305
FNUS76 KPDT 032111
FWSPDT
SPOT FORECAST FOR ROBINSON RX 2...KITTITAS COUNTY FIRE DISTRICT 1
NATIONAL WEATHER SERVICE PENDLETON OR
211 PM PDT SAT OCT 3 2026
FORECAST IS BASED ON IGNITION TIME OF 1500 PDT ON OCTOBER 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 TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.
CATEGORIES ARE A GENERALIZED INDICATOR ONLY:
LOW (< 200), MODERATE (200-500), HIGH (500-700),
AND VERY HIGH (> 700). ***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
HIGH PRESSURE OVERHEAD WILL BRING A WARMING AND
DRYING TREND TO THE FIRE AREA. SOUTHEAST WINDS WILL PREVAIL IN
THE AFTERNOONS, TURNING WESTERLY IN THE EVENING BEFORE BECOMING
LIGHT OVERNIGHT. AFTERNOON RHS WILL BE IN THE MID 30S TODAY,
THEN DROP INTO THE UPPER 20S TOMORROW. OVERNIGHT RECOVERY WILL
BE GOOD. LOW LEVEL INVERSION WILL DEVELOP AROUND 6PM, THEN LIFT
AROUND 10AM TOMORROW. HOWEVER, PERSISTENT INVERSION ALOFT WILL
LIMIT MIXING HEIGHTS TO BELOW 3KFT AGL TOMORROW AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH.
RIDGETOP WIND.......SOUTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 9 MPH.
VENTILATION INDEX...MODERATE (260).
TIME (PDT) 3 PM 5 PM 7 PM 9 PM 11 PM 1 AM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............69 69 65 60 59 57
RH..............39 38 46 51 53 58
20 FT WIND......SE 7 SE 5 SW 5 SW 6 W 5 W 5
20 FT WIND GUST.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....51-54.
MAX HUMIDITY........62-67 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH SHIFTING TO THE
SOUTHWEST AROUND 7PM, THEN SHIFTING TO THE
WEST AROUND 10PM, THEN BECOMING LIGHT
DOWNSLOPE WINDS AROUND 1AM.
RIDGETOP WIND.......SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST AROUND 7PM, THEN SHIFTING TO THE
WEST AROUND 10PM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTHWEST 5 TO 6
MPH LATE IN THE EVENING.
VENTILATION INDEX...LOW (40) DECREASING TO LOW (30) OVERNIGHT.
SUNDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT) THEN BECOMING PARTLY
SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 4 TO 7 MPH
AROUND 12PM.
RIDGETOP WIND.......WEST WINDS 4 TO 7 MPH BECOMING LIGHT
AROUND 8AM, THEN BECOMING SOUTHEAST
4 TO 7 MPH AROUND 12PM.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTH 5 TO 6 MPH
LATE IN THE MORNING BECOMING LIGHT.
VENTILATION INDEX...LOW (30) INCREASING TO LOW (110) IN THE
AFTERNOON.
FORECASTER...LAWHORN
REQUESTED BY...BRANDON SCHMIDT
TYPE OF REQUEST...PRESCRIBED
.TAG 2622987.1/PDT
.DELDT 10/03/26
.FORMATTERVERSION 2.0.0
.EMAIL BSCHMIDT@KCFD1.ORG
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