FNUS76 KOTX 191755
FWSOTX

Spot Forecast for McGuire Place Rx...Spokane Tribe
National Weather Service Spokane WA
1055 AM PDT Tue May 19 2026

Forecast is based on ignition time of 1300 PDT on May 19. 
.DISCUSSION...

Dry, stable conditions expected over the burn area with no 
precip. Winds will be out of the west through today. Winds shift 
overnight to out of the North and remain 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). 
***************************************************************

.TODAY...

Sky/weather.........Mostly sunny. 
CWR.................0 percent. 
Chance of lightning.5 percent. 
Max temperature.....Around 70. 
Min humidity........26-31 percent. 
Wind (20 ft)........West winds around 6 to 10 mph with gusts around
                    18 mph. 
Mixing height.......8500 ft AGL. 
Transport winds.....West around 15-20 mph. 
Ventilation Index...Very high (951). 

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....Around 46. 
Max humidity........67-72 percent. 
Wind (20 ft)........West winds 4 to 8 mph in the evening becoming 
                    light. 
Mixing height.......7500 ft AGL falling to 500 ft AGL. 
Transport winds.....West around 10 mph shifting to the north around 
                    6 mph overnight. 
Ventilation Index...High (728) decreasing to low (23) overnight. 

.WEDNESDAY...

Sky/weather.........Mostly sunny. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....Around 74. 
Min humidity........20-25 percent. 
Wind (20 ft)........North winds 4 to 8 mph in the morning becoming
                    6 to 10 with gusts around 18 mph the afternoon. 
Mixing height.......3000 ft AGL in the morning increasing to 10000 
                    ft AGL in the afternoon. 
Transport winds.....North 15 to 20 mph. 
Ventilation Index...Moderate (481) increasing to very high (1194) 
                    in the afternoon. 

$$
Forecaster...JCLEV
Requested by...FMO
Type of request...PRESCRIBED
.TAG 2614031.0/OTX
.DELDT 05/19/26
.FormatterVersion 2.0.0
.EMAIL marlar@spokanetribe.com,RITZERKL@GMAIL.COM