662  
FNUS76 KOTX 232255  
FWSOTX  
 
SPOT FORECAST FOR RED MARBLE...DNR  
NATIONAL WEATHER SERVICE SPOKANE WA  
355 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.5 PERCENT.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 7 TO 11 MPH WITH GUSTS  
TO AROUND 18 MPH. WINDS TURN WEST-NORTHWEST  
LATE IN THE EVENING INTO THE OVERNIGHT.  
MIXING HEIGHT.......8500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 14 MPH.  
VENTILATION INDEX...VERY HIGH (1083).  
 
 
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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