157
FNUS76 KPDT 032145
FWSPDT
SPOT FORECAST FOR CROOKED RIVER GRASSLANDS...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
145 PM PST TUE FEB 3 2026
FORECAST IS BASED ON IGNITION TIME OF 0000 PST ON FEBRUARY 04.
***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
WINDS OVERNIGHT WILL BE LIGHT BUT APPEAR TO START PICKING UP OUT OF THE
SOUTH WEDNESDAY UP TO 12 MPH, BUT TURN QUICKLY LIGHT AND VARIABLE
IN THE VALLEY BY EARLY AFTERNOON.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....36-39.
MAX HUMIDITY........64-69 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH.
RIDGETOP WIND.......
MIXING HEIGHT.......600 FT AGL FALLING TO THE SURFACE BY 6 PM.
TRANSPORT WINDS.....SOUTHEAST AROUND 9 MPH.
VENTILATION INDEX...POOR (30-40).
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....60-63.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTHEAST WINDS UP TO 12 MPH.
MIXING HEIGHT.......2000 FT AGL IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 11 MPH.
VENTILATION INDEX...POOR (40-160) DECREASING TO POOR (30-160) IN
THE AFTERNOON.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....31-34.
MAX HUMIDITY........74-79 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH.
RIDGETOP WIND.......SOUTHEAST AROUND 6 MPH.
MIXING HEIGHT.......600 FT AGL EARLY IN THE EVENING.
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH.
VENTILATION INDEX...POOR (30).
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....53-56.
MIN HUMIDITY........42-47 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
NORTHEAST 5 TO 6 MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTHEAST AROUND 5-7 MPH.
MIXING HEIGHT.......1400 FT AGL IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...POOR (30-50).
FORECASTER...RUSSELL
REQUESTED BY...ZACH SPEARS
TYPE OF REQUEST...PRESCRIBED
.TAG 2601605.0/PDT
.DELDT 02/03/26
.FORMATTERVERSION 2.0.0
.EMAIL ZACHARY.SPEARS@USDA.GOV
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