377
FNUS76 KPDT 291531
FWSPDT
SPOT FORECAST FOR RP 5000...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
831 AM PDT WED APR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 29.
***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 WARMING CONDITIONS WILL PERSIST OVER THE
FIRE AREA THROUGH THE PERIOD. WINDS WILL BE BELOW 10 MPH AND
DIURNALLY DRIVEN THROUGH THE DAY. DAYTIME RHS WILL BE IN THE
LOW TO MID 20% WEDNESDAY WITH EXCELLENT OVERNIGHT RECOVERIES
AND THURSDAYS RHS WILL BE IN THE UPPER TEENS TO LOW 20%.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....60-63.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH AFTER 11
AM, THEN SHIFTING TO THE NORTH AFTER 2 PM.
RIDGETOP WIND.......EAST WINDS 5 TO 7 MPH WINDS BECOMING EAST 7
TO 9 MPH AFTER 11 AM, THEN SHIFTING TO THE
NORTH AFTER 2 PM.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTHEAST 5 TO 9 MPH LATE
IN THE MORNING.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (270) IN THE
AFTERNOON.
TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............40 49 55 58 60 56
RH..............53 33 27 24 24 31
20 FT WIND......E 3 E 5 E 5 N 6 N 6 N 6
20 FT WIND GUST.6 10 10 11 11 11
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH BECOMING LIGHT OVERNIGHT.
RIDGETOP WIND.......NORTH WINDS 7 TO 9 BECOMING DOWN SLOPE/DOWN VALLEY
OVERNIGHT.
MIXING HEIGHT.......500 FT AGL IN THE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST 8 TO 13 MPH.
VENTILATION INDEX...MODERATE (360) DECREASING TO LOW (40)
OVERNIGHT.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.2 PERCENT.
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH AFTER
8 AM, THEN SHIFTING TO THE EAST 5 TO 8 MPH
AFTER 11 AM SHIFTING TO THE NORTHEAST AROUND
5 MPH AFTER 5 PM.
RIDGETOP WIND.......DOWN SLOPE/DOWN VALLEY BECOMING NORTHEAST 7 TO 9
MPH AFTER 8 AM, THEN SHIFTING TO THE EAST 7 TO 10
MPH AFTER 11 AM SHIFTING TO THE NORTHEAST AROUND
7 MPH AFTER 5 PM.
MIXING HEIGHT.......8100 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....EAST 5 TO 9 MPH BECOMING LIGHT.
VENTILATION INDEX...LOW (90) INCREASING TO MODERATE (350) IN THE
AFTERNOON.
FORECASTER...BENNESE
REQUESTED BY...PATRICK ODELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2612114.0/PDT
.DELDT 04/29/26
.FORMATTERVERSION 2.0.0
.EMAIL PATRICK.ODELL@USDA.GOV,MAX.LEIDENFROST@USDA.GOV
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