576
FNUS76 KPDT 301249
FWSPDT
SPOT FORECAST FOR NW HQ...USFWS
NATIONAL WEATHER SERVICE PENDLETON OR
549 AM PDT THU APR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON APRIL 30.
***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 WEATHER IS EXPECTED THROUGH FRIDAY.
WHERE COULD BE SOME GUSTY WINDS TO AROUND 15 MPH, TODAY
OTHERWISE, WINDS SHOULD GENERALLY BE 10 MPH OR LESS.
TEMPERATURES WILL BE ON A WARMING TREND. MIN RH VALUES WILL
BE AROUND 30 PERCENT, WITH MODERATE OVERNIGHT RECOVERIES.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....73-76.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH SHIFTING TO THE EAST
5 TO 10 MPH LATE IN THE MORNING. GUSTS TO 15 MPH.
RIDGETOP WIND.......EAST WINDS 10 TO 15 MPH IN THE MORNING, DECREASING TO
5 TO 10 MPH IN THE AFTERNOON.
MIXING HEIGHT.......6900 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 9 MPH SHIFTING TO THE EAST 8 TO
12 MPH LATE IN THE MORNING.
VENTILATION INDEX...LOW (130) INCREASING TO HIGH (590) IN THE
AFTERNOON.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 49 54 60 64 69 70 71 73 72 72 71
RH..............67 65 60 52 44 39 36 34 32 32 32 34
20 FT WIND DIR..NE E E E E E E E E E E E
20 FT WIND SPD..6 5 5 5 7 7 7 8 8 8 6 6
20 FT WIND GUST.11 12 12 12 13 13 13 12 12 12 11 11
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....45-48.
MAX HUMIDITY........56-61 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH SHIFTING TO THE NORTH
EARLY IN THE EVENING.
RIDGETOP WIND.......EAST WIND 5 TO 10 MPH, BECOMING SOUTHEAST AROUND
10 MPH BY DAYBREAK.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....EAST AROUND 8 MPH SHIFTING TO THE NORTH AROUND
6 MPH EARLY IN THE EVENING.
VENTILATION INDEX...LOW (130) DECREASING TO LOW (60) OVERNIGHT.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHEAST 5 TO 8
MPH LATE IN THE MORNING SHIFTING TO THE SOUTH 5
TO 7 MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTH WINDS 5 TO 10 MPH.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 6 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHEAST 6 TO 7
MPH LATE IN THE MORNING.
VENTILATION INDEX...LOW (50) INCREASING TO MODERATE (290) IN THE
AFTERNOON.
FORECASTER...NIERENBERG
REQUESTED BY...THOMAS BOGGS
TYPE OF REQUEST...PRESCRIBED
.TAG 2611776.6/PDT
.DELDT 04/30/26
.FORMATTERVERSION 2.0.0
.EMAIL THOMAS_BOGGS@FWS.GOV
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