052
FNUS76 KPDT 131724
FWSPDT
SPOT FORECAST FOR MILL CREEK...OR-MAF
NATIONAL WEATHER SERVICE PENDLETON OR
1024 AM PDT SAT SEP 13 2025
FORECAST IS BASED ON FORECAST START TIME OF 1100 MDT ON SEPTEMBER 13.
***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
MOSTLY SUNNY WITH SOUTHWEST WINDS TODAY. TONIGHT,
SOUTHEAST WINDS WILL TRANSITION SHARPLY TO THE NORTHWEST BY 4-6
AM WITH A COLD FRONTAL PASSAGE. FRONTAL PASSAGE WILL ALSO BRING
LIKELY RAIN SHOWERS (50-65% CHANCE) AND A LOW (10-15%) CHANCE OF
THUNDER. COOLER TEMPERATURES, HIGHER RELATIVE HUMIDITY, LIKELY
SHOWERS (65% CHANCE), AND A SLIGHT CHANCE OF THUNDER (15-20%)
ARE FORECAST SUNDAY DURING THE DAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (5-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MAX TEMPERATURE.....68-71.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........SOUTHWEST 4-8 MPH.
RIDGETOP WIND.......SOUTHWEST 5-10 MPH.
MIXING HEIGHT.......INCREASING TO 6000-6500 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....WEST-SOUTHWEST 5-8 MPH.
VENTILATION INDEX...FAIR (330) IN THE AFTERNOON.
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............63 65 66 67 68 69 67 67 65 59 58 56
RH..............44 39 35 32 30 30 30 34 39 46 50 51
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW S S S
20 FT WIND SPD..7 7 7 7 7 7 6 6 6 5 5 5
20 FT WIND GUST.10 10 10 11 11 11 10 10 10 6 6 6
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-80 PERCENT). RAIN SHOWERS
LIKELY EARLY IN THE MORNING.
CWR.................0 PERCENT INCREASING TO 50 PERCENT EARLY IN THE
MORNING.
CHANCE OF LIGHTNING.13 PERCENT.
MIN TEMPERATURE.....48-51.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-8 MPH IN THE EVENING, SHIFTING
TO THE SOUTH TO SOUTHEAST LATE EVENING, THEN
BECOMING EAST-SOUTHEAST 3-5 MPH OVERNIGHT. WINDS
SHIFTING SHARPLY TO THE NORTHWEST 8-12 MPH WITH
GUSTS OF 10-20 MPH BY 4-6 AM.
RIDGETOP WIND.......SOUTHWEST WINDS 5-8 MPH IN THE EVENING, SHIFTING
TO THE SOUTH TO SOUTHEAST LATE EVENING, THEN
BECOMING EAST-SOUTHEAST 3-5 MPH OVERNIGHT. WINDS
SHIFTING SHARPLY TO THE NORTHWEST 10-14 MPH WITH
GUSTS OF 15-25 MPH BY 4-6 AM.
MIXING HEIGHT.......DECREASING TO NEAR SURFACE OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 5-8 MPH IN THE EVENING, SHIFTING TO THE
SOUTHEAST 5-9 MPH OVERNIGHT, THEN SHIFTING TO THE
NORTHWEST 8-12 MPH BY 4-6 AM.
VENTILATION INDEX...POOR (80) DECREASING TO POOR (30) OVERNIGHT.
FORECASTER...PLUNKETT
REQUESTED BY...KENDALL THEALL
TYPE OF REQUEST...WILDFIRE
.TAG 2521916.0/PDT
.DELDT 09/13/25
.FORMATTERVERSION 2.0.0
.EMAIL ORBIC@FIRENET.GOV
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