462
FNUS76 KPDT 162301
FWSPDT
SPOT FORECAST FOR CROSSWHITE FIRE...FOREST SERVICE
NATIONAL WEATHER SERVICE PENDLETON OR
401 PM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 1600 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
DRYING AND WARMING TREND THROUGH FRIDAY AS HIGH PRESSURE AND UPPER
LEVEL SUPPORT KEEPS SKIES CLEAR. NORTHWEST WINDS TONIGHT WILL PEAK
BETWEEN 1700-1900, SUBSIDING THROUGH THE EVENING. WINDS INCREASE
FRIDAY AFTERNOON, PEAKING BETWEEN 1700-1900. A WEAK, SHALLOW
INVERSION SETS UP OVERNIGHT, BREAKING AROUND 0700.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.7 PERCENT.
MAX TEMPERATURE.....90-93.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 15 MPH WITH GUSTS
UP TO 22 MPH BECOMING 5 TO 10 MPH
AFTER 2300.
RIDGETOP WIND.......NORTH WINDS 12 TO 17 MPH WITH GUSTS
UP TO 25 MPH BECOMING 5 TO 10 MPH
AFTER 2300
MIXING HEIGHT.......6300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 14 TO 16 MPH.
VENTILATION INDEX...
TIME (PDT) 4 PM 6 PM 8 PM 10 PM MIDNGT 2 AM
CHC OF LTNG (%).10 0 0 0 0 0
TEMP............89 86 77 70 65 63
RH..............33 35 40 44 48 52
20 FT WIND......NW 12 N 15 N 12 N 10 N 6 N 5
20 FT WIND GUST.16 20 17 14
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT AFTER 0100.
RIDGETOP WIND.......NORTHWEST WINDS 6 TO 12 MPH IN THE EVENING
BECOMING LIGHT AFTER 0100.
MIXING HEIGHT.......600 FT AGL IN THE EVENING AND OVERNIGHT THEN
500 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....NORTHWEST 8 TO 16 MPH BECOMING LIGHT.
VENTILATION INDEX...MODERATE (390) DECREASING TO LOW (30)
OVERNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....89-92.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 4 TO 8 MPH BY 1100,
THEN SHIFTING TO THE NORTHWEST 6 TO 12 MPH
WITH GUSTS UP TO 22 MPH AFTER 1400.
RIDGETOP WIND.......LIGHT WINDS BECOMING WEST 4 TO 8 MPH BY 1100,
THEN SHIFTING TO THE NORTHWEST 7 TO 13 MPH
WITH GUSTS UP TO 25 MPH AFTER 1400.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 5 TO 9 MPH EARLY IN
THE MORNING, THEN SHIFTING TO THE NORTH AROUND
12 MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...LOW (40) INCREASING TO MODERATE (290) IN THE
AFTERNOON.
FORECASTER...CALLIHAN
REQUESTED BY...CHANTELLE DELAY
TYPE OF REQUEST...WILDFIRE
.TAG 2617507.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL CHANTELLE_DELAY@FIRENET.GOV
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