469
FNUS76 KOTX 232314
FWSOTX
SPOT FORECAST FOR RED MARBLE...DNR
NATIONAL WEATHER SERVICE SPOKANE WA
414 PM PDT SAT MAY 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 1600 PDT ON MAY 23.
DISCUSSION
A FEW CLOUDS THIS AFTERNOON DECREASE LATER TONIGHT INTO
EARLY SUNDAY, BEFORE INCREASING AGAIN. WINDS WILL REMAIN BREEZY
THROUGH TONIGHT, WITH SOUTHWEST WINDS TURNING MORE WEST TO
NORTHWEST LATER THIS EVENING INTO THE NIGHT, DECREASING TOWARD
MORNING. WINDS INCREASE AGAIN SUNDAY AFTERNOON. MUCH STRONGER
WINDS ARE FORECAST TO DEVELOP THROUGH MONDAY, WITH A CHANCE FOR
SHOWERS AND THUNDERSTORMS.
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.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........23-27 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 7 TO 11 MPH WITH GUSTS
TO AROUND 21 MPH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 14 MPH.
VENTILATION INDEX...VERY HIGH (1083).
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........50 PERCENT.
WIND (20 FT)........WEST-NORTHWEST WINDS 5 TO 9 MPH. GUSTS UP
TO 22 MPH IN THE EVENING,..DECREASING
TO GUSTS UP TO 16 MPH OVERNIGHT.
MIXING HEIGHT.......7500 FT AGL FALLING TO 500 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 11 MPH.
VENTILATION INDEX...VERY HIGH (873) DECREASING TO LOW (33)
OVERNIGHT.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY...THEN INCREASING CLOUDS LATE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....67 TO 72.
MIN HUMIDITY........28-32 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH IN THE MORNING...
INCREASING TO 11 TO 15 MPH WITH GUSTS TO
AROUND 27 MPH IN THE AFTERNOON
MIXING HEIGHT.......6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 9 TO 17 MPH.
VENTILATION INDEX...HIGH (631) INCREASING TO VERY HIGH (946) IN THE
AFTERNOON.
FORECASTER...MSC
REQUESTED BY...MAKENZIE WHEELER
TYPE OF REQUEST...WILDFIRE
.TAG 2614358.0/OTX
.DELDT 05/23/26
.FORMATTERVERSION 2.0.0
.EMAIL WANEC@FIRENET.GOV
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