514
FNUS76 KOTX 071647
FWSOTX
SPOT FORECAST FOR WILMONT HFR...WA-CAC
NATIONAL WEATHER SERVICE SPOKANE WA
947 AM PDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MAY 07.
DISCUSSION
DRY CONDITIONS WILL OCCUR TODAY WITH AFTERNOON RELATIVE HUMIDITY
FALLING INTO THE UPPER TEENS TO LOW 20S. WINDS WILL BE DIURNALLY
AND TERRAIN DRIVEN TODAY AND TONIGHT, THEN WILL GRADUALLY INCREASE
FRIDAY AFTERNOON AND EVENING AS ANOTHER WEAK WEATHER SYSTEM
PASSES THROUGH WITH WEST WINDS GUSTING UP TO 25 MPH.
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).
***************************************************************
TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....76.
MIN HUMIDITY........17-21 PERCENT.
WIND (20 FT)........VARIABLE WINDS 1 TO 4 MPH IN THE MORNING
BECOMING SOUTHWEST 7 TO 10 MPH AFTER 1300.
MIXING HEIGHT.......INCREASING TO 7500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 7 TO 10 MPH SHIFTING TO THE WEST WITH
SIMILAR SPEEDS AFTER 1300.
VENTILATION INDEX...MODERATE (208) INCREASING TO HIGH (782) IN THE
AFTERNOON.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....54.
MAX HUMIDITY........49-53 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING VARIABLE 2 TO 5 MPH AFTER 2200.
MIXING HEIGHT.......FALLING TO 500 FT AGL NEAR 2100.
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH.
VENTILATION INDEX...HIGH (701) DECREASING TO LOW (28) OVERNIGHT.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....74.
MIN HUMIDITY........19-23 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON AND EVENING.
MIXING HEIGHT.......INCREASING TO 6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH.
VENTILATION INDEX...MODERATE (296) INCREASING TO VERY HIGH (911) IN
THE AFTERNOON.
FORECASTER...RFKS
REQUESTED BY...DENNIS RANALLA
TYPE OF REQUEST...PRESCRIBED
.TAG 2612673.3/OTX
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL TWILA.LEITH-MONAGHAN.MTF@COLVILLETRIBES.COM
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