665
FNUS76 KPDT 042115
FWSPDT
SPOT FORECAST FOR SWAUK CREEK...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
215 PM PDT TUE AUG 4 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 05.
***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
TERRAIN-DRIVEN WINDS WILL CONTINUE TO PREVAIL OVER
THE INCIDENT WITH LIGHT DRAINAGE WINDS AT NIGHT AND LIGHT BREEZES
IN THE AFTERNOON. WESTERLY GUSTS AS HIGH AS AROUND 15 MPH
ANTICIPATED WEDNESDAY AND THURSDAY. FAIR OVERNIGHT RECOVERY TONIGHT
AND WEDNESDAY NIGHT WITH CRITICALLY LOW AFTERNOON HUMIDITY EACH
DAY. NO PRECIPITATION EXPECTED OVER THE NEXT 7-DAYS.
WEDNESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....85-87.
MIN HUMIDITY........14-17 PERCENT.
WIND (20 FT)........LIGHT TERRAIN DRIVEN WINDS 2 TO 4 MPH BECOMING
SOUTH AROUND 5 MPH MID-LATE MORNING SHIFTING
TO THE WEST 5 TO 7 MPH WITH OCCASIONAL GUSTS
UP TO 15 BY LATE AFTERNOON.
RIDGETOP WIND.......SOUTH WIND AROUND 2 TO 5 MPH BECOMING WEST
WIND AROUND 10 MPH BY LATE AFTERNOON.
MIXING HEIGHT.......6200 FT.
TRANSPORT WINDS.....LIGHT AND VARIABLE AROUND 3 MPH BECOMING
SOUTH AROUND 6 MPH LATE IN THE MORNING
SHIFTING TO THE WEST BY MID AFTERNOON.
VENTILATION INDEX...MODERATE (320).
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............58 63 74 82 86 87
RH..............42 38 27 17 14 14
20 FT WIND......N 2 N 2 S 3 S 6 S 6 WSW 7
20 FT WIND GUST. 15
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....59-62.
MAX HUMIDITY........40-45 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT DRAINAGE WINDS 1 TO 3 MPH.
RIDGETOP WIND.......WEST WINDS AROUND 5 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 12 MPH.
VENTILATION INDEX...LOW (40).
THURSDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....86-89.
MIN HUMIDITY........13-16 PERCENT.
WIND (20 FT)........LIGHT TERRAIN WINDS 2 TO 4 MPH BECOMING
WEST 6 TO 10 MPH LATE IN THE MORNING WITH
GUSTS AROUND 15 MPH.
RIDGETOP WIND.......WEST WINDS AROUND 5 MPH INCREASING TO 10
TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......5800 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 13 MPH.
VENTILATION INDEX...MODERATE (360).
FORECASTER...TOWNSEND
REQUESTED BY...JEFF ANDERS
TYPE OF REQUEST...WILDFIRE
.TAG 2618969.0/PDT
.DELDT 08/04/26
.FORMATTERVERSION 2.0.0
.EMAIL SETH.MISSAL@USDA.GOV,JANDERS@LDAF.STATE.LA.US
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