540
FNUS76 KPDT 170508
FWSPDT
SPOT FORECAST FOR ANTHONY FIRE DIV M...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
1008 PM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON JULY 17.
***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
A RIDGE OF HIGH PRESSURE WILL MAINTAIN DRY AND WARM
CONDITIONS AT THE SITE. AFTERNOON RELATIVE HUMIDITY VALUES WILL
DROP TO NEAR CRITICAL LEVELS BY SATURDAY AFTERNOON WITH ONLY
MODERATE RECOVERY OVERNIGHT. LIGHT UPSLOPE WIND FROM THE NORTH TO
NORTHEAST BY DAY WILL BECOME LIGHT DOWNSLOPE WEST TO
NORTHWESTERLY AT NIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH IN
THE AFTERNOON.
RIDGETOP WIND.......WEST TO NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......6100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (420) IN THE
AFTERNOON.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MIN TEMPERATURE.....49-52.
MAX HUMIDITY........49-54 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH.
RIDGETOP WIND.......NORTHWEST NEAR 10 MPH.
MIXING HEIGHT.......500 FT AGL IN THE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 9 MPH.
VENTILATION INDEX...LOW (170) DECREASING TO LOW (30) OVERNIGHT.
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 6 MPH IN THE
AFTERNOON.
RIDGETOP WIND.......WEST 10 TO 15 MPH.
MIXING HEIGHT.......9300 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...LOW (60) INCREASING TO VERY HIGH (810) IN THE
AFTERNOON.
FORECASTER...NWS SEATTLE
REQUESTED BY...LGIHC
TYPE OF REQUEST...WILDFIRE
.TAG 2617542.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL LILY.BARNES@USDA.GOV
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