959
FNUS76 KPDT 030028
FWSPDT
SPOT FORECAST FOR HIGHWAY 240 TUMBLEWEED RX...USFWS
NATIONAL WEATHER SERVICE PENDLETON OR
428 PM PST MON FEB 2 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON FEBRUARY 03.
***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 THE
TRANSPORT WIND MULTIPLIED BY THE MIXING
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES
ARE A GENERALIZED INDICATOR ONLY.***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
NO PRECIPITATION ANTICIPATED OVER THE FORECAST PERIOD,
WITH LIGHT WINDS IN A MORE NORTHERN DOMINANT DIRECTION. VENTILATION
WILL REMAIN POOR WITH MIXING HEIGHTS EXPECTED TO STAY LESS THAN
2000 FEET. RELATIVE HUMIDITIES, HOWEVER, REMAIN HIGH WITH
MINIMUMS IN THE 60 AND 70 PERCENT RANGE, WITH 'EXCELLENT'
RECOVERIES OVERNIGHT. AREAS OF PATCHY FOG IS EXPECTED TO DEVELOP
EARLY WEDNESDAY MORNING, BUT IS FORECASTED TO LIFT BY THE
AFTERNOON HOURS.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....47-52.
MIN HUMIDITY........67-72 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH.
RIDGETOP WIND.......
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.
VENTILATION INDEX...POOR (90).
TIME (PST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............35 36 41 45 48 49
RH..............94 92 86 78 72 69
20 FT WIND......NW 7 NW 7 NW 7 NW 7 NW 7 NW 7
20 FT WIND GUST. 8 8 10 8
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). PATCHY FOG
OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........90-95 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3 TO 8 MPH.
RIDGETOP WIND.......
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
VENTILATION INDEX...POOR (50).
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). PATCHY FOG EARLY
IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........70-75 PERCENT.
WIND (20 FT)........NORTH WINDS AT 2 TO 7 MPH.
RIDGETOP WIND.......
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....NORTH WINDS AT 4 TO 9 MPH.
VENTILATION INDEX...POOR (40).
FORECASTER...DAY
REQUESTED BY...THOMAS BOGGS
TYPE OF REQUEST...PRESCRIBED
.TAG 2601506.1/PDT
.DELDT 02/02/26
.FORMATTERVERSION 2.0.0
.EMAIL THOMAS_BOGGS@FWS.GOV
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