674
FNUS76 KPDT 121548
FWSPDT
SPOT FORECAST FOR ROWENA...COLUMBIA CASCADE
NATIONAL WEATHER SERVICE PENDLETON OR
848 AM PDT THU JUN 12 2025
FORECAST IS BASED ON FORECAST START TIME OF 0900 PDT ON JUNE 12.
***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
WEST WINDS WILL PERSIST THROUGH THE EASTERN COLUMBIA
GORGE THROUGH THE NEXT TWO DAYS, STRONGEST DURING THE AFTERNOON
AND EVENING HOURS. DESPITE COOLER TEMPERATURES, MINIMUM RELATIVE
HUMIDITY WILL REMAIN LOW.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....80-83.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........WEST WINDS 10-20 MPH WITH GUSTS OF 20-30
MPH, STRONGEST AFTERNOON.
RIDGETOP WIND.......WEST WINDS 15-25 MPH WITH GUSTS OF 25-35
MPH, STRONGEST AFTERNOON.
MIXING HEIGHT.......INCREASING TO 3800-4300 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....WEST 20-25 MPH.
VENTILATION INDEX...FAIR (210) INCREASING TO EXCELLENT (720) IN THE
AFTERNOON.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 66 70 72 76 77 79 79 79 80 77 75
RH..............48 47 41 38 35 34 32 32 33 33 37 41
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..12 12 15 15 15 20 20 20 20 20 20 15
20 FT WIND GUST.20 20 25 25 25 25 30 30 30 30 30 25
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....53-56.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........WEST WINDS 15-20 MPH WITH GUSTS OF 20-30 MPH
IN THE EVENING, DECREASING TO 8-12 MPH WITH
GUSTS OF 12-17 MPH OVERNIGHT.
RIDGETOP WIND.......WEST WINDS 20-25 MPH WITH GUSTS OF 25-35 MPH
IN THE EVENING, DECREASING TO 10-15 MPH WITH
GUSTS OF 15-20 MPH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 800-1200 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 15-25 MPH, STRONGEST IN THE EVENING.
VENTILATION INDEX...GOOD (580) DECREASING TO POOR (120) OVERNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....76-79.
MIN HUMIDITY........34-39 PERCENT.
WIND (20 FT)........WEST WINDS 8-12 MPH WITH GUSTS OF 12-17 MPH
IN THE MORNING, INCREASING TO 15-20 MPH WITH
GUSTS OF 25-30 MPH IN THE AFTERNOON.
RIDGETOP WIND.......WEST WINDS 10-15 MPH WITH GUSTS OF 15-25 MPH
IN THE MORNING, INCREASING TO 20-25 MPH WITH
GUSTS OF 25-35 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 3800-4300 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....WEST 15-25 MPH, STRONGEST IN THE AFTERNOON.
VENTILATION INDEX...FAIR (240) INCREASING TO GOOD (670) IN THE
AFTERNOON.
FORECASTER...PLUNKETT
REQUESTED BY...BRAYDEN SAAVEDRA
TYPE OF REQUEST...WILDFIRE
.TAG 2515850.0/PDT
.DELDT 06/12/25
.FORMATTERVERSION 2.0.0
.EMAIL WACCC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page