937
FNUS76 KPDT 010727
FWSPDT
SPOT FORECAST FOR WALTER SPRINGS RX...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
1227 AM PDT FRI MAY 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON MAY 01.
***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
MAINLY DRY WEATHER IS EXPECTED THROUGH SATURDAY.
HOWEVER, THERE IS A VERY LOW (<15%) CHANCE OF A SHOWER BOTH
FRIDAY AND SATURDAY AND A VERY LOW CHANCE (<10%) OF A THUNDERSTORM.
WINDS WILL MAINLY BE 10 MPH OR LESS, EXCEPT FOR SOME WIND GUSTS THIS
AFTERNOON.
MIN RH VALUES WILL BE IN THE 30 TO 35 PERCENT RANGE WITH GOOD OVERNIGHT
RECOVERIES.
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.7 PERCENT.
MAX TEMPERATURE.....62-65.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH SHIFTING TO THE
SOUTHEAST 5 TO 8 MPH LATE IN THE MORNING.
GUSTS 10 TO 15 MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTH WINDS 5 TO 10 MPH, BECOMING SOUTHEAST
IN THE AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 13 MPH.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (460) IN THE
AFTERNOON.
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............44 48 56 60 62 62
RH..............51 47 39 37 35 36
20 FT WIND......SW 5 S 6 S 6 SE 8 S 8 S 8
20 FT WIND GUST.7 11 11 14 14 14
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.7 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH SHIFTING TO THE
SOUTHWEST EARLY IN THE EVENING, THEN SHIFTING
TO THE SOUTHEAST LATE IN THE EVENING SHIFTING
TO THE NORTH OVERNIGHT.
RIDGETOP WIND.......SOUTHEAST WIND AROUND 10 MPH.
MIXING HEIGHT.......3100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 8 MPH SHIFTING TO THE NORTHEAST 5
TO 6 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE NORTH AROUND 6 MPH EARLY IN THE MORNING.
VENTILATION INDEX...LOW (40) DECREASING TO LOW (30) OVERNIGHT.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.7 PERCENT.
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH SHIFTING TO THE EAST 5
TO 8 MPH LATE IN THE MORNING.
RIDGETOP WIND.......SOUTHEAST WIND AROUND 10 MPH BECOMING EAST DURING
THE AFTERNOON.
MIXING HEIGHT.......6300 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 6 MPH SHIFTING TO THE EAST 6 TO 12
MPH EARLY IN THE MORNING.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (440) IN THE
AFTERNOON.
FORECASTER...NIERENBERG
REQUESTED BY...NICHOLAS STEEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2611886.3/PDT
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL NICHOLAS.STEEL@USDA.GOV
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