FNUS76 KOTX 160942
FWSOTX

Spot Forecast for Joe Blow Piles...USFS
National Weather Service Spokane WA
242 AM PDT Fri Oct 16 2026

Forecast is based on ignition time of 0600 PDT on October 16. 
.DISCUSSION...

Friday will be mild with passing high clouds. A mostly dry cold 
front is forecast to push in Saturday in the early afternoon, 
bringing breezy westerly stronger winds, better mixing and the 
start of a slow cooling trend. RHs will bottom out early Saturday 
and will rise with the front passage in the afternoon. 
 
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). 
***************************************************************

.TODAY...

Sky/weather.........Mostly sunny. Transparent high clouds. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....67. 
Min humidity........24-29 percent. 
Wind (20 ft)........Southeast winds 1-4 mph becoming southwest 
                    3-7 mph around 1200 hours. 
Mixing height.......2000 ft AGL. Inversion breaking around 1000 hours. 
Transport winds.....South 10 to 12 mph. 
Ventilation Index...Moderate (323). 

.TONIGHT...

Sky/weather.........Mostly cloudy.
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....47. 
Max humidity........85-95 percent. 
Wind (20 ft)........Light and variable winds 1-3 mph. 
Mixing height.......Falling to near surface around 1800 hours. 
Transport winds.....South 9 to 13 mph. 
Ventilation Index...Low (60). 

.SATURDAY...

Sky/weather.........Partly cloudy becoming mostly cloudy. Slight chance 
                    of sprinkles in the afternoon. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....59 around 1200 hours. 
Min humidity........27-32 percent around 1200 hours increasing to 50-60 
                    percent around 1600 hours. 
Wind (20 ft)........Light winds becoming west 6-12 mph around 1100. 
                    Gusts to around 20 mph in the afternoon. 
Mixing height.......2500 ft AGL.  
Transport winds.....Southwest 15 to 24 mph. 
Ventilation Index...High (720) increasing to very high (1359) in 
                    the afternoon. 

$$
Forecaster...DB
Requested by...Megan Primmer
Type of request...PRESCRIBED
.TAG 2623812.1/OTX
.DELDT 10/16/26
.FormatterVersion 2.0.0
.EMAIL megan.primmer@usda.gov