILL BE IN THE 50% WITH DAYTIME RHS IN THE 20%.
RECOVERIES SATURDAY MORNING WILL BE IN THE UPPER 40% TO LOW
50% WITH SATURDAY RHS IN THE MID TO UPPER TEENS. INVERSION
WILL BREAK AFTER 10 AM BOTH DAYS WITH MIXING HEIGHTS NEARING
8000 FT AGL.
THURSDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........54-59 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......DOWNSLOPE/DOWN VALLEY WINDS.
MIXING HEIGHT.......1300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 6 MPH SHIFTING TO THE SOUTHEAST
AROUND 7 MPH EARLY IN THE MORNING.
VENTILATION INDEX...LOW (70).
TIME (PDT) MIDNGT 2 AM 4 AM 6 AM 8 AM 10 AM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............42 40 38 40 46 57
RH..............56 56 59 57 49 36
20 FT WIND......NE 4 N 4 N 4 N 4 SE 4 SE 4
20 FT WIND GUST.5 5 5
FRIDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH AFTER
8 AM.
RIDGETOP WIND.......DOWNSLOPE/DOWN VALLEY WINDS BECOMING SOUTHEAST
AFTER 8 AM.
MIXING HEIGHT.......7700 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 15 MPH.
VENTILATION INDEX...LOW (130) INCREASING TO VERY HIGH (840) IN THE
AFTERNOON.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....42-45.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH LIGHT WINDS OVERNIGHT.
RIDGETOP WIND.......SOUTHEAST WINDS 7 TO 10 MPH BECOMING 4 TO 6 MPH.
MIXING HEIGHT.......1300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 13 MPH SHIFTING TO THE EAST 9
TO 10 MPH LATE IN THE EVENING.
VENTILATION INDEX...MODERATE (410) DECREASING TO LOW (120)
OVERNIGHT.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MAX TEMPERATURE.....69-72.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH AFTER
5 AM.
RIDGETOP WIND.......DOWNSLOPE/DOWN VALLEY BECOMING SOUTHEAST 7 TO 10
MPH AFTER 5 AM.
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 16 MPH.
VENTILATION INDEX...LOW (150) INCREASING TO VERY HIGH (890) IN THE
AFTERNOON.
FORECASTER...BENNESE
REQUESTED BY...JESSE RIGEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2612166.0/PDT
.DELDT 04/29/26
.FORMATTERVERSION 2.0.0
.EMAIL JESSE.RIGEL@USDA.GOV
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