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