012  
FNUS76 KOTX 240352  
FWSOTX  
 
SPOT FORECAST FOR SKOOKUM...USFS  
NATIONAL WEATHER SERVICE SPOKANE WA  
852 PM PDT SUN AUG 23 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2100 PDT ON AUGUST 23.    
DISCUSSION
 
 
WINDS THROUGH TUESDAY WILL BE LIGHT AND TERRAIN DRIVEN. RH  
RECOVERIES TONIGHT WILL BE GOOD. A WARMING AND DRYING TREND  
COMMENCES MONDAY AND TUESDAY AS HIGH PRESSURE STRENGTHENS ACROSS  
THE INLAND NORTHWEST. RH RECOVERY MONDAY NIGHT WILL BE POOR TO  
FAIR. WINDS WEDNESDAY AND THURSDAY WILL BE BREEZY OUT OF THE  
SOUTHWEST AROUND 10-15 MPH WITH GUSTS AROUND 15-20 MPH AS HIGH  
PRESSURE BREAKS DOWN. THIS WILL COME WITH A THREAT OF ISOLATED  
THUNDERSTORMS WEDNESDAY (10% CHANCE).  
 
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).  
***************************************************************  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 78-83.  
MIN HUMIDITY........25-30 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......NEAR SURFACE THROUGH 0900 INCREASING TO 6500 FT  
AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
VENTILATION INDEX...MODERATE (250).  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. HAZE IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 55-60.  
MAX HUMIDITY........55-60 PERCENT.  
WIND (20 FT)........NORTHEAST 4 TO 8 MPH.  
MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE AROUND 1900.  
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH.  
VENTILATION INDEX...LOW (196).  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 85-90.  
MIN HUMIDITY........15-20 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 4 TO 8 MPH.  
MIXING HEIGHT.......NEAR SURFACE THROUGH 0900 INCREASING TO 12500 FT  
AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST AROUND 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AROUND 5 TO 10 MPH IN THE AFTERNOON.  
VENTILATION INDEX...MODERATE (205) INCREASING TO VERY HIGH (879) IN  
THE AFTERNOON.  
 

 
FORECASTER...JCLEV  
REQUESTED BY...BRAGA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620353.0/OTX  
.DELDT 08/23/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ALEX.KELLER0917@GMAIL.COM,IDCDC@FIRENET.GOV  
 
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