619
FNUS76 KPDT 122214
FWSPDT
SPOT FORECAST FOR MUD SPRINGS...CWICC/USFS
NATIONAL WEATHER SERVICE PENDLETON OR
314 PM PDT FRI SEP 12 2025
FORECAST IS BASED ON FORECAST START TIME OF 1500 PDT ON SEPTEMBER 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
WARM, DRY CONDITIONS WILL CONTINUE THROUGH SATURDAY.
MODERATE OVERNIGHT RH RECOVERY IS FORECAST TONIGHT, FOLLOWED BY
LOW AFTERNOON RH SATURDAY. WINDS WILL BE MOSTLY DIURNALLY AND
TERRAIN-DRIVEN THIS AFTERNOON THROUGH TONIGHT, BECOMING MORE
SOUTHERLY SATURDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....80-83.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........UPSLOPE WINDS 3-6 MPH.
RIDGETOP WIND.......NORTH TO NORTHEAST WINDS 4-7 MPH WITH
GUSTS UP TO 12 MPH.
MIXING HEIGHT.......5000-5500 FT AGL.
TRANSPORT WINDS.....WEST 4-6 MPH.
VENTILATION INDEX...POOR (170).
TIME (PDT) 3 PM 5 PM 7 PM 9 PM 11 PM 1 AM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............79 78 72 65 63 61
RH..............34 35 43 50 52 54
20 FT WIND......N 6 NW 5 NW 5 W 4 W 4 W 4
20 FT WIND GUST.8 8 8 7 6 6
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....58-61.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3-7 MPH, STRONGEST IN THE
EVENING.
RIDGETOP WIND.......NORTHWEST WINDS 3-7 MPH, STRONGEST IN THE
EVENING.
MIXING HEIGHT.......DECREASING TO NEAR SURFACE OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 6-10 MPH.
VENTILATION INDEX...POOR (130) DECREASING TO POOR (50) OVERNIGHT.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (15-50 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....80-83.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH TO SOUTHEAST 4-7 MPH
BY MID-MORNING. GUSTS UP TO 12 MPH IN THE AFTERNOON.
RIDGETOP WIND.......LIGHT WINDS BECOMING SOUTH TO SOUTHEAST 4-8 MPH
BY MID-MORNING. GUSTS UP TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 6000-6500 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....BECOMING SOUTH TO SOUTHWEST 5-8 MPH BY MID-MORNING.
VENTILATION INDEX...POOR (40) INCREASING TO FAIR (350) IN THE
AFTERNOON.
FORECASTER...PLUNKETT
REQUESTED BY...CRAWFORD CUNNINGHAM
TYPE OF REQUEST...WILDFIRE
.TAG 2521886.0/PDT
.DELDT 09/12/25
.FORMATTERVERSION 2.0.0
.EMAIL WACWC@FIRENET.GOV
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