024
FNUS76 KOTX 252126
FWSOTX
SPOT FORECAST FOR PEARL HILL...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
226 PM PDT SAT JUL 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 1500 PDT ON JULY 25.
..RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING
DISCUSSION
A DRY COLD FRONT MOVING THROUGH THE REGION WILL BRING LOW
HUMIDITIES AND STRONG SOUTHWESTERLY WINDS AT THE FIRE LOCATION
THROUGH THIS AFTERNOON AND EVENING. WINDS WILL RELAX BELOW 10 MPH
AROUND 2300 HOURS THIS EVENING. WINDS SUNDAY WILL REMAIN BREEZY
WITH SLIGHTLY HIGHER HUMIDITY VALUES.
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.....89.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 17 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 23 MPH.
VENTILATION INDEX...VERY HIGH (2187).
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........62 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH DECREASING TO 3 TO 6 MPH
BY 0200 HOURS.
MIXING HEIGHT.......FALLING TO NEAR SURFACE AROUND 2000 HOURS.
TRANSPORT WINDS.....WEST AROUND 19 MPH BECOMING SOUTHWEST AROUND 8
MPH OVERNIGHT.
VENTILATION INDEX...VERY HIGH (1071) DECREASING TO LOW (46)
OVERNIGHT.
SUNDAY
SKY/WEATHER.........SUNNY. HAZE IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....85.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........SOUTH WINDS 9 TO 16 MPH. GUSTS UP TO 21 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 15 MPH.
VENTILATION INDEX...MODERATE (428) INCREASING TO VERY HIGH (1317)
IN THE AFTERNOON.
FORECASTER...DB
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 2618225.0/OTX
.DELDT 07/25/26
.FORMATTERVERSION 2.0.0
.EMAIL WACWC@FIRENET.GOV
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