063
FNUS76 KPDT 051535
FWSPDT
SPOT FORECAST FOR SAFR 9&78 RX...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
835 AM PDT SUN APR 5 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 06.
***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 THE
TRANSPORT WIND MULTIPLIED BY THE MIXING
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES
ARE A GENERALIZED INDICATOR ONLY.***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
OVERALL, DRY CONDITIONS PERSIST WITH BREEZY WINDS
DEVELOPING LATE TUESDAY MORNING. WIND GUSTS WILL REACH UP TO
20-25 MPH, WITH PERIODS OF 30 MPH GUSTS NOT OUT OF THE QUESTION.
MIN RH'S EXPECTED TO HOVER IN THE 20S, WITH OVERNIGHT RECOVERIES
JUMPING INTO THE 70S. VENTILATION EXPECTED TO BE BEST IN THE
AFTERNOON HOURS.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHTLY DRIVEN UPSLOPING WINDS, INCREASING TO
7 TO 12 MPH TO THE NORTHWEST BY 1 PM.
RIDGETOP WIND.......
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 9 TO 14 MPH LATE IN
THE MORNING.
VENTILATION INDEX...POOR (50) INCREASING TO EXCELLENT (710) IN THE
AFTERNOON.
TIME (PDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............46 58 66 70 71 67
RH..............69 50 35 29 30 36
20 FT WIND......N 2 N 2 NW 6 W 7 NW 7 NW 8
20 FT WIND GUST. 6 12 12 12
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........69-74 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH BECOMING SOUTHWEST
AT 3 TO 8 MPH BY 11 PM.
RIDGETOP WIND.......
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 18 MPH.
VENTILATION INDEX...FAIR (430) DECREASING TO POOR (80) OVERNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........WEST WINDS 3 TO 8 MPH, SHIFTING TO THE NORTHWEST
AT 7 TO 12 MPH BY 11 AM, GUSTING UP TO 20-25 MPH.
RIDGETOP WIND.......
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....WEST AT 7 TO 12 MPH INCREASING TO 23 TO 28 MPH
LATE IN THE MORNING.
VENTILATION INDEX...POOR (110) INCREASING TO EXCELLENT (1040) IN
THE AFTERNOON.
FORECASTER...DAY
REQUESTED BY...JEREMY GOTTFRIED
TYPE OF REQUEST...PRESCRIBED
.TAG 2609012.0/PDT
.DELDT 04/05/26
.FORMATTERVERSION 2.0.0
.EMAIL JEREMY.GOTTFRIED@USDA.GOV
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