FNUS76 KOTX 061659 FWSOTX Spot Forecast for Etueville Rx...Spokane Tribe National Weather Service Spokane WA 959 AM PDT Wed May 6 2026 Forecast is based on ignition time of 1200 PDT on May 06. .DISCUSSION... Weak cold front passage between 1600 and 1800 late this afternoon. Winds will see a gradual increase from the south and southwest in the afternoon and then shift northwest with cold front. Showers and thunderstorms will develop northeast of the burn project after 1500 PDT. Keep and eye out for outflow winds that could bring a north to northeast wind shift. 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 with thin high clouds. Building cumulus clouds with showers and thunderstorms northeast of the project burn after 1500 PDT. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....84. Min humidity........20-24 percent. Wind (20 ft)........South-Southeast winds west winds 4 to 8 mph in the morning to early afternoon becoming southwest 7 to 10 mph with gusts up to 18 mph after 1400 PDT. Mixing height.......6500 ft AGL by 1400 PDT. Transport winds.....Southwest around 10-14 mph. Ventilation Index...Very high (923). .TONIGHT... Sky/weather.........Partly cloudy in the evening with showers and thunderstorms northeast of the burn through 1900 PDT then clearing. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....50. Max humidity........55-59 percent. Wind (20 ft)........West winds 8 to 11 mph with gusts to around 20 mph in the evening becoming south- southeast 2 to 4 mph after 2300 PDT. Mixing height.......4500 ft AGL falling to near surface after 2100 PDT. Transport winds.....West 9 to 13 mph in the evening becoming light after 2200 PDT. Ventilation Index...High (692) falling to low (10) overnight. .THURSDAY... Sky/weather.........Sunny. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....82. Min humidity........18-21 percent. Wind (20 ft)........South winds 5 to 8 mph. Mixing height.......Increasing to 6500 ft AGL by 1400 PDT. Transport winds.....South-Southeast winds 2 to 4 mph in the morning becoming west around 7 mph in the afternoon. Ventilation Index...High (678). $$ Forecaster...SVH Requested by...FMO Type of request...PRESCRIBED .TAG 2612932.0/OTX .DELDT 05/06/26 .FormatterVersion 2.0.0 .EMAIL ritzerkl@spokanetribe.com,marlar@spokanetribe.com