188
FNUS76 KOTX 120332
FWSOTX

Spot Forecast for Pow Wah Kee Creek...Pullman Fire
National Weather Service Spokane WA
832 PM PDT Tue Aug 11 2026

Forecast is based on forecast start time of 2100 PDT on August 11.
.DISCUSSION...

Dry, warm conditions expected through the period with winds
calming overnight. Poor to fair recovery are forecast for tonight.
Increasing moisture will lead to cooler temperatures and higher
min humidity on Wednesday. No precip expected through Wednesday.

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).
***************************************************************

.TONIGHT...

Sky/weather.........Mostly clear. Haze in the evening. Haze early
                    in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 61.
Max humidity........50-55 percent. Poor to fair recovery.
Wind (20 ft)........West winds 8 to 14 mph becoming 3 to 6 mph after
                    0200.
Mixing height.......5500 ft AGL decreasing to 500 ft AGL.
Transport winds.....West 5 to 13 mph.
Ventilation Index...Low (28) overnight.

.WEDNESDAY...

Sky/weather.........Sunny. Haze and patchy smoke in the morning,
                    then areas of smoke in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....88-93.
Min humidity........23-28 percent.
Wind (20 ft)........South winds 2 to 5 mph becoming northwest 8 to 12
                    mph with gusts near 18 mph after 1100.
Mixing height.......Inversion breaks around 0800. 2500 ft AGL at 0900
                    increasing to 7500 ft AGL around 1200.
Transport winds.....Light winds becoming northwest-west around 14 to
                    18 mph after 1000.
Ventilation Index...Low (163) increasing to high (696) in the
                    afternoon.

$$
Forecaster...JCLEV
Requested by...Ryan Scharnhorst
Type of request...WILDFIRE
.TAG 2619469.1/OTX
.DELDT 08/11/26
.FormatterVersion 2.0.0
.EMAIL NBacon@co.asotin.wa.us,ryan.scharnhorst@pullman-wa.gov