538
FNUS76 KPDT 231301
FWSPDT
SPOT FORECAST FOR EKONE RX...WASHINGTON DNR
NATIONAL WEATHER SERVICE PENDLETON OR
601 AM PDT SAT MAY 23 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON MAY 23.
***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
WARM, DRY CONDITIONS ARE FORECAST THROUGH THE WEEKEND.
AFTERNOON RH IS EXPECTED TO BE IN THE 20S, FOLLOWED BY GOOD OVERNIGHT
RECOVERY. CONFIDENCE IN FORECAST DETAILS FOR MONDAY ONWARD IS LOW, BUT
A LOW-PRESSURE SYSTEM AND ATTENDANT COLD FRONT WILL ALMOST CERTAINLY
(95 PERCENT CONFIDENCE) ARRIVE BY MONDAY AFTERNOON, USHERING IN BREEZY
TO WINDY WESTERLY WINDS AND A LOW CHANCE (5-15 PERCENT) OF RAIN SHOWERS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (5-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 3-7 MPH IN THE MORNING, BECOMING WEST
10-15 MPH WITH GUSTS OF 17-25 MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTHWEST WINDS 4-8 MPH IN THE MORNING, BECOMING WEST
15-20 MPH WITH GUSTS OF 20-30 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4500-5000 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....WEST 8-12 MPH IN THE MORNING, INCREASING TO 15-20 MPH
IN THE AFTERNOON.
VENTILATION INDEX...LOW (110) INCREASING TO VERY HIGH (700) IN THE
AFTERNOON.
TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............55 61 68 72 74 75
RH..............62 52 42 34 30 32
20 FT WIND......W 6 W 8 W 12 W 14 W 17 W 18
20 FT WIND GUST. 22 24 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....47-50.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........WEST WINDS 10-15 MPH WITH GUSTS OF 15-25 MPH IN
THE EVENING, BECOMING WEST TO NORTHWEST 2-6 MPH
OVERNIGHT.
RIDGETOP WIND.......WEST WINDS 15-20 MPH WITH GUSTS OF 20-30 MPH IN
THE EVENING, BECOMING WEST TO NORTHWEST 4-9 MPH
OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 300-600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 15-20 MPH DECREASING TO 7-11 MPH
OVERNIGHT.
VENTILATION INDEX...MODERATE (300) IN THE EVENING, DECREASING TO LOW (40)
OVERNIGHT.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (30-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....73-76.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........WEST WINDS 5-10 MPH WITH GUSTS UP TO 15 MPH IN THE
MORNING, INCREASING TO 12-17 MPH WITH GUSTS OF 15-25
MPH IN THE AFTERNOON.
RIDGETOP WIND.......WEST WINDS 7-12 MPH WITH GUSTS UP TO 17 MPH IN THE
MORNING, INCREASING TO 15-20 MPH WITH GUSTS OF 20-30
MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4500-5000 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....WEST 6-10 MPH IN THE MORNING, INCREASING TO 15-20 MPH
BY AFTERNOON.
VENTILATION INDEX...LOW (90) INCREASING TO VERY HIGH (720) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 5
MEMORIAL DAY
COOLER. PARTLY TO MOSTLY CLOUDY. LOW CHANCE (5-15 PERCENT) OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. WEST WINDS 10-20 MPH WITH
GUSTS OF 20-30 MPH IN THE MORNING, INCREASING TO 20-30 MPH WITH GUSTS
OF 35-45 MPH IN THE AFTERNOON.
TUESDAY
MOSTLY CLOUDY. CHANCE (30 PERCENT) OF SHOWERS. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. WEST WINDS 10-15 MPH WITH GUSTS OF 15-25 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE (25 PERCENT) OF SHOWERS. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 60S. WEST WINDS 6-10 MPH WITH GUSTS UP TO 15 MPH.
FORECASTER...PLUNKETT
REQUESTED BY...KYLE LAPHAM
TYPE OF REQUEST...PRESCRIBED
.TAG 2614222.2/PDT
.DELDT 05/23/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLE.LAPHAM@DNR.WA.GOV
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