368
FNUS76 KPDT 201232
FWSPDT
SPOT FORECAST FOR PARADISE FIRE...USDA/FOREST SERVICE
NATIONAL WEATHER SERVICE PENDLETON OR
532 AM PDT SUN SEP 20 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON SEPTEMBER 20.
***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
MOSTLY LIGHT AND VARIABLE WINDS PERSIST WITH THE DIRECTION
SHIFTING FROM THE SOUTH TO NORTH AND VICE VERSA THROUGHOUT THE FORECAST
PERIOD. NO PRECIPITATION EXPECTED WITH A DRY PATTERN PREVAILING.
OTHERWISE, FAIR TO GOOD OVERNIGHT RECOVERIES WITH RELATIVE HUMIDITY
RANGING FROM 50 TO 60 PERCENT.
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....68-73.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH, SHIFTING TOWARDS THE
SOUTHWEST BY 12 PM, THEN SHIFTING TOWARDS THE
NORTHWEST BY 2 PM.
RIDGETOP WIND.......SOUTHEAST WINDS 7 TO 12 MPH, SHIFTING TOWARDS THE
SOUTHWEST BY 12 PM, THEN SHIFTING TOWARDS THE
NORTHWEST BY 2 PM.
MIXING HEIGHT.......4900 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH SHIFTING TO THE NORTHEAST
AROUND 6 MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...LOW (40-50) INCREASING TO LOW (170-190) IN THE
AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............51 50 54 58 64 66 68 69 68 68 68 67
RH..............60 62 56 52 46 43 42 42 42 41 41 43
20 FT WIND DIR..SE SE SE SE SE S SW SW NW NW NW N
20 FT WIND SPD..7 6 6 5 4 4 4 5 5 5 6 6
20 FT WIND GUST. 7 7 6 5 5 6 7 7 7 7
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH, SHIFTING TOWARDS THE
SOUTHEAST BY 10 PM.
RIDGETOP WIND.......NORTH WINDS 7 TO 12 MPH, SHIFTING TOWARDS THE
SOUTHEAST BY 10 PM.
MIXING HEIGHT.......500 FT AGL IN THE EVENING.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST 5 TO 10 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE SOUTH AROUND 8 MPH EARLY IN THE
MORNING.
VENTILATION INDEX...LOW (60) DECREASING TO LOW (30) OVERNIGHT.
MONDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE WEST
5 TO 10 MPH BY NOON.
RIDGETOP WIND.......SOUTHEAST WINDS 7 TO 12 MPH SHIFTING TO THE WEST
7 TO 12 MPH BY NOON.
MIXING HEIGHT.......5600 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE NORTHWEST
5 TO 10 MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...LOW (60-70) INCREASING TO MODERATE (340-350) IN
THE AFTERNOON.
FORECASTER...DAY
REQUESTED BY...DEREK DIETZ
TYPE OF REQUEST...WILDFIRE
.TAG 2622100.2/PDT
.DELDT 09/20/26
.FORMATTERVERSION 2.0.0
.EMAIL DEREK.DIETZ@USDA.GOV
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