331
FNUS76 KOTX 231830
FWSOTX
SPOT FORECAST FOR KELLER RIDGE BLOCK 804...WA-CAC
NATIONAL WEATHER SERVICE SPOKANE WA
1130 AM PDT FRI OCT 23 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 23.
..WIND ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON
DISCUSSION
BREEZY NORTH WINDS WILL RELAX THIS EVENING AND OVERNIGHT. THE DRY
POST COLD FRONT AIRMASS WILL SLOWLY MOISTEN SATURDAY WITH PASSING
TRANSPARENT MID AND HIGH CLOUD COVER. WINDS SATURDAY AND SUNDAY
WILL BE MUCH LIGHTER. SHOWER CHANCES RETURN MONDAY AND TUESDAY BUT
CHANCES ARE LOW (30%).
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.
CATEGORIES: LOW (< 200), MODERATE (200-500),
HIGH (500-800), AND VERY HIGH (> 800).
***************************************************************
REST OF TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....52.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........NORTH WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 23
MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....NORTH 19 TO 22 MPH.
VENTILATION INDEX...HIGH (659).
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....32.
MAX HUMIDITY........60-70 PERCENT.
WIND (20 FT)........NORTH WINDS 3 TO 7 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 11 MPH.
VENTILATION INDEX...LOW (100).
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY. PASSING TRANSPARENT MID AND
HIGH CLOUDS THROUGH THE DAY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....48.
MIN HUMIDITY........40-45 PERCENT.
WIND (20 FT)........SOUTHEAST 3-6 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH SHIFTING TO THE SOUTH
AROUND 7 MPH IN THE AFTERNOON.
VENTILATION INDEX...LOW (198).
FORECAST DAYS 3 THROUGH 5
SUNDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.
NORTHEAST WINDS 3 TO 6 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE
UPPER 30S. HIGHS IN THE LOWER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN
THE UPPER 40S. LIGHT WINDS.
FORECASTER...DB
REQUESTED BY...DENNIS RANALLA
TYPE OF REQUEST...PRESCRIBED
.TAG 2624439.0/OTX
.DELDT 10/23/26
.FORMATTERVERSION 2.0.0
.EMAIL TWILA.LEITH-MONAGHAN.MTF@COLVILLETRIBES.COM
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