FNUS76 KOTX 051317 FWSOTX Spot Forecast for Keller Ridge Block 804...WA-CAC National Weather Service Spokane WA 617 AM PDT Tue May 5 2026 Forecast is based on ignition time of 0800 PDT on May 05. 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). *************************************************************** .DISCUSSION... Warm and dry conditions will continue for the burn area into Wednesday. Winds will be primarily out of the southeast for Tuesday, shifting to out of the southwest for Wednesday afternoon. .TODAY... Sky/weather.........Sunny. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 72. Min humidity........21-25 percent. Wind (20 ft)........Southeast 3 to 7 mph. Mixing height.......Increasing to 6500 ft AGL in the afternoon. Transport winds.....Northeast around 10 mph. .TONIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. Chance of lightning.5 percent. Min temperature.....Around 52. Max humidity........43-48 percent. Wind (20 ft)........Downslope/downvalley 1 to 3 mph. Mixing height.......Lowering to near surface by 2000. Transport winds.....Downslope/downvalley less than 5 mph. .WEDNESDAY... Sky/weather.........Sunny. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 77. Min humidity........21-25 percent. Wind (20 ft)........Southeast 3 to 6 mph in the morning then southwest 5 to 10 mph. Mixing height.......Near surface through 0800 increasing to 7000 ft AGL in the afternoon. Transport winds.....South around 10 mph shifting to the southwest around 15 mph in the afternoon. $$ Forecaster...JW Requested by...Brandon Sutton Type of request...PRESCRIBED .TAG 2612460.4/OTX .DELDT 05/05/26 .FormatterVersion 2.0.0 .EMAIL twila.leith-monaghan.mtf@colvilletribes.com