518
FNUS76 KPDT 170453
FWSPDT
SPOT FORECAST FOR HOPKIN...BLM
NATIONAL WEATHER SERVICE PENDLETON OR
953 PM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT 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 WILL DROP TO
NEAR CRITICAL LEVELS EACH OF THE NEXT COUPLE AFTERNOONS WITH
ONLY MODERATE OVERNIGHT RECOVERY. LIGHT WEST TO SOUTHWEST WINDS
WILL RISE TO 15 TO 25 MPH EACH AFTERNOON OUT OF THE WEST TO
NORTHWEST.
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....85-88.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 11 MPH SHIFTING TO THE
NORTHWEST 7 TO 18 MPH IN THE LATE MORNING AND
AFTERNOON.
RIDGETOP WIND.......
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 17 MPH.
VENTILATION INDEX...LOW (100) INCREASING TO MODERATE (430) IN THE
AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............56 60 64 67 72 75 78 80 83 84 84 85
RH..............63 58 51 45 40 34 31 28 26 24 24 25
20 FT WIND DIR..SW SW W W W W NW NW NW NW NW NW
20 FT WIND SPD..10 10 11 11 12 12 12 13 13 14 17 18
20 FT WIND GUST.12 13 14 14 14 16 17 18 18 20 21 22
FRIDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........52-57 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 18 MPH WITH GUSTS TO AROUND 23
MPH SHIFTING TO THE SOUTHWEST 5 TO 11 MPH
OVERNIGHT.
RIDGETOP WIND.......
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 17 MPH.
VENTILATION INDEX...MODERATE (280) DECREASING TO LOW (60)
OVERNIGHT.
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST 8 TO 19 MPH WITH GUSTS TO AROUND 24
MPH LATE IN THE MORNING.
RIDGETOP WIND.......
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 18 MPH.
VENTILATION INDEX...LOW (110) INCREASING TO HIGH (530) IN THE
AFTERNOON.
FORECASTER...NWS SEATTLE
REQUESTED BY...NW
TYPE OF REQUEST...WILDFIRE
.TAG 2617536.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL ORCOC@FIRE.GOV,MNOSS@BLM.GOV
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